MRU-200-GPS OPERATING MANUAL Version 1.06
8
Using and buttons select
the desired frequency and press
ENTER
.
2.3.2 Calibration of the current clamps
Current measurement is made using a rigid current clamp or flexible Rogowski current probe.
The clamp or probe must be calibrated before using for the first time. It is advisable to periodically
calibrate the clamp or probe so age effects will not influence the resolution of measurements. Re-
calibrate again after a clamp or probe has been replaced.
Calibration of hard clamps
Select Clamp calibration in 2.3 above
and press
ENTER
.
Follow the instructions.
When calibration completes the display shows:
