DTSD178 smart energy meter is designed and manufactured on the basis of stable power supply technology, and has adopted the advanced large-scale integrated circuits technology, experienced software algorithms, low power consumption design and SMT process according to the requirements of international standards.
Net metering （Import and export active power）
Four measuring elements
3 phase 4 wire or 3 phase 3 wire
Register 13 month of billing data
Maximum demand
Anti-tamper
The product is characterized by integrated functions of metering, display, communication, detection, etc. It provides with functions of metering the import and export active energy, the reactive energy of four quadrants and demand by time period accurately; metering voltage, current, active and reactive power, power factors, etc. of three phases; detecting and recording over/low voltage, over current, etc.; performing the function of remote and local meter reading, programming, etc. It is widely used in grid gateway, power plants, substations, comprehensive energy measurement and management of enterprises and institutions and TOU metering for industry users.
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Reference Voltage |
3×57.7/100V~3×240/415V |
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Current Rating |
3×1(10)A |
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Maximum Current |
10A |
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Reference Frequency |
50Hz |
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Variation in frequency |
±5% |
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Accuracy Class |
0.2s for active,2 for reactive |
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Starting Current |
0.1%In for active |
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Operating Voltage |
0.8Vref～1.1Vref |
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Meter Constant |
6400imp/kWh,6400imp/kVarh |
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Alarm Function |
Alarm indicator light |
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Power Consumption |
<1.5W(8VA) |
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Test for Immunity to Electrostatic Discharge (ESD) |
8kV(Contact ESD ) , 15kV(Air ESD ) |
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Fast Transient Burst Test |
4kV |
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A.C. High Voltage Test |
4kV |
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Impulse Voltage Test |
6kV |
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Lightning Protection |
≤4kV(between phase and neutral) |
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Communication |
Optical, RS 485, 2G/3G/4G |
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Environmental Temperature |
Operation range:-10℃～60℃ Limit range for storage and transport:-10℃～70℃ |
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Relative Humidity |
≤85% |
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Waterproof |
IP51 |
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Service Life |
10 years |