374 FC/375 FC/376 FC and 902 FC
Calibration Manual
12
ghn50.eps
Figure 5. Current Calibration Setup
9. For each calibration adjustment:
a. Turn the rotary knob to select the function.
b. Apply the required output from the source to the Product.
c. Wait until each applied output stabilizes.
On the 37x FC Products, push to confirm the value and move to the next step in the Adjustment
Procedure. When you have completed all the steps, push
to save the data to NVRAM storage.
On the 902 FC Products, push
to confirm the value and move to the next step in the Adjustment
Procedure. When you have completed all the steps, push to save the data to NVRAM storage.
10. To view the target calibration point, push .
11. When calibration is complete:
a. Remove the power supply.
b. Replace the batteries.
c. Replace the battery compartment door and tighten the battery compartment screw.
VAC Adjustment Procedure
Step LCD Display 374 FC 375 FC 376 FC 902 FC Calibrator Output
1C-00
√√ √ √
0 V, 0 Hz
2C-01
√√ √ √
600 V, 50 Hz
3C-02
√√ √ √
300 V, 50 Hz
4C-03
√√ √ √
300 V, 100 Hz
5C-04
√√ √ √
300 V, 200 Hz
6C-05
√√ √ √
300 V, 300 Hz
7C-06
√√ √ √
300 V, 400 Hz
8C-07
√√ √ √
300 V, 500 Hz
9Save
√√ √ √
STBY
1
4
7
/
+
STB
5522A
CALIBRATOR
HI
LO
TRIG
GUARD
TC
20A
NORMAL
AUX
SCOPE
OUT
V, , ,
RTD
A, -SENSE,
AUX V
20V PK MAX
20V PK MAX