
34
Power Quality Analyzer Model 3945-B
Synchronization of the Display in “Waveform” mode:
Display selection
(vertical right menu)
Reference channel
for synchronization
3U
3V
4A / 3A
L1
L2
L3
U1
V1
A1
V1
V2
V3
4.1.6 Current Sensors
• Highlight CURRENT SENSORS with the
buttons, then press the button.
The following screen will appear:
MN clamp
SR clamp
AmpFlex
MR clamp
Adapter
200A
1000 / 5A
07/25/02 10:26
100%
1
2
3
Figure 4-4
Current transducer ratio.
•
moves the cursor left or right to select which digit will be edited.
•
increases or decreases the value at the highlighted position.
Secondary current value.
Nominal value of primary current from 5 to 2999A.
• Choose the sensor type with the
buttons.
- The MN Clamp also requires a range selection to match your probe. The
range choices are 200, 100 and 5 Amps. The 200 Amp Range is used
for the MN93 Probe and the 100 or 5 Amp Range is used for the MN193
Probe.
- To select the proper range first ensure that the MN Probe choice is high
-
lighted using the
buttons.
- Next press the button to highlight the range, then press either of the