1.2
Definition of Measurement Categories
Cat. IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripple control units, or meters.
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. II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
on household appliances or portable tools.
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.
Thermo-Hygrometer Model CA846
3