Definition Of Measurement Categories; Receiving Your Shipment; Packaging; Accessories - AEMC 3711 User Manual

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

Receiving Your Shipment

Upon receiving your shipment, be sure that the contents are consistent
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.

Packaging

The Model 3711 (Cat. #2117.60) and Model 3731 (Cat. #2117.61) are
shipped with a hard carrying case, one 9V battery (not installed), a user
manual with warranty registration and a field test loop. The manual,
warranty card, and test loop are located behind the "egg crate" foam on
the inside of the carrying case cover.

Accessories

Multiple Calibration Loop...................................................... Cat. #1223.01

Important Information - Proper Operation

The proper operation and measurement accuracy depends on the proper
jaw closing. For any measurement make sure that the jaw mating
surfaces are clean and that no foreign matter obstructs their closing.
Ground Resistance Tester Models 3711 and 3731
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