Gfc 8131h руководство по эксплуатации

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• 1, FREQUENCY COUNTER USER MANUAL CONTENTS PAGE 1. PRODUCT INTRODUCTION……………………………………… 1 2. TECHNICAL SPECIFICATION…………………………… 2 3. PRECAUTIONS BEFORE OPERATION…….…………… 3-1.Unpacking the Instrument………………….…………… 3-2.Checking the Line Voltage…………………..…………. 3-3.Equipment Installation and Operation………………… 4 4 4 5 4. PANEL I…

• 2, GW Instek GFC-8131H FREQUENCY COUNTER USER MANUAL 2 2. TECHNICAL SPECIFICATIONS CHANNEL A Range Coupling AC DC FREQ A 30Hz to 120MHZ 0.01Hz to 120MHz PRID A 8ns to 30ms 8ns to 100s Sensitivity (rms) 50mVrms Max. to 10kHz. 25mVrms Max. to 80MHz. 35mVrms Max. to 120MHz. (If frequency ＜ 10MHz, sensitivity figures are for 4 stable digits of reading.) Coupling AC or DC switchable. Filter Low pass, swi…

• 3, FREQUENCY COUNTER USER MANUAL 4 3.PRECAUTIONS BEFORE OPERATION 3-1.Unpacking the Instrument The instrument has been fully inspected and tested before shipping from the factory. Upon receiving the instrument, please unpack and inspect it to check if there is any damages caused during transportation. If any sign of damage is found, notify the bearer and/or the dealer immediately. 3-2.Checking the Line Voltage The instrument can be applied any kind of line…

• 4, FREQUENCY COUNTER USER MANUAL 6 4. PANEL INTRODUCTION (1). Power ON/OFF Power on or off by using the button. (2). Reset Restart counting by resetting counter to zero. (3). FREQ A Select frequency mode of operation for input A. (4). PRID A Select period mode of operation for input A. (5) FREQ B Select frequency mode of operation for input B. (6). Gate Time(LED) When Gate time LED is on, the counter’s main gate circuit is open and the measuremen…

• 5, FREQUENCY COUNTER USER MANUAL 8 z Front Panel Fig. 1 Front panel FREQUENCY COUNTER USER MANUAL 9 5. APPLICATION (1) Signal Measurements Frequency range between 0.01Hz and 120MHz, press FREQ A switch, then connect input signal to the channel A input BNC. Frequency range between 50MHz and 1.3(2.7) GHz, press FREQ B switch, then connect input signal to the channel B input BNC. Press “PRID” switch to select period mode of operation for …

• 6, FREQUENCY COUNTER USER MANUAL 10 (4) LP FILTER An unstable reading is caused from measuring noise of low frequency signals on channel A. The LP FILTER minimizes high frequency noise, permitting the counter to measure only the desired low frequency component. For more stable reading, insert a 100kHz low pass filter into the channel A input circuit by pushing in the LP FILTER button. (5) Attenuator An attenuator is provided in the channel A input …

• 7, FREQUENCY COUNTER USER MANUAL 12 6-2.Cleaning To clean the instrument, use a soft cloth dampened in a solution of mild detergent and water. Do not spray cleaner directly onto the instrument because it may leak into the cabinet and cause damage. Do not use chemicals containing benzine, benzene, toluene, xylene, acetone, or similar solvents. Do not use abrasive cleaners on any portion of the instrument.
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