The meter is designed for metering active electrical energy in three-phase 4-wire AC networks. Made on a modern element base, meets the requirements of ГОСТ 30207-94, ДСТУ ІЕС 62052-11:2012, ДСТУ ІЕС 62053-21:2012, certified in UkrSEPRO system and entered in the State Register of Measuring Instruments of Ukraine No. U1888.
Three-phase electronic watt hour meter “Meridian ЛТЕ – 1.03 ТВУ4”
Meter properties:
- The ability to connect wires with a cross-section of up to 25 mm2 (single and multi-core)
- Reliable accounting when changing phasing (current reversal)
- Telemetry output
- Indicator emits pulses synchronously with the telemetry output
- Indication of the presence of voltage in each phase
- Indication of the presence of a load in each phase
- Reverse current indication
- Phase sequence failure indication
- Possibility of connection via current transformers
- Ability to connect to ASKUE
- DIN rail mounting
Specifications
| Name of parameter | Value |
| Accuracy class | 1.0 |
| Rated voltage(Ur), V | 3х220/380 |
| Working voltage | (0,65 - 1,15) Uн, або (–35 - +15) % Uн |
| Rated (maximum) current, А | 5 (100) |
| Sensitivity threshold, А | 0,008 |
| Rated frequency, Hz | 50 |
| Power consumed by the voltage circuit, W (V · A) | 3х1,0 (2,0) |
| Total power consumed by the current circuit, B · A 3x0.1 | 3х0,1 |
| Constant, imp./kWh | 2000 |
| Digit counting weel mechanism | 7 |
| Protection degree according to ГОСТ 14254 | IP54 |
| Operating temperature range, °С | from – 40 to + 70 |
| Dimensions, mm | 247х172х75 |
| Weight, kg | 1,8 |
| Time between failures, h | 250 000 |
| Verification period, y | 16 |
| Service life, y | 30 |
| Warranty period, y | 5 |
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