450V Energy Meter Test Equipment , Lab Electric Meter Testing Equipment

Single & Three Phase Meter Test Bench MCTB20B

Technical Parameters

Features

1) PWM (Pulse width modulation) technology

2) Modular design allows customized configurations on hardware and software, customer-friendly

3) Perform all basic tests like warm up, creep test, start test, basic errors, standard deviation and etc.

4) Perform dial test with pulse counting & timing base with KWH value

5) Mode of tests: Fully-automatic, or manual operation by manual control touch screen (MCU)

6) Able to test all types of single phase and three phase mechanical meters, electronics meters, CT/PT

    operated meter, smart meter, closed-link meter, and etc..

7) Error calculation display with reset buttons on each meter position

8) Flexible Quick connector device (QCD) for convenient changeover from three phase meter

    to single phase meter

9) Black mark search & capture for rotation disk

10) Able to calibrate mechanical or electronics meters with different constant at the same time

11) Powerful PC software for data analyzing, waveform playback and detailed report exportation

12) Universal barcode input, and supports self-defined barcode

13) Smart solutions for calibration with updatable software

14) Temporary storage of data for later continued calibration

15) Test Records save in database with MDB format or other required format

16) Calibrate parameters including voltage, current of each phase, phase/phase difference,

      active/reactive/apparent power of each phase, total active/reactive/apparent power, total power factor,

      frequency, etc. with real time display of vector graph

17) Harmonic test 2-40 times and analysis/display of harmonic

18) With facilities to test apparent maximum demand recorded in meters and carry out the register test

      (the client should provide meter communication protocol for this function)

19) Self-testing function for all phases power, total power stability, symmetry of 3 phase voltage and current

20) PC software (communication by RS232) can realize MIS net interface connection function, can easily

      upgrade in the future if necessary

21) Protection: current open-circuit, voltage short-circuit and malfunctions, Auto protection & auto restore

22) Start & Stop button on power source

23) Alarm lights installed on top of power source

24) Can be independent set & output of each phase voltage & current, phase angle

MTB Comprising:

1) Three Phase Reference Standard Meter

2) Three Phase Power Source

3) Meter Mounting Racks

4) MCU (manual control unit, touch screen operation)

5) Scanning Heads

6) Error Processing & Calculation & Indication System

7) PC software, PC, printer, etc..

Technical Specifications

Three Phase Power Source

Other Features

1) With short circuit and overload protection in voltage circuit

2) With open circuit and overload protection in current circuit

3) With display to show operating ranges and load points and indication of fault in case of abnormality

4) With Provision ON/OFF current & voltage circuit

5) All parts including voltage/current source and reference standard meter mounted in closed cabinet

6) With ventilation and cooling fan for heat release

7) With locks on front and back side doors for protection

8) Front door with glass window to see display of touch screen and standard meter display

9) Time base: 1 ~ 9999s

10) Insulation between Voltage circuit vs. Current circuit, Between circuits vs. Earth: ≥ 5MΩ

11) Power supply: 240V or 3×240V/415V±10%, 50/60Hz±10%

12) Ambient conditions: Temperature 5⁰C ~ 40⁰C

13) Relative humidity: up to 90%

Three Phase Reference Meter

1. Accuracy class: 0.05 or 0.02

2. Measuring ranges & accuracy

3. Pulse output

Energy impulse output

Impulse frequency: FH=CH.P/3600(HZ); FL=FH/10000(HZ)

Output level: TTL

Table of Constant (for every inner voltage/current range)

4. Display (6 digits): voltage, current, active/reactive/apparent power, power factor, phase angle, frequency,

    waveform, vector diagram, harmonic analysis…etc

5. Interface: RS-232 and/or RS-485

6. Power Supply:240V±15%, 50Hz/60HZ±5%, power Consumption: ~ 20VA

7. Working Environment

    Temperature: 5⁰ C ~ 40⁰ C^; Relative Humidity: ≤ 90% Non-corrosive gases

8. Weight: ~ 7.5kgs

Meter Rack Configurations

Three Phase Test Racks (20 positions, two racks, one row)

Three Phase Test Rack

Number of positions: 20 (6, 8,10, 12, 16, 32, 40 also available for option)

Two emergency stop switch

Each position consist of: 1 QCD 6 pins + 1 scanning head + 1 meter mounting

+ 1 RS/232/485+1 optical probe (DLMS meter reading)+ communication port + 1 error display (4.5 digits)

+1 BNC pulse port + 1 RESET button + 1 Set of voltage cables+1 ICT

Provision for calibrating standard meter against higher level standard

One serial server

Isolated Current Transformer (ICT) specification:

Accuracy class: 0.01% (0.5C-1-0.5L)

Current Ratio: 1:1 (1mA-120A)

Current output: 3*(0.001-120)A (both primary and secondary)