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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Liason
  • Model Number: DTSY171
  • Display Type: Digital Only
  • Phase: Three Phase
  • Measuring Energy Range: 999999.9
  • Accuracy Class: Class 1
  • Output Voltage: 3x220/380V

Packaging & Delivery

Packaging Details Cartons
Delivery Time About 45 days


Prepaid Energy Meter DTSY171 Multi-Tariff
1. Prepaid IC card
2. Multi-Tariff

Prepaid Energy Meter DTSY171 Multi-Tariff



1. General

Applying microelectronic technology in measuring electricity and top brand components, DTSY171 electronic three-phase multi-tariff prepayment electricity meter (hereinafter called "meter") has low power consumption, high precision, security and high durability.

The meter has multi-tariff metering and monthly billing function. The infrared and RS485 communication provide necessary condition for power automation management.

The meter complies with IEC62053-21 active energy Class 1 and 2 international standards. Multi-tariff and prepayment function comply with GB/T15284-2002 and GB/T18460-2001.


2. Functions
2.1 8 digits LCD with backlight support manual and automatic display for real time Consumption, Balance, Voltage, Current, Power etc. Parameters.
2.2 Positive and negative active energy measurement in maximum 4 tariff, 12 daily tariff periods and 2 seasons.
2.3 Infrared communication port for reading and programming.
2.4 RS485 port for remote reading.
2.5 Reading and setting data through IC card
2.6 Monthly billing date.
2.7 Automatic switch off when credit use up.
2.8 Nonvolatile memory storage ensuring date non-loss during power off.
2.9 Overload protection by automatic switch off and overload record.
2.10 Self-diagnosis for load switch, E2PROM and IC card data.
2.11 Non-switch off period setting and emergency allowed energy setting.
2.12 Power on/off event records (last 5 times occurrence time)
2.13 Terminal cover open detection (latest 5 times opening and total times open record)
2.14 Audible and LED alarm for insufficient energy balance etc. Events.
2.15 External output for audible alarm (optional).
4. Technical parameters
4.1 Accuracy: Active Class 1 or 2
4.2 Reference voltage: 3*220~240V/ (380~415)V
4.3 Rated current: 3*5(20) A, 3*10(40) A, 3*15(60) A, 3*20(80) A, 3*20(100) A
4.4 Reference frequency: 50Hz
4.5 Starting current: Less than 0.004In (direct connected Class 1 meter)
Less than 0.003In (transformer connected Class 2 meter)
Less than 0.005In (direct connected Class 2 meter)
4.6 Creeping: With anti-potential logical design
4.7 Dimension: 278mm´ 174mm´ 77mm
4.8 Weight: Approx. 2.5 kg
4.9 Electrical parameters


Rated Voltage3× 57.7/100V, 3× 220/380V, 3× 230(400)V, 3× 240(415)V,
Reference frequency50Hz or 60Hz
Basic Current
(Maximum Current)A
3× 1.5(6)3× 5(20)3× 10(40)    3× 20(80)

Technical Data

Applicable StandardIEC 62053-21
Service Lifetime10 years
Accuracy ClassClass1, Class2
Working Temperature-25c~+55c
Starting currentClass 1≤ 0.004Ib; Class 2≤ 0.005Ib.
Starting current(CT)Class 1≤ 0.002In; Class 2≤ 0.003In
WorkingVoltage Range0.9~~1.1Un
Power consumption≤ 2W, 5VA
    Over voltage protection6kV
Relative humidity≤ 95%


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