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6 | Electronic Multimeter - MMW03
1 GENERAL FEATURES
MMW03 is designed to measure current, voltage and frequency parameters in 3-phase systems.
Product Name Definition Order No.
MMW03 Electronic Multimeter 14386964
1.1 PROPER USE AND SAFETY CONDITIONS
Installation and wiring must be performed by authorized technicians in accordance with the instructions in
the user manual. Do not commission the device before proper wiring;
Make sure the device is de-energized before connecting to the mains;
Short circuit the k-l terminals of the current transformer in another location before disconnecting the
current transformers. Failing to do so will cause dangerous high voltages in the secondary terminals of
the current transformers;
Use a dry cloth to clean the device. Do not use alcohol, thinner or any abrasive materials;
Make sure all wiring is properly made before commissioning the device;
Do not open the device. There are no serviceable parts by the user;
Keep the device away from humidity, water, vibrations and dust.
CAUTION!
The manufacturing company may not be kept responsible for unfavorable incidents that arise out of the failure to follow the
above cautions.
1.2 GENERAL VIEW & CONNECTIONS
V1 V2 V3 I1 I2 I3 SEQ
I1
I2
I3
1
2
3
V
F
Hz
A
A
A
MMW03
Figure 1.1: Display
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