Remote Interface; Temperature Calibration; Setup - Fluke 87 IV Series Service Manual

87 & 89 Series IV
Service Manual

Remote Interface

You can perform semi-automated calibration with the remote interface using MET/CAL
software. You must have a DB9 Adapter (Fluke P/N 804549) to operate the 87 & 89
Series IV meters with MET/CAL. This adapter allows you to connect the interface
adapter to a PC. The DB9 Adapter and an Adapter Kit (Fluke P/N 689486) are required if
you connect the UUT interface adapter to the 5520A serial port. For more information
about MET/CAL calibration requirements, contact Fluke customer service.

Temperature Calibration

Required equipment:
•
•
•
•
•
Optional equipment:
•
The following procedure is only required if the Meter has been repaired by
replacing one of the following components: A/D, U4, Reference Junction
Sensor, U100 or EEPROM, U10.

Setup

Prior to beginning the procedure, turn the rotary switch
constant ambient temperature for 30 minutes. This allows the internal reference junction
sensor and input terminals to stabilize to the same temperature.
Connect the IR adapter to the serial com port of the PC. Install the 87/89 IV Service
Software.
26
Table 5. Calibration Inputs (cont.)
Step Value
AC A
1 5 A
2 5 A
DC A
1 5 A
2 5 A
1. Use 5520A 2-Wire Comp.
2. Zero ohms must use the same calibrator and test leads as all other ohm cal points.
Do not bypass the calibrator with a shorting bar for the zero ohms step.
3. Because of capacitive coupling, readings will be affected by movement of the leads or
operator. Put fingers on UP button and wait for display reading to settle before pushing.
Fluke 87/89 IV Service Software, Fluke P/N 676152
Infrared (IR) Adapter, Fluke P/N 690518
IBM compatible PC
Fluke 80T-150U with accuracy certified to +0.2 °C
Fluke 8060A Digital Multimeter
Holster, IR Adapter, Fluke P/N 666443
Frequency Time to Settle (In Seconds)
700 Hz
700 Hz
DC
DC
Note
OFF
7
7
16
7
. Let the Meter stabilize in a