Terms In This Manual - Brymen BM859s User Manual

1) SAFETY
This manual contains information and warnings that must be followed for operating the
instrument safely and maintaining the instrument in a safe operating condition. If the
instrument is used in a manner not specified by the manufacturer, the protection
provided by the instrument may be impaired. The meter is intended only for indoor use.
The meter protection rating, against the users, is double insulation per
IEC/UL/EN61010-1 Ed.
IEC/UL/EN61010-031 Ed. 1.1
Category III 1000 Volts AC & DC and Category IV 600 Volts AC & DC.
Terminals (to COM) measurement category:
V / A / mAA : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.
Per IEC61010-1 2nd Ed. (2001) Measurement Category
Measurement Category IV (CAT IV) is for measurements performed at the source of
the low-voltage installation. Examples are electricity meters and measurements on
primary overcurrent protection devices and ripple control units.
Measurement Category III (CAT III) is for measurements performed in the building
installation. Examples are measurements on distribution boards, circuit- breakers,
wiring, including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed
installation, and equipment for industrial use and some other equipment, for example,
stationary motors with permanent connection to the fixed installation.
Measurement Category II (CAT II) is for measurements performed on circuits directly
connected to the low voltage installation. Examples are measurements on household
appliances, portable tools and similar equipment.

TERMS IN THIS MANUAL

WARNING identifies conditions and actions that could result in serious injury or even
death to the user.
CAUTION identifies conditions and actions that could cause damage or malfunction
in the instrument.
3.0, IEC/EN61010-2-030 Ed.
and CAN/CSA-C22.2 No. 61010-1-12 Ed. 3.0
1.0, IEC/EN61010-2-033 Ed. 1.0,
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