Meter Description - Extech Instruments MA610 User Manual

PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of OVERVOLT AGE CATEGORY I is equipment for connection to circuits in which measures are
taken to limit the transient over-voltages to an appropriate low level.
Note – Examples include protected electronic circuits.
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied from the fixed
installation.
Note – Examples include household, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.
Note – Examples include switches in the fixed installation and some equipment for industrial use with
permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation.
Note – Examples include electricity meters and primary over-current protection equipment
Description

Meter Description

1. Transformer current jaws
2. Jaw opening trigger
3. M (Mode) button
4. Backlit LCD
5. Control buttons (see descriptions below)
6. COM negative input terminal
7. Positive input terminal
8. Function selector
9. NCV alert lamp
10. Backlight button
11. NCV sensor
Note: Battery compartment is located on back of meter
d Quality Products Online at:
Fig. 1 – Meter Description
GlobalTestSupply
www.
4
MA610-en-GB_V1.0 12/16
.com
EXTECH INSTRUMENTS
sales@GlobalTestSupply.c