Руководство по калибровке приборов

Menu

ENGLISH

INDEX

C.5

PACKAGE CONTENTS/PRE-INSPECTION

A

DECLARATION OF CONFORMITY

FOREWORD

To open the packaging, use a pair of scissors or a cutter, being careful

B

GENERAL WARNINGS

C

SAFETY INSTRUCTIONS

not to damage the dispensing system or its components.

C.1

SAFETY WARNINGS

NOTE

In the event that one or more of the components de-

C.2

FIRST AID RULES

scribed below are missing from inside the package,

C.3

GENERAL SAFETY RULES

C.4

PACKAGING

please contact Piusi inc technical support.

C.5

PACKAGE CONTENTS/PRE-INSPECTION

WARNING

Check that the data on the plate correspond to the

D

BECOMING ACQUAINTED WITH K24

D.1

COMPATIBLE LIQUIDS

desired speci cations. In the event of any anomaly,

D.2

DISPLAY LCD

contact the supplier immediately, indicating the nature

D.3

DISPLAY POSITIONING (METER VERSION ONLY)

of the defects. Do not use equipment which you suspect

D2

USERS BUTTONS

E

OPERATING MODES

might not be safe.

F

INSTALLATION

G

DAILY USE

G.1

DISPENSING IN NORMAL MODE

D

BECOMING ACQUAINTED WITH K24

G.1.1

PARTIAL RESET (NORMAL MODE)

G.1.2

RESETTING THE RESET TOTAL

G.2

DISPENSING WITH FLOW RATE MODE DISPLAY

FOREWORD

Electronic digital meter featuring a turbine measurement system, de-

G.2.1

PARTIAL RESET (FLOW RATE MODE)

signed for precise measuring of low viscosity uids.

H

CALIBRATION

K24 is available in 2 versions:

H1

DEFINITIONS

H2

CALIBRATION MODE

1

METER – with LCD display and calibration buttons

H.2.1

DISPLAY OF CURRENT CALIBRATION FACTOR AND

2

PULSER – single-channel impulse, cannectable with a remote display.

RESTORING FACTORY FACTOR.

H.2.2

IN FIELD CALIBRATION

Two big groups are suitable for its use:

H.2.2.1

IN-FIELD CALIBRATION PROCEDURE

With body made of inconductive plastic material of light colour,

A

H.2.3

DIRECT MODIFICATION OF K FACTOR

divided into high ow rate versions and low ow rate versions, with

I

METER CONFIGURATION

L

MAINTENANCE

stainless steel F/F bushing

M

MALFUNCTIONS

B

With body made of conductive plastic material of dark colour with

N

DISPOSAL

galvanized steel bushing

O

DATI TECNICI / TECHNICAL DATA

ow rate values

P

EXPLODED VIEWS AND OVERALL DIMENSIONS

D.1

COMPATILE LIQUIDS

A

DECLARATION OF CONFORMITY

The turbine is placed inside a hole through the body of k24, tted

Turbine

The undersigned:

with M-M threaded inlet and outlet. The supplied F-F bushing enables

measurement

PIUSI S.p.AVia Pacinotti 16/A z.i.Rangavino

several combinations of threads. K24 HAS 2 RUBBER PROTECTIONS,

system

46029 Suzzara — Mantova — Italy

DESIGNED TO ACT AS GASKETS TOO.

The liquids compatible with k24 are at low viscosity, namely:

HEREBY STATES

body made of incon-

Water

under its own responsibility, that the equipment described below:

ductive plastic material

Descriprion: METER

Aus 32 (D.E.F., Ad-Blue)

of light colour

Model: K24

Milk not suitable for human consumption

6HULDO QXPEHU UHIHU WR /RW 1XPEHU VKRZQ RQ &( SODWH DI¿[HG WR SURGXFW<HDU RI

body made of conduc-

Diesel fuel

PDQXIDFWXUH UHIHU WR WKH \HDU RI SURGXFWLRQ VKRZQ RQ WKH &( SODWH DI¿[HG WR WKH

tive plastic material of

Windscreen

SURGXFWLV LQ FRQIRUPLW\ ZLWK WKH OHJDO SURYLVLRQV LQGLFDWHG LQ WKH GLUHFWLYHV 

dark colour

 (OHFWURPDJQHWLF &RPSDWLELOLW\ ‘LUHFWLYH (&

Main components: K24 Meter

7KH GRFXPHQWDWLRQ LV DW WKH GLVSRVDO RI WKH FRPSHWHQW DXWKRULW\ IROORZLQJ PRWLYDWHG

1

LCD display

UHTXHVW DW 3LXVL 6S$ RU IROORZLQJ UHTXHVW VHQW WR WKH HPDLO DGGUHVV GRFBWHF#

2

RESET key

SLXVLFRP7KH SHUVRQ DXWKRULVHG WR FRPSLOH WKH WHFKQLFDO ¿OH DQG GUDZ XS WKH GHFOD-

3

CAL key

UDWLRQ LV 2WWR 9DULQL DV OHJDO UHSUHVHQWDWLYH

4

F-F bushing

1

Otto Varini

6X]]DUD 

2

OHJDO UHSUHVHQWDWLYH

3

B

GENERAL WARNINGS

Important

To ensure operator safety and to protect the pump from po-

precautions

tential damage, workers must be fully acquainted with this

instruction manual before performing any operation.

Symbols used

The following symbols will be used throughout the manual

to highlight safety information and precautions of particular

in the manual

D.2

DISPLAY LCD

importance:

ATTENTION

FOREWORD

The «LCD» of the METER features two numerical registers and various

This symbol indicates safe working practices for opera-

indications displayed to the user only when the applicable function

tors and/or potentially exposed persons.

so requires.

WARNING

1

Partial register (5 gures with moving

This symbol indicates that there is risk of damage to the

comma FROM 0.1 to 99999) indicating

equipment and/or its components.

the volume dispensed since the reset

button was last pressed

NOTE

This symbol indicates useful information.

2

Indication of battery charge

Manual pres-

his manual should be complete and legible throughout. It

ervation

should remain available to end users and specialist installation

3

Indication of calibration mode

and maintenance technicians for consultation at any time.

Reproduction

All reproduction rights are reserved by Piusi S.p.A. The text

4

Totals register (6 gures with moving

cannot be reprinted without the written permission of Piusi

comma FROM 0.1 to 999999), that can

rights

S.p.A.

indicate two types of Total:

THIS MANUAL IS THE PROPERTY OF Piusi S.p.A.

4.1. General Total that cannot be reset (TOTAL)

ANY REPRODUCTION, EVEN PARTIAL, IS FORBIDDEN.

4.2. Resettable total (Reset TOTAL)

5

Indication of total multiplication factor

C

SAFETY INSTRUCTIONS

(x10 / x100)

C.1

SAFETY WARNINGS

1

Mains — prelim-

ATTENTION

2

inary checks

You must avoid any contact between the electrical pow-

before instal-

er supply and the uid that needs to be FILTERED.

3

lation

Maintenance

Before any checks or maintenance work are carried out, dis-

control

connect the power source.

C.2

FIRST AID RULES

D.3

DISPLAY POSITIONING (METER VERSION ONLY)

Contact with

In the event of problems developing following EYE/SKIN

The square shape of the k24 body allows the card to be rotated in its

FOREWORD

CONTACT, INHALATION or INGESTION of the treated product,

the product

housing, thus ensuring great versatility in positioning

please refer to the SAFETY DATA SHEET of the uid

handled.

This allows easy display readings in any position. The card housing

NOTE

Please refer to the safety data sheet for the product

is closed by a plastic cover sealed through a rubber protection act-

ing as a gasket as well. This can be easily removed unscrewing the

4 screws that x both the cover and the card (1).

SMOKING

When operating the dispensing system and in particular dur-

ATTENTION

While xing the K24 card, make sure the battery con-

tact cable is not placed above the circular housing of

PROHIBITED

ing refuelling, do not smoke and do not use open ame.

the bulb.

C.3

GENERAL SAFETY RULES

Essential pro-

Wear protective equipment that is:

tective equip-

suited to the operations that need to be performed;

ment charac-

resistant to cleaning products.

teristics

Personal pro-

Wear the following personal protective equipment during

tective equip-

handling and installation:

ment that

safety

shoes;

D2

USERS BUTTONS

must be worn

The METER features two buttons (RESET and CAL) which individ-

FOREWORD

close- tting clothing;

ually perform two main functions and, together, other secondary

functions.

— for the RESET key, resetting the partial register and Reset Total

MAIN

protective gloves;

FUNCTIONS

— for the CAL key, entering instrument calibration mode

PERFORMED

SECONDARY

Used together, the two keys permit entering con guration mode

safety goggles;

FUNCTIONS

where the desired unit of measurement can be set.

LEGEND

CALIBRATE MEANS PERFORMING ACTIONS ON THE METER KEYS.

instruction manual

Protective

BELOW IS THE LEGEND OF THE SYMBOLS USED TO DESCRIBE

equipment

THE ACTIONS TO BE PERFORMED

SHORT

LONG

PRES

CAL

PRES

C.4

PACKAGING

SURE

SURE

OF CAL

OF CAL

K24 COMES PACKED IN A CARDBOARD BOX WITH A LABEL

FOREWORD

KEY

KEY

INDICATING THE FOLLOWING DATA:

1 — contents of the pack-

age

2 — weight of the contents

3 — description of the

product

ENGLISH

ENGLISH

E

OPERATING MODES

The user can choose between two di erent operating modes:

OPERATING

The meter features a non-volatile memory for storing the dispensing

MODES

data, even in the event of a complete power break for long periods.

The measurement electronics and the LCD display are tted in the top

part of the K24 which remains isolated from the uid-bath measure-

ment chamber and sealed from the outside by means of a cover.

Normal Mode: Mode with display of Partial and Total dis-

1 — Normal

pensed quantities

Mode

2 — Flow rate

Flow Rate Mode: Mode with display of Flow Rate, as well as

Partial dispensed quantity.

Mode

F

INSTALLATION

FOREWORD

K24 features a threaded, perpendicular inlet and outlet (1″ BSP male

and female that can be combined together). It has been designed to

be easily installed in any position: xed in-line or mobile on a dispens-

ing nozzle. In order to improve the life of the turbine, it is recommend-

ed to t a strainer before the meter itself

ATTENTION

An F/F coupling, complete with its gasket, is supplied

for installations on male couplings. Always screw the

side with gasket on K24.

It is up to the installer to use another gasket on the

other side of the coupling.

The gasket used has the following characteristics: at

seal id=24, od=35.5 , thick=2 Material: NBR 70 SH

High ow rate 120 l/min

For installations on system, position K24 so that the

Low ow rate 60 l/min

battery housing can be easily reached.

G

DAILY USE

The only operations that need to be done for daily use are partial and/

FOREWORD

or resettable total register resetting. The user should use only the dis-

pensing system of k24. Occasionally the meter may need to be con-

gured or calibrated. To do so, please refer to the relevant chapters.

Below are the two typical normal operation displays. One display page shows the par-

tial and reset total registers. The other shows the partial and general total. Switchover

from resettable total to general total display is automatic and tied to phases and times

that are in factory set and cannot be changed.

Main components: K24 Pulser

1

Plate with technical data

2

F-F bushing

NOTA

6 digits are available for Totals, plus two icons x 10 /

x100. The increment sequence is the following:

0.0 -> 99999.9 -> 999999 -> 100000 x 10 -> 999999 x

10 ->100000 x 100 -> 999999 x 100

G.1

DISPENSING IN NORMAL MODE

1

Normal mode is the standard dispensing. While the count is made, the

2

FOREWORD

4

partial and resettable total are displayed at the same time (reset total).

Should one of the keys be accidentally pressed during

WARNING

dispensing, this will have no e ect.

STAND BY

A few seconds after dispensing has ended, on the lower register, the

display switches from resettable total to general total: the word reset

above the word total disappears, and the reset total is replaced by

the general total.

This situation is called standby and remains stable until the user

operates the k24 again.

6

Indication of type of total, (TOTAL /

Reset TOTAL);

7

Indication of unit of measurement of

G.1.1

PARTIAL RESET (NORMAL MODE)

Totals:

L=Litres Gal=Gallons

8

Indication of Flow Rate mode

The partial register can be reset by pressing the reset key when

the meter is in standby, meaning when the display screen

shows the word «TOTAL».

9

Indication of unit of measurement of

Partial: Qts=Quarts

Pts=Pints

L=Litres

Gal=Gallons

After pressing the reset key, during reset, the display screen

rst of all shows all the lit-up digits and then all the digits that

are not lit up.

9

At the end of the process, a display page is rst of all shown

8

with the reset partial and the reset total

7

4

5

6

and, after a few moments, the reset total is replaced by the

non resettableTotal.

G.1.2

RESETTING THE RESET TOTAL

The reset total resetting operation can only be performed

after resetting the partial register. The reset total can in

fact be reset by pressing the reset key at length while

the display screen shows reset total as on the following

display page:

Schematically, the steps to be taken are:

1 Wait for the display to show normal standby display page

(with total only displayed)

2 Press the reset key quickly

3

The meter starts to reset the partial

4 While the display page showing the reset total is displayed

Press the reset key again for at least 1 second

5

The display screen again shows all the segments of the

display followed by all the switched-o segments and

nally shows the display page where the reset Reset

Total is shown.

C.2

DISPENSING WITH FLOW RATE MODE DISPLAY

SHORT

LONG

PRES

PRES

It is possible to dispense uids, displaying at the same

CAL

CAL

CAL

RESET

RESET

RESET

RESET

SURE

SURE

time::

OF

OF

1 the dispensed partial

RESET

RESET

2 the Flow Rate in [Partial Unit / minute] as shown on the

KEY

KEY

following display page:

Procedure for entering this mode:

1 wait for the Remote Display to go to Standby, meaning

the display screen shows Total only

2 quickly press the CAL key.

3 Start dispensing

The ow rate is updated every 0.7 seconds. Consequently, the display could be relatively

unstable at lower ow rates. The higher the ow rate, the more stable the displayed

value.

ENGLISH

H.2.2.1

IN-FIELD CALIBRATION PROCEDURE

IMPORTANT

The ow rate is measured with reference to the unit of

measurement of the Partial. For this reason, in case of

ACTION

the unit of measurement of the Partial and Total being

1

NONE

di erent, as in the example shown below, it should be

Meter in Standby

remembered that the indicated ow rate relates to

the unit of measurement of the partial. In the example

shown, the ow rate is expressed in Qts/min.

LONG CAL key keying

CAL

CAL

CAL

The Meter enters calibration mode, shows <<CAL>> and

displays the calibration factor in use instead of partial. The

words «Fact» and «USER» indicate which of the two factors

(factory or user) is currently in use.

2

Important: This factor is that which the instrument also uses for

eld calibration measurement operations

The word «Gal» remaining alongside the ow rate

LONG RESET key keying

refers to the register of the Totals (Reset or NON Reset)

RESET

RESET

RESET

The Meter shows «CAL» and the partial at zero. The Meter is

ready to perform in- eld calibration.

which are again displayed when exiting from the ow

rate reading mode.

3

To return to «Normal» mode, press the CAL key again. If one of the two keys RESET or

4

DISPENSING INTO SAMPLE CONTAINER

CAL is accidentally pressed during the count, this will have no e ect.

Without pressing any key, start dispensing into the sample

IMPORTANT

Even though in this mode they are not displayed, both the

container

Reset Total and the General Total (Total) increase. Their

value can be checked after dispensing has terminated,

returning to «Normal» mode, by quickly pressing CAL.

G.2.1

PARTIAL RESET (FLOW RATE MODE)

Dispensing can be interrupted and started again at will.

To reset the Partial Register, nish dispensing and wait for

Continue dispensing until the level of the uid in the sample

the Remote Display to show a Flow Rate of 0.0 as indicated

container has reached the graduated area. There is no need to

in the illustration

reach a preset quantity.

then quickly press RESET

H

CALIBRATION

Indicated value

When operating close to extreme use or ow rate conditions (close to minimum or

SHORT RESET key keying

maximum acceptable values), an on-the-spot calibration may be required to suit

RESET

The Meter is informed that the calibration dispensing

the real conditions in which the K24 is required to operate.

operation is nished.

Make sure dispensing is correctly nished before performing

this operation. To calibrate the Meter, the value indicated by

H1

DEFINITIONS

5

the partial totaliser (example 9.800) must be forced to the

real value marked on the graduated sample container. In the

Multiplication factor applied by the system to the electrical pulses

CALIBRATION

bottom left part of the display an arrow appears (upwards and

received, to transform these into measured uid units.

FACTOR OR

downwards), that shows the direction (increase or decrease) of

«K FACTOR»

the value change displayed when the following operations 6

or 7 are performed.

FACTORY K

Factory-set default factor. It is equal to 1,000. This calibration factor

ensures utmost precision in the following operating conditions:

SHORT RESET key keying

FACTOR

RESET

The arrow changes direction. The operation can be repeated to

Fluid

water/urea solution or liquid food products

alternate the direction of the arrow.

Temperature: 20°C

Flow rate:

10 — 30 ltr/min

6

Even after any changes have been made by the user, the factory k

7

SHORT/LONG CAL key keying

factor can be restored by means of a simple procedure.

The indicated value changes in the direction indicated by the

Customized calibration factor, meaning modi ed by calibration.

USER K FACTOR:

CAL

arrow

— one unit for every short CAL key keying

CAL

CAL

CAL

— continually if the CAL key is kept pressed. The speed increase

H2

CALIBRATION MODE

rises by keeping the key pressed. If the desired value is

exceeded, repeat the operations from point (6).

Why calibrate?

1

Display the currently used calibration factor:

2

Return to factory calibration (Factory K Factor) after a pre-

LONG RESET key keying

The Meter is informed that the calibration procedure is nished.

vious calibration by the user

RESET

RESET

RESET

Before performing this operation, make sure the INDICATED

3

Change the calibration factor using one of the two previ-

value is the same as the REAL value.

ously indicated procedures

.

8

FOREWORD

Two procedures are available for changing the Calibration Factor:

1

In-Field Calibration, performed by means of a dispensing

operation

2

Direct Calibration, performed by directly changing the

calibration factor

The Meter calculates the new USER K FACTOR ; this calculation

In calibration mode, the partial and total dispensed quantities indicated on the display

could require a few seconds, depending on the correction to

be made

screen take on di erent meanings according to the calibration procedure phase.

ATTENTION: If this operation is performed after action (5),

In calibration mode, the K24 cannot be used for normal dispensing operations.

without changing the indicated value, the USER K FACTOR would

In «Calibration» mode, the totals are not increased

be the same as the FACTORY K FACTOR, thus it is ignored.

NO OPERATION

ATTENTION

The K24 features a non-volatile memory that keeps

9

At the end of the calculation, the new USER K FACTOR is shown

the data concerning calibration and total dispensed

for a few seconds, after which the restart cycle is repeated to

quantity stored for an inde nite time, even in the

nally achieve standby condition.

case of a long power break; after changing the bat-

IMPORTANT: From now on, the indicated factor will become

teries, calibration need not be repeated.

the calibration factor used by the Meter and will continue to

remain such even after a battery change

H.2.1

DISPLAY OF CURRENT CALIBRATION FACTOR

NO OPERATION

10

AND RESTORING FACTORY FACTOR.

The Meter stores the new work calibration factor and is

ready to begin dispensing, using the USER K FACTOR that

By pressing the CAL key while the appli-

has just been calculated..

CAL

CAL

CAL

ance is in Standby, the display page ap-

pears showing the current calibration fac-

H.2.3

DIRECT MODIFICATION OF K FACTOR

tor used. If no calibration has ever been

performed, or the factory setting has

If normal Meter operation shows a mean percentage error, this can be corrected by ap-

been restored after previous calibrations,

plying to the currently used calibration factor a correction of the same percentage. In this

the following display page will appear:

case, the percentage correction of the USER K FACTOR must be calculated by the opera-

tor in the following way

The word «Fact» abbreviation for «factory»

shows that the factory calibration factor

is being used

1HZ FDO )DFWRU

If, on the other hand, calibrations have

been made by the user, the display page

Example:

will appear showing the currently used

Error percentage found: E% — 0.9 %

calibration factor ( in our example 0,998) .

The word «user» indicates a calibration fac-

CURRENT calibration factor: 1.000

tor set by the user is being used..

New USER K FACTOR:

1.000 * [(100 – ( — 0.9))/100] = 1.000 * [(100 + 0.9)/100] = 1.009

If the Meter indicates less than the real dispensed value (negative error) the new calibra-

CAL

tion factor must be higher than the old one as shown in the example. The opposite ap-

plies if the Meter shows more than the real dispensed value (positive error).

ACTION

CAL

CAL

CAL

The ow chart alongside

NONE

1

shows the switchover logic

METER in Standby.

RESET

from one display page to

another

RESET

In this condition, the Reset

LONG CAL KEY KEYING

key permits switching

CAL

CAL

CAL

CAL

Meter enters calibration mode, shows «CAL» and displays the

from User factor to Factory

calibration factor being used instead of the partial. The words

factor.

«Fact» and «User» indicate which of the two factors (factory or

To con rm the choice of

user) is currently being used.

2

calibration factor, quickly

LONG RESET KEY KEYING

press CAL while «User» or

RESET

RESET

RESET

The Meter shows «CAL» and the zero partial total.

«Fact» are displayed.

Meter is ready to perform in- eld calibration by dispensing –

After the restart cycle, the

TIME OUT

see previous paragraph.

K24 uses the calibration

3

factor that has just been

LONG RESET KEY KEYING

con rmed

We now go on to Direct change of the calibration factor:

the word «Direct» appears together with the Currently Used

RESET

RESET

RESET

calibration factor. In the bottom left part of the display, an

arrow appears (upwards or downwards) de ning the direction

ATTENTION

When the Factory Factor is con rmed, the old User

(increase or decrease) of change of the displayed value when

factor is deleted from the memory

4

subsequent operations 5 or 6 are performed.

SHORT RESET KEY KEYING

Changes the direction of the arrow. The operation can be

RESET

repeated to alternate the direction of the arrow.

H.2.2

IN FIELD CALIBRATION

5

FOREWORD

This procedure calls for the uid to be dispensed into a gradu-

SHORT/LONG CAL KEY KEYING

ated sample container in real operating conditions ( ow rate,

CAL

The indicated value changes in the direction indicated by the

viscosity, etc.) requiring maximum precision.

arrow

CAL

CAL

CAL

ATTENTION

For correct K24 calibration, it is most important to:

— one unit for every short CAL key keying

— continually if the CAL key is kept pressed. The speed increase

6

rises by keeping the key pressed. If the desired value is

exceeded, repeat the operations from point (5).

1

When the Factory Factor is con rmed, the old User factor is deleted

LONG RESET KEY KEYING

from the memory

RESET

RESET

RESET

The Meter is informed that the calibration procedure is

nished.

2

use a precise Sample Container with a capacity of not less than 5

litres, featuring an accurate graduated indicator.

Before performing this operation, make sure the INDICATED

value is that required.

7

3

ensure calibration dispensing is done at a constant ow rate equiva-

lent to that of normal use, until the container is full;

NO OPERATION

8

At the end of the calculation, the new USER K FACTOR is shown

4

Not reduce the ow rate to reach the graduated area of the con-

for a few seconds, after which the restart cycle is repeated to

tainer during the nal dispensing stage (the correct method during

nally achieve standby condition.

the nal stages of sample container lling consists in making short

IMPORTANT: From now on, the indicated factor will become

top-ups at normal operation ow rate) ;

the calibration factor used by the Meter and will continue to

after dispensing, wait a few minutes to make sure any air bubbles

remain such even after a battery change

5

are eliminated from the sample container; only read the Real value

9

NO OPERATION

The Meter stores the new work calibration factor and is ready

at the end of this stage, during which the level in the container could

to begin dispensing, using the USER K FACTOR that has just

drop.

been changed.

6

Carefully follow the procedure indicated below.

ENGLISH

ENGLISH

I

METER CONFIGURATION

The METER feature a menu with which the user can select the main measurement unit,

DISPLAY

Quarts (Qts), Pints (Pts), Litres (Lit), Gallons (Gal);

The combination of the unit of measurement of the Partial register and that of the

Totals is prede ned according to the following table:

Unit of Measurement

Unit of Measurement

Combination no.

Partial Register

Totals Register

1

Litres (L)

Litres (L)

2

Gallons (Gal)

Gallons (Gal)

3

Quarts (Qts)

Gallons (Gal)

4

Pints (Pts)

Gallons (Gal)

To choose between the 4 available combinations:

1

Wait for the METER to go to Standby

Then press the CAL and RESET keys together. Keep these pressed

RESET

CAL

until the word «UNIT» appears on the screen together with the unit of

+

measurement set at that time (in this example Litres / Litres )

2

Every short press of the RESET key, the various combina-

3

tions of the units of measurements are scrolled as shown

below:

Gal

RESET

RESET

Real value

RESET

By pressing the CAL key at length, the new settings will

CAL

CAL

CAL

be stored, the METER will pass through the start cycle and

will then be ready to dispense in the set units.

4

ATTENTION

The Reset Total and Total registers will be auto-

matically changed to the new unit of measure-

ment.

NO new calibration is required after changing the

Unit of Measurement.

L

MAINTENANCE

Use 2×1.5 V alkaline batteries size AAA

BATTERY

REPLACEMENT

WARNING

K24 should be installed in a position allowing the

batteries to be replaced without removing it from

the system.

K24 features two low-battery alarm levels:

1

When the battery charge falls below the rst level on the LCD,

the xed battery symbol appears. In this condition, K24 con-

tinues to operate correctly, but the xed icon warns the user

that it is ADVISABLE to change the batteries.

2

If K24 operation continues without changing the batteries,

Indicated value

Real value

the second battery alarm level will be reached which will

prevent operation. In this condition the battery icon starts to

ash and is the only one to remain visible on the LCD.

o change the

1

Press RESET to update all the totals

batteries, with

2

Loosen the 4 xing screws of the lower cover

reference to the

3

Remove the old batteries

exploded diagram

4

Place the new batteries in the same position as the

positions, proceed

old ones

as follows

5

close the cover again, by positioning the rubber pro-

tection as a gasket

6

K24 will switch on automatically and normal opera-

tion can be resumed

The K24 will display the same Reset Total, the same Total and the same Partial indi-

cated before the batteries were changed.

After changing the batteries, the meter does not need calibrating again.

CLEANING

Only one operation is necessary to clean the k24.

After removing k24 from the plant where it was built

in, any residual elements can be removed by washing

or mechanically-handling.

If this operation does not restore a smooth rotation of

the turbine, it will have to be replaced.

(

)

ATTENTION

Do not discard the old batteries in the environment.

  (

Refer to local disposal regulations.

2OG &DO )DFWRU



Do not use compressed air onto the turbine in

order to avoid its damage because of an exces-

sive rotation

K24 Front face replacement

1

Carefully remove the screws from the corners of the

front panel, and then carefully lift the front cover up

away from the main body of the meter.

DISPLAY

2

Carefully remove the screws from the corners of the

front panel, and then carefully lift the front cover up

away from the main body of the meter.

3

When the new panel is tted make sure the power

adapter is tted correctly with the location pin in the

correct way

4

Carefully re t the display panel back onto the main

body making sure the wire is tucked into the corner

and replace the screws

M

MALFUNCTIONS

Problem

Possible cause

Remedial Action

LCD: no indication

Bad battery contact

Check battery contacts

With reference to paragraph H,

Wrong K FACTOR

check the K FACTOR

Not enough measure-

Increase the ow rate until an

ment precision

The meter works below

acceptable ow rate range has

minimum acceptable ow rate.

been achieved

Reduced or zero ow

TURBINE blocked

Clean the TURBINE

rate

Incorrect installation of

Repeat the reassembly pro-

The meter does not

gears after cleaning

cedure

count, but the ow

Possible electronic card

rate is correct

Contact your dealer

problems

K24

ELECTRONIC TURBINE

METER — PULSER

Qts

Pts

Gal

MANUALE D’USO, MANUTENZIONE

Italiano

Italiano

E CALIBRAZIONE

USE, MAINTENANCE AND

English

English

CALIBRATION MANUAL

M0171CITEN _ 00

N

DISPOSAL

If the system needs to be disposed, the parts which make it up

Foreword

must be delivered to companies that specialize in the recycling

and disposal of industrial waste and, in particular:

The packaging consists of biodegradable cardboard which can be

Disposing of pack-

ing materials

delivered to companies for normal recycling of cellulose.

Metal parts, whether paint- nished or in stainless steel, can be

Metal Parts Dis-

consigned to scrap metal collectors.

posal

Disposal of electric

These must be disposed of by companies that specialize in the

disposal of electronic components, in accordance with the indica-

and electronic

tions of directive 2002/96/CE (see text of directive below).

components

Informa-

European Directive 2002/96/EC requires that all equipment

tion regard-

marked with this symbol on the product and/or packaging not

be disposed of together with non-di erentiated urban waste.

ing the en-

The symbol indicates that this product must not be disposed of

vironment

together with normal household waste. It is the responsibility of

for clients

the owner to dispose of these products as well as other electric or

residing

electronic equipment by means of the speci c refuse collection

within the Euro-

pean Union

structures indicated by the government or the local governing

authorities.

Miscellaneous

Other components, such as pipes, rubber gaskets, plastic parts

parts disposal

and wires, must be disposed of by companies specialising in the

disposal of industrial waste.

P

EXPLODED VIEWS AND OVERALL DIMENSIONS

/VISTE ESPLOSE ED INGOMBRI

Предложите, как улучшить StudyLib

(Для жалоб на нарушения авторских прав, используйте

другую форму
)

start:документы:руководства_терминалы

1. Изменение
   температуры воздуха в помещении во
   время работы средств калибровки не
   должно быть более ±0,5
   °С в течение 1 ч; калибратор должен быть
   удален не менее чем на 1 м от окон,
   дверей, радиаторов отопления, должно
   быть исключено попадание потока воздуха
   систем кондиционирования и прямых
   солнечных лучей.

2. Должна
   быть исключена вибрация и вероятность
   ударов средств калибровки и
   преобразователей.

1. Подготовка к калибровке

   1. Средства
      калибровки подготавливают к работе в
      соответствии с эксплуатационной
      документацией.

   2. Устройство
      для создания давления должно обеспечивать
      плавное повышение и понижение давления,
      а также постоянство давления во время
      отсчета показаний и выдержки приборов
      под давлением, равным верхнему пределу
      измерений.

   3. Если
      рабочей средой при калибровке является
      жидкость, то торец штуцера манометра
      и торец штуцера образцового прибора
      должны находиться в одной горизонтальной
      плоскости с допускаемой погрешностью:

где

– предел допускаемой основной погрешности
прибора в процентах от нормирующего
значения;

– плотность
рабочей среды;

– ускорение
свободного падения.

1. При
   отсутствии технической возможности
   выполнения требований п. 8.3 настоящей
   методике в показания образцового (или
   калибруемого) прибора должна быть
   внесена поправка
   ,
   учитывающая влияния столба рабочей
   среды:

Поправка
прибавляется к показаниям того прибора,
уровень расположения торца которого
выше.

1. Перед
   калибровкой, манометры выдерживают
   при температуре окружающего воздуха
   (20±5) °С не менее одного часа.

1. Проведение калибровки и обработка результатов измерений

   1. Внешний осмотр

      1. При
         проведении внешнего осмотра
         преобразователя проверяют отсутствие
         механических повреждений штуцеров,
         целостность стекла и стрелки. Стекло
         и защитное покрытие циферблата должно
         быть чистым и не иметь дефектов,
         препятствующих правильному отсчёту
         показаний.

      2. При
         невыполнении требований 11.1.1
         преобразователь к дальнейшей калибровке
         не допускают.

   2. Проверка положения стрелки

Проверку
положения указательной стрелки у нулевой
отметки выполняют при отсутствии
давления. Перед выполнением данной
операции необходимо отвести сигнальные
стрелки за крайние отметки шкалы, а
поверяемый прибор выдержать под давлением
в пределах (90-100)% верхнего предела
измерений в течение 1-2 мин. Указательная
стрелка прибора, не имеющего корректора
нуля, должна располагаться на нулевой
отметке шкалы с отклонением не более
предела основной допускаемой погрешности.
Стрелку прибора, имеющего корректор
нуля, устанавливают по центру нулевой
отметки шкалы

1. Определение метрологических характеристик

   1. Основную
      погрешность манометра определяют в
      пяти точках, равномерно расположенных
      в диапазоне измерений манометра,
      включая начало и конец диапазона
      методом сличения с образцовым прибором.
      Калибровка проводится следующим
      способом – стрелку манометра
      устанавливают на калибруемую отметку
      шкалы, а действительное давление
      отсчитывают по образцовому прибору.

   2. При
      калибровке давление плавно повышают
      и проводят отсчитывание показаний.
      Затем прибор выдерживают в течение 5
      мин. под давлением, равном верхнему
      пределу измерений. После чего давление
      плавно понижают и проводят отсчитывание
      показаний при тех же значениях давления,
      что и при повышении давления. Скорость
      изменения давления не должна превышать
      10 % диапазона показаний в секунду.

   3. При
      снижении давления до нуля после
      калибровки стрелка должна, находиться
      на нулевой отметке шкалы с отклонением,
      не превышающим, допускаемого значения,
      установленного в техдокументации на
      прибор. Последний должен быть отсоединён
      от устройства создания давления и
      находиться в рабочем положении.

   4. Движение
      стрелки должно происходить плавно,
      без заеданий и скачков. Стрелка не
      должна касаться циферблата и
      стекла. Примечание.
      Допускаются заедания и скачки, величина
      которых не должна превышать значений,
      оговоренных в нормативно-технической
      документации.

   5. Вариацию
      показаний определяют для каждой
      поверяемой отметки шкалы, кроме нижнего
      и верхнего предельных значений.
      Вариация показаний V_к
      манометров
      определяют по результатом измерений
      как разность показаний при прямом и
      обратном ходах давление по формуле:

V_к
= Р_п
– Р_о

где
Р_п
и Р_о
— показания значения давление по
образцовому СИ или манометру при прямом
и обратном ходах.

1. Вариация
   не должна превышать предела допускаемой
   основной погрешности.

2. Абсолютную
   погрешность
   Р
   определяет по результатом измерений
   как наибольшую разность по абсолютному
   значению по формуле

Р
= Р_к
— Р_e

где
Р_к
– показания калибруемого манометра
при прямом и обратном ходах;

Р_e
— значение давление по образцовому СИ.

Соседние файлы в папке Методики

• #
• #
• #
• #
• #
• #
• #
• #