Specifications single phase test bench

easy operation, user friendly

24 meter position, can extend another 24 meter position.

EMT-S3002 three-phase watt-hour meter testing device adopts internationally advanced new-generation digital power source technology, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration softwares. This device's power source uses MCU single chip microprocessor as its core technology and adopts various techniques as digital synthesis, digital frequency modulation, digital amplitude modulation, digital phase-shifting, pulse width modulation,etc. Its intelligent software makes it possible?for calibration to be?more easily and speedily.It complies?with the related standard of State Grid Corporation,?which can test?0.2 S level andlowerthree-phase watt-hour standardmeters, three-phase active/reactive watt-hour meters, three-phase multi-function watt-hour meters,?and?three-phase?intelligent?watt-hourmeters. ? ? Key technical parameters ? Test bench accuracy: Grade 0.05/0.1 ? Standard configuration: KP-3100 multi-function standard watt-hour meter, ? ???Accuracy: Grade 0.05/0.1 ? The clock test and configuration: KP-1012, accuracy:?2×10-7/s. ? Output voltage: 3×57.7/100/220/380V ;split-phase?adjustment?range:0-120%; adjustment fineness:?better than 0.01%. ? Output current: 3×0.1-100A (200A?optional),split-phase?adjustment?range:0-120%; adjustment fineness: better than 0.01%.??? ? Phase shift range:0-359.9°; adjustment fineness: 0.01° ? Frequency: 45Hz-65Hz; adjustment fineness: 0.01Hz ? Output waveform distortion: Both voltage and current≤0.5% ? Output voltage, current, and power stability:≤0.05% (180s) ? Output capacity (per phase) : Voltage: ≥15 VA/station; Current: ≥25 VA/station.?? ? Load characteristics: Resistive, inductive, and capacitive (less than 4uF) ? ?Harmonic output: 2nd-21st?harmonic,?content≤40%; 3rd, 5th, 7th, or any 3 harmonicssuperposition,?accumulative?content≤ 40% ; Odd harmonic:sub-harmonic. ? Starting current output:?0.3mA (Min); Accuracy: ≤5%; Starting power: Accuracy:≤5% ? Communication test: RS485 communication test, carrier communication test (optional), meanwhile,it supports DL/T 645-1997 and DL/T 645-2007 communication agreement. ? Number oftestedmeters: 16/32?(optional) ? Environmental conditions: working ambient temperature : 20 °C ± 5 °C; working ambient humidity:40%- 60% R.H. ? Output power: voltage (200VA-1000VA)per phase, current (200VA-1800VA)per phase ? ?Power supply: single-phase AC220V ±15%, input power:(2000-6000VA), frequency: 50±5% Hz. ? ? ? ?