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Unitariff meters
 SEO-1.19.702 PURPOSE AND FIELD OF APPLICATION The meters are designed for metering of active electrical energy in two-wire power circuits of alternating current with the frequency of 50Hz as well as for transmission of data to the controller’s office of information and measuring system for registration of electric energy consumption through communication lines.
The meter has two devices for current measurement – in the phase and null line, what ensures energy metering when current is available in any connection line. NORMATIVE AND LEGAL BACKING IEC 62052-11:2003 TECHNICAL DATA Quantity | Value | Nominal voltage, V | 230 | Fixed working voltage range, V | 198 - 253 | Extended working voltage range, V | 160 - 265 | Base (maximum) current, À, À | 5 (60) or 10 (100) | Rated frequency, Hz | 50 | Accuracy class | 1 or 2 | Starter current of the meter (sensitivity), À: | for base current 5 À | not more than 0,02 | for base current 10 À | not more than 0,04 | Transmission ratio of pulse output, pulses/kwh | 12800 or 16000 | Power consumed, V·A (W): | in voltage circuit | not more than 7 (1) | in current circuit | not more than 0,1 | Fixed working temperature range, 0Ñ | îò - 40 äî + 60 | Recalibration interval, years | 16 | Average error-free running time, h | not less than 140000 | Average service life, years | not less than 30 | Mass, kg | not more than 0,75 | Measurements, mm | 211õ134õ114 |
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