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Fluke 787 [42/50] Ac current measurement
![Fluke 787 [42/50] Ac current measurement](/views2/1005613/page42/bg2a.png)
787
Users Manual
38
AC Current Measurement
Range
45 Hz to 2 kHz
Resolution Accuracy, ±(% of Reading + Counts) Typical Burden
Voltage
1.000A (Note) 0.001A 1% + 2 1.5V/A
Note: 440 mA continuous, 1A 30 seconds maximum
Specifications are valid from 5% to 100% of amplitude range.
AC conversion: true rms
Maximum crest factor: 3
For non-sinusoidal waveforms, add
±
(2% reading + 2% f.s.) typical
Overload protection 440 mA, 1000V fast-blow fuse
DC Current Measurement
Range Resolution Accuracy, ±(% of Reading + Counts) Typical Burden
Voltage
30.000 mA 0.001 mA 0.05% + 2 14 mV/mA
1.000A (Note) 0.001A 0.2% + 2 1.5V/A
Note: 440 mA continuous, 1A 30 seconds maximum
Overload protection: 440 mA, 1000V fast-blow fuse
Содержание
- April 1997 rev 12 01 1
- Processmeter 1
- Processmeter users manual 1
- Users manual 1
- Limited warranty limitation of liability 2
- Table of contents 3
- Title page 3
- Contacting fluke 5
- Introduction 5
- Processmeter 5
- Warning 5
- Safety information 6
- Warning 6
- Cat iii 8
- How to get started 9
- Getting acquainted with the meter 10
- Figure 3 rotary switch positions for measurements 12
- Users manual 12
- Figure 4 rotary switch positions for ma output 14
- Users manual 14
- Figure 6 elements of the display 18
- Users manual 18
- Input impedance 21
- Measuring a composite signal 21
- Measuring electrical parameters 21
- Ranges 21
- Displaying minimum maximum and average 22
- Testing diodes 22
- Compensating for test lead resistance 23
- Using touchhold 23
- Warning 23
- Source mode 24
- Using the current output functions 24
- Ee010f eps 25
- Figure 7 sourcing current 25
- Processmeter using the current output functions 25
- Changing the current span 26
- Simulate mode 26
- Com 24v 27
- Dc v power supply 27
- Figure 8 simulating a transmitter 27
- Processmeter using the current output functions 27
- Producing a steady ma output 28
- Manually stepping the ma output 29
- Auto ramping the ma output 30
- Power up options 31
- Battery life 32
- Calibration 32
- General maintenance 32
- Maintenance 32
- Using the holster and flex stand 32
- Warning 32
- Figure 9 using the holster and flex stand 33
- Processmeter maintenance 33
- Replacing the battery 34
- Warning 34
- Replacing a fuse 35
- Warning 35
- If the meter does not work 36
- Replacement parts and accessories 37
- Warning 37
- Figure 12 replacement parts 39
- Processmeter replacement parts and accessories 39
- Dc volts measurement 40
- Specifications 40
- Ac volts measurement 41
- Dc millivolts measurement 41
- Ac current measurement 42
- Dc current measurement 42
- Ohms measurement 43
- Frequency counter accuracy 44
- Frequency counter sensitivity 44
- Dc current output 45
- Diode test and continuity test 45
- General specifications 45
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