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Fluke 773 Руководство по калибровке онлайн [4/26] 5022

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Calibration Manual

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773 calibration manual 1
Warranty 2
Table of contents 3
List of tables 5
List of figures 7
Introduction 9
Xw warning 9
How to contact fluke 10
Safety information 10
Xw warning 10
Dc current measurement 12
Dc voltage measurement 773 12
Electrical specifications 12
Specifications 12
Symbols 12
Table 1 refers to the symbols that are on the meter or in this manual 12
Dc voltage source 773 13
Environmental specifications 13
General specifications 13
Ma dc in out 773 13
Mechanical specifications 13
Milliamp process clamp meter 13
Other specifications 13
Scaled ma dc current output to ma current input from the jaw 773 13
Standards and agency approval specifications 13
Basic maintenance 14
Battery replacement 14
How to clean the meter 14
Xw warning 14
A message from 15
Fluke corporation 15
Static awareness 15
Do not do the verification tests or calibration adjustment in this manual unless qualified 17
Milliamp process clamp meter 17
Performance tests 17
Repairs or meter servicing must be done only by qualified personnel 17
Required equipment 17
Required equipment for the performance tests is in table 2 if the recommended models are not available equipment with equivalent specifications can be used 17
The tests that follow verify the functions of the meter if the meter fails the verification tests repair is necessary for meter servicing see how to contact fluke 17
To prevent electrical shock personal injury or fire 17
Xw warning 17
Backlight test 18
Display hold test 18
How to test the batteries 18
How to test the display 18
Measurement spotlight led test 18
Xw warning 18
Accuracy specifications are valid for 1 year after calibration adjustment when measured at an operation temperature of 18 c to 28 c allow the meter to stabilize at room temperature prior to performing the accuracy tests 19
Accuracy tests 19
Ma dc clamp measure accuracy tests 19
Ma dc measure accuracy tests 19
Milliamp process clamp meter 19
The following tables list the required performance test points for verifying meter accuracy zero the meter prior to completing each measurement point 19
Before you start calibration adjustment let the meter stabilize to room temperature 20
Calibration adjustment 20
Ma dc source accuracy tests 20
The meter features closed case calibration adjustment with a known reference source the meter measures the applied reference source calculates correction factors and keeps the correction factors in nonvolatile memory 20
Volts dc measure accuracy tests 20
Volts dc source accuracy tests 20
Calibration error messages 22
In measure mode the shown value is the calibrator input 22
In source mode the shown value is the meter output 22
Push the calibration button a second time to keep new calibration constants and exit calibration mode 22
Table 4 shows the meter buttons you use to adjust the meters calibration 22
The calibration error messages that the meter can show are in table 5 steps to remove the messages are also shown in the table 22
The meter display shows the value in each adjustment step 22
To exit calibration mode 22
Ma dc clamp measure adjustment procedure 23
Ma dc measure adjustment procedure 23
Milliamp process clamp meter 23
To adjust the clamp measure function use the calibrator to apply the necessary meter input and do the steps in table 6 23
To adjust the ma measure function use the calibrator to apply the necessary meter input and do the steps in table 7 23
To adjust the volt measure function use the calibrator to apply the necessary meter input and do the steps in table 8 23
Volts dc measure adjustment procedure 23
Ma dc source adjust procedure 24
To adjust the ma source function use the calibrator to apply the necessary meter input and do the steps in table 9 24
To adjust the volt source function use the calibrator to apply the necessary meter input and do the steps in table 10 24
Volts dc source adjust procedure 773 only 24
Milliamp process clamp meter 25
Replaceable parts 25
Table 11 and figure 5 show all replaceable parts 25
Calibration manual 26
Figure 5 replaceable parts 26

Fluke 773 Руководство по калибровке онлайн [4/26] 5022

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