The meters are designed for active electric energy measurement in two-wired AC networks.
The meters are designed for indoor operation and can be installed in the areas with additional environmental protection (installed inside premises, cabinets or boards).
The meter modifications are available with different rated and peak current, and additional functionalities which are not related to metrological perfomance.
|Meter accuracy class||
|Rated voltage, V||
|Base/peak current, A||
|Peak current during 10 ms||30*I max|
|Starting current, А||
|• for meters with base current 5 А||0.02|
|for meters with base current 10 А||0.04|
GOST R 52320, GOST R 52322
State registers of Russia and CIS countries
|Active/total power consumption in each meter voltage circuit at rated voltage, W/V*A||2 / 10|
|Total power consumed by each current circuit, max, V*А||0.1|
|Calibration interval, years||16|
|Warranty period, years||3|
|Mean time between failures, min, h||150,000|
|Operating temperature range, °C||-40 to +55|
|Weight, max, kg||0.35|
|Dimensions (LхWхH), mm||105x105x64|
— Digital measurement of electrical energy.
— There are no magnet sensitive elements in measuring circuits and power supply system.
— Counter with anti-reverse mechanism and magnetic field protection.
— Electrical energy measurement ‘per module’, readings increase at any phasing of the connected circuits.
— Small-size housing with a universal bracket for DIN-rail mounting.
Mercury 201.7, 201.8
Table of commercially available meters modifications.
|Modification||Indication device||Nominal/ maximum current, А||Interfaces, relay|
|Mercury 201.5||Stepper motor||5(60)||
|Mercury 201.6||Stepper motor||10(80)||
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