Current Sourcing Test - Fluke ProcessMeter 787 Calibration Manual

Current Sourcing Test

1. Put the calibrator in Standby (
2. Connect the
terminals on the multimeter as shown in Figure 4.
3. Put the multimeter in the dc mA function and manually select 100 mA range. (Do
not allow the multimeter to autorange.)
4. Put the UUT rotary switch in the
5. Use the
% STEP
3 and compare the readings on the multimeter to the acceptable readings shown.
787 Range
No Range Switching
No Range Switching
No Range Switching
UUT
787 PROCESSMETER
MIN MAX RANGE HOLD
H
% STEP COARSE FINE
REL Hz
mA
mV
A
OUTPUT
V mA
V mA
OFF
OUTPUT 0-24mA
SOURCE SIMULATE
+ +
A mA COM V
30mA
CAT
0.44A
FUSED
1000V
(1A /30 sec)
FUSED
Figure 4. Current Sourcing Connections Using the HP 3458A
STBY
SOURCE ( A ) and
OUTPUT m
and keys on the UUT to apply the values shown in Table
COARSE
Table 3. Current Sourcing Test
787 Output Current
4 mA
12 mA
20 mA
HP 3458A
DC mA Function
100 mA Range
) mode.
( mA ) terminals on the UUT to the current
position.
Minimum Acceptable
Multimeter Reading
3.99 mA
11.99 mA
19.99 mA
Calibration Manual
Verification Tests
Maximum Acceptable
Multimeter Reading
4.01 mA
12.01 mA
20.01 mA
LT001F.EPS
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