power meter test, meter calibration, test watt hour meter

MT-3551T Power Meter Tester

It is multi-functional in field testing for power meters and metering units of all wirings. Testing functions include: metering unit and power meter. With these function, it is widely used in power utility, substation, telecom machine room and the alike for power consumption examination, circuit breakage inspection, power abnormality analyzing, asset management and industrial production management.

MT-3551T Three Phase Meter Tester_catalog V1.3

Description

Features

Function

Technical Specification

Features

Smart, portable and easy touch-screen (TFT) operation
Single-phase and three-phase measurement, two in one
Combination of electricity meter tester and power quality analyzer
Online monitor for real-time data testing and comparison
Safe and quick measurement for electricity anti-theft
Test result playback on screen and transferable to PC for report printing
User-friendly interface and vivid screen display, simplify on-site testing power meters

Scanning Head for MT-3551T Power Meter Tester:

Function

Functions	Description
Meter measurement	Three phase metering unit Three phase power meter Single phase metering unit Single phase power meter High-volt power meter
CT ratio	Test CT ratio and phase deviation
Online monitor	1) Active energy, reactive energy, harmonic active, harmonic reactive and power factor in low-volt with load 2) Active energy, reactive energy, harmonic active, harmonic reactive, power factor of power meter in different voltage rate. 3) Fundamental harmonic and all harmonics loads
Harmonic	1-50 current harmonics and voltage harmonics, THD, harmonic content
Wire connection	Help judge if wire connection with meter is correct or not.

Technical Specification

Voltage signal input: Direct input

Resistance: >2MΩ, 20pF
Testing range: 10~700Vrms
Peak voltage: 1000V
Power consumption: <0.5VA/phase

Current input circuit

Indirect input, with different current clamps
Testing range: 20Arms, 500Arms, 1000Arms
Power consumption: <2.0VA/phase

Frequency range: 40 Hz ~70Hz
Measurement accuracy: 0.5
Screen and memory

Screen: 640×480, 3.5’ TFT LCD touch-screen
Internal Memory: 16 MB Flash
External Memory:4GB
Com port: USB port

Power supply: Rechargeable Li-ion battery
Workable for 5~6 hours

Power adaptor: AC100~240V/DC16.8V-1A adaptor
Main unit: 0.7kg, 277×169×36mm
Working temperature: -20~40℃
Relative humility: 5~90%RH

Insulation: >2MΩ, AC1500V/50Hz, 1 min

Item	Range	Accuracy
Voltage	10～700Vrms	±0.3%
Current	Optional for5A,10A, 20A, 60A, 100A, 500A and 1000A CT	±0.3%
Frequency	40～70Hz	±0.01Hz
Phase	0～360°	±0.5°
Active power	———–	±0.5%
Reactive power	———–	±1.0%
Active energy	———–	±0.5%
Reactive energy	———–	±1.0%
Power factor	0.00～1.00	±0.005
Harmonics	Voltage harmonics: 1～50 Current harmonics:1～50	Volt harmonics: ±0.2(%f) Current harmonics:±0.2(%f)
Impulse constant	FL = 36000×(5/Ie)P/kW·h Ie: CT range

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