AEMC 275HVD - Low Voltage Testing

Non-Contact, High Voltage Detector 275HVD 13
After checking the 275HVD and ensuring its good operation, select the
test range. It is recommended to start with a lower setting than the actual
working voltage, and then to try again with higher settings. The user may
also consider using lower settings to check for lower voltages on a con-
ductor.
With the 275HVD at the end of a hot stick, move towards the live conduc-
tor until its warnings are triggered.
TE
ST
OFF
240V
2kV
6kV
11kV
22kV
3
3k
V
132kV
2
7
5
k
V
Hot Stick
4.5 Low Voltage Testing
See Warning on Page 5 & 6
The 275HVD Non-Contact High Voltage Detector works by proximity. The
275HVD is not designed to be in physical contact with live conductors. Its
sensordetectstheradiatedeldthatsurroundsliveconductors.
Do not touch live conductors with the 275HVD
Non-Contact High Voltage Detector.
Radiatedeldstrengthincreaseswithvoltageanddecreasesquicklywith
distanceand/orgroundshielding.Theradiatedeldfromacablewhere
conductors supplying three-phase power are close together, tends to
cancel out (See § 4.2). Detecting distance of a 250VAC single live wire
is about 4" (10cm). When grouped with neutral and ground wires, as in a
exiblecable,thedistanceisreducedto2"(5cm)orless.
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