The electronic single-phase meter GEM has been developed for the measurement of active energy in 50 Hz and 60 Hz networks. Meter complies with standards IEC 62052-11 and IEC 62053-21 requirements for accuracy class 1.0.
GEM meter has LCD register for the display of active energy in one tariff. Meters register active energy irrespectively of energy direction, i.e. the registration takes place on the same register at +A. The pulse outputs for LED and electrical test output are active in both energy directions, too.

Meter operates in singe-phase electricity networks and independently from current flow direction measure: 

• Active energy with accuracy class 1.0 or 2.0 (IEC 62053-21)

GEM meter has non-volatile memory, which allows to store metering data without influence of power outages.

Communications

Meter has optical communication interface in accordance with IEC 62056-21. Optical communication interface allows the user to read data from the meter in the field or in the workshop.

Display

The meter is equipped with LCD (Liquid crystal display). LCD contains 8 digits: 8-5 for whole numbers and 0-3 digits for decimal numbers. Decimal point can be programmed only in the factory. LCD displays:

• Measuring energy value and dimension;
• Reverse current flow;
• Meter malfunction;
• Load and communication indication.