![Fluke 773 [9/26] Introduction](/img/pdf.png)
Fluke 773 [9/26] Introduction
1
Introduction
XW Warning
To prevent electrical shock or personal injury, do not do the
calibration verification tests or calibration procedures in this
manual unless you are qualified.
The data in this manual is for qualified personnel only.
This manual tells you about verification and adjustment procedures for the 772/773
Milliamp Process Clamp Meter (referred to in this manual as the Meter). The Meter
features closed-case calibration to use with reference sources. It measures the reference
signals, calculates the correction factors, and keeps them in memory. Calibration
adjustment is required after a repair, or if the Meter fails a performance test.
This manual explains:
• Precautions and Safety Information
• Specifications
• Basic Maintenance
• Calibration/Verification Procedure
• Replaceable Parts and Accessories
For complete use instructions, refer to the 772/773 Instruction Sheet.
Содержание
- 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
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