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Technological Development Zone, Hangzhou






Comply IEC62057 Test equipment, techniques and procedures for electrical energy meters, IEC62053 Electricity metering equipment, DLMS (Device Language Message Specification) or COSEM (Companion Specification for Energy Metering).
● Warm up ● Basic error test ● Standard deviation
● Repeatable test ● Latent test (no load) ● Initial test (starting test)
● Voltage influence ● Frequency influence ● Deviation test for 24 hours
● Harmonic test ● Unbalance voltage test ● Unbalance current test