Safety Notes
6
This instrument is designed to conform to IEC 61010 Safety Standards and has been thoroughly
tested for safety prior to shipment. However, using the instrument in a way not described in this
manual may negate the provided safety features.
Before using the instrument, be certain to carefully read t
he following safety notes:
To ensure safe operation of measuring instruments, IEC 6
1010 establishes safety standards for various
electrical environments, categorized as CAT II to CAT IV, and called measurement categories.
This instrument conforms to the safety requir
ements for CAT IV 600 V measuring instruments.
Safety Notes
Mishandling the instrument could result in bodily injury or even death, as well as
damage to the instrument. Familiarize yourself with the instructions and precau-
tions in this manual before using the instrument.
Protective gear
This instrument is measured on a live line. To prevent an electric shock, use
appropriate protective insulation and adhere to applicable laws and regulations.
Measurement categories
• Using a measuring instrument in an environment designated with a higher-
numbered category than that for which the instrument is rated could result in a
severe accident, and must be carefully avoided.
• Never use a measuring instrument that lacks category labeling in a CAT II to
CA
T IV measurement environment. Doing so could result in a serious accident.
CAT II: When directly measuring the electrical outlet receptacles of the primary electrical circuits in
equipment connected to an AC electrical outlet with a power cord (portable tools, house-
hold appliances, etc.).
CAT III: When measuring the primary electrical circuits of h
eavy equipment (fixed installations) con-
nected directly to the distribution panel, and fe
eders from the distribution panel to outlets.
CAT IV: When measuring the circuit from the service drop to the service entrance, and to the power
me
ter and primary overcurrent protection device (distribution panel).
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