Operation Manual of DTS27 Three-phase Energy Meter
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2.3 Meter dimensions
MCU outline dimension: 285 mm×170mm×86mm
2.4 Ingress protection
The meter use insulating materials which substantially non-metallic, insulating, non-hygroscopic,
non-ignitable, having low dirt absorption properties and distortion free under reasonably high
temperature. The test is carried out with the prepayment watt-hour meter manufactured by Shenzhen Star
Instrument Co., Ltd in accordance with IEC60529-4. The test result: IP54.
2.5 Resistance to fire
Fire retardant rating: V0 (all cases are made of heat resistant and flame retardant materials).
3. Metering principle
● Unit of active energy: kWh.
● Metering phasor diagram of three-phase energy meter:
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