Thermo-Hygrometer Model CA846
3
1.2
Definition of Measurement Categories
Cat. I:
For measurements on circuits not directly connected to the AC
supply wall outlet such as protected secondaries, signal level,
and limited energy circuits.
Cat. II:
For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
on household appliances or portable tools.
Cat. III:
For measurements performed in the building installation at
the distribution level such as on hardwired equipment in fixed
installation and circuit breakers.
Cat. IV:
For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripple control units, or meters.
1.3
Receiving Your Shipment
Upon receiving your shipment, make sure that the contents are consis-
tent with the packing list. Notify your distributor of any missing items. If
the equipment appears to be damaged, file a claim immediately with the
carrier and notify your distributor at once, giving a detailed description of
any damage. Save the damaged packing container to substantiate your
claim.
1.4
Ordering Information
Thermo-Hygrometer Model CA846
..................................
Cat. #2121.24
Includes meter, shockproof holster, 9V battery and user manual.
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