Before Starting Source or Measurement
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IM CA150E
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App
3.4 Operating Environment
Operating Environment
Use the CA150 in the following environment:
Ambient temperature: 0 to 40°C
Ambient humidity:
20 to 80 % RH (no condensation)
Operating altitude:
2000 m or less
Indoors
Measurement Category
The CA150 is designed for measurement category O (Other).
WARNING
Do not use the CA150 for measurements in locations that fall under
measurement categories II, III, and IV.
Measurement Category
Measurement
Category
Description
Remarks
O
(None, Other)
Other circuits that are not directly
connect to MAINS.
Circuits not connected to
a mains power source.
CAT II
For measurement performed on
circuits directly connected to the
low-voltage installation.
Appliances, portable
equipment, etc.
CAT III
For measurement performed in
the building installation.
Distribution board, circuit
breaker, etc.
CAT IV
For measurement performed at
the source of the low-voltage
installation.
Overhead wire, cable
systems, etc.
3.4 Opereting Environment
