Fluke 2638A Calibration Manual

2638A
Calibration Manual
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Totalizer ............................................................................................. 14
Trigger ............................................................................................... 15
Alarm Output ..................................................................................... 15
2638A-100 Universal Input Module ....................................................... 15
General Maintenance ............................................................................ 16
If the Product Does Not Turn On ....................................................... 16
Clean the Product .............................................................................. 16
Replace the Line Power Fuse ........................................................... 16
Battery Replacement ......................................................................... 17
Memory and Factory Reset ............................................................... 18
Required Equipment .............................................................................. 19
Test Considerations .............................................................................. 21
Performance Tests ................................................................................ 21
Front Panel Test ................................................................................ 22
DC Volts Verification .......................................................................... 22
Volts AC and Frequency Verification ................................................. 24
4-Wire Ohms Verification ................................................................... 26
PRT Verification Steps ...................................................................... 27
Configure Resistance Display ........................................................... 27
Thermistor Verification Steps ............................................................ 28
Configure Resistance Display ........................................................... 28
DC Current Verification ...................................................................... 29
AC Current Verification Steps ............................................................ 31
2638A-100 Module Verification ......................................................... 32
Calibration Adjustment .......................................................................... 33
Unlock the Product ............................................................................ 33
Unlock the Product with a Remote Interface ..................................... 33
Reset the Admin Password ............................................................... 34
Disassembly ...................................................................................... 35
Change the Calibration Date Remotely ............................................. 37
“Mainframe” Adjustment Process ...................................................... 37
Remote Commands for Calibration ....................................................... 43
Remote Programming Examples ....................................................... 44
Start a Full Calibration ....................................................................... 44
Calibrate 1 V DC Range only ............................................................ 45
Write Calibration Date to a Module .................................................... 45
Command References ....................................................................... 46
User-Replaceable Parts and Accessories ............................................. 51

Fluke 2638A Specifications

General

Resistance Range	0 to 100 MΩ
Power Supply	100 V to 240 V AC, 50 Hz to 60 Hz
Voltage Range	±300 V
Resolution	6.5 digits
Memory	USB
Interface	USB, Ethernet
Display	Color
Measurement Types	DC voltage, AC voltage, resistance, DC current, AC current, frequency, temperature