HT instruments М75 - Manual (Page 16)

M72 - M73 - M74 - M75
EN - 14
4.8.1. Anomalous cases which may occur during A Hz measurements
1. If the detected current value exceeds the
clamp full scale the instrument displays
the screen beside.
Disconnect immediately the clamp from
the circuit under test to avoid electrical
shocks and damages to the instrument
The instrument is 20% overchargeable
than the clamp full scale
Example of clamp full
scale set at 400A AC
2. If during a current measurement the
detected frequency value exceeds 400Hz
the instrument displays the screen beside
3. If during a frequency measurement the
detected value exceeds 400Hz the
instrument displays the screen beside
4. If during a frequency measurement the
detected value does not reach 30.0Hz
the instrument displays the screen beside