Product Details:
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Application Field: | Lab, Power Company, Meter Manufacturer | Test Function: | Basic Error, Start Test, Creep Test.... |
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Meter Type: | Electro-mechanical, Electronic, Close Link | Accuracy Class: | 0.02, 0.05, 0.1 |
Voltage Range: | 1-450V | Current Range: | 1mA-120A |
Output Stability: | 0.05%, 0.02% | Distortion: | Less Than 0.5% |
High Light: | 0.02 Class 450V Energy Meter Test Equipment,0.02 Class Energy Meter Test Equipment,450V PWM Electric Meter Testing Equipment |
Single & Three Phase Meter Test Bench MCTB20B
Technical Parameters
Accuracy class | 0.05, 0.1 (optional) |
Output Voltage | |
Range | 3*(1-450V) (P-N) |
Resolution | 0.01% |
THD | <0.5% |
Accuracy & Stability | 0.05% or 0.02% |
Capacity | ≥ 800VA/phase (20 positions) |
Current output | |
Range | 3* (1mA~ 120A), maximum can be 200A |
Resolution | 0.01% |
Distortion | <0.5% |
Accuracy & Stability | 0.05% or 0.02% |
Capacity | ≥ 2500VA/phase (20 positions) |
Phase angle | |
Adjustment range | 0° ~ 360° |
Resolution | 0.01° |
Frequency | |
Range | 45-65HZ |
Resolution | 0.01HZ |
Other parameters | |
Different value of each phase voltage and average value | <0.5% |
Different value of each phase current and average value | <1% |
Time base | 1 ~ 9999s |
Insulation between Voltage circuit vs. Current circuit, Between circuits vs. Earth | ≥ 5MΩ |
Power supply | 220V or 3×240V/415V±10%, 50/60Hz±10% |
Ambient conditions | 50C ~ 400C / up to 90% RH |
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
Voltage Source Output Ranges: 3 x (0-380V) P-N Resolution: 0.01% Distortion: ≤ 0.5% Output Stability: ≤0.05% /3minutes Output power: more than 800VA per phase Setting accuracy of amplitude: 0.05% |
Current source: Output range: 3 x (1mA ~ 120A) Resolution: 0.01% Distortion: ≤ 0.5% Output Stability: 0.05%/3minutes Capacity: more than 2800VA per phase Setting accuracy of amplitude: 0.05% |
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Output Phase angle: Adjustment range: 0° ~ 360° Resolution: 0.01° Setting accuracy: 0.05° |
Output frequency Adjustment range: 45Hz ~ 65Hz Resolution: 0.01Hz
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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
Parameters | Measuring range | Resolution | Accuracy |
Voltage phase-neutral | 1V ~ 576V | 6 valid digits | 0.05% or 0.02% (10-576V) |
Current | 3 x (1mA ~ 120A) |
6 valid digits |
0.05%or0.02%(10mA-120A) |
Active & Apparent Power / Energy | 40V ~ 576V / 10mA ~ 120A | 6 valid digits | 0.05% or 0.02% |
Reactive Power / Energy | 40V ~ 576V / 10mA ~ 120A | 6 valid digits | 0.1% or 0.05% |
Power factor (PF) | -1.0 ~ +1.0 | 6 valid digits | ±0.0005 |
Phase angle | 0 º ~ 360º | 6 valid digits | 0.02º (10-576V,10mA-120A, sine wave) |
Frequency | 40Hz ~ 70Hz | 6 valid digits | 0.005% |
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)
100A | 50A | 25A | 10A | 5A | 2.5A | |
480V | 4x105 | 8x105 | 1.6x106 | 4x106 | 8x106 | 1.6x107 |
240V | 8x105 | 1.6x106 | 3.2x106 | 8x106 | 1.6x107 | 3.2x107 |
120V | 1.6 x106 | 3.2x106 | 6.4x106 | 1.6x107 | 3.2x107 | 6.4x107 |
60V | 3.2x 106 | 6.4x106 | 1.28x107 | 3.2x107 | 6.4x107 | 1.28x108 |
1A | 0.5A | 0.25A | 0.1A | 0.05A | 0.025A | |
480V | 4x107 | 8x107 | 1.6x108 | 4x108 | 8x108 | 1.6x109 |
240V | 8x107 | 1.6x108 | 3.2x108 | 8x108 | 1.6x109 | 3.2x109 |
120V | 1.6x108 | 3.2x108 | 6.4x108 | 1.6x109 | 3.2x109 | 6.4x109 |
60V | 3.2x108 | 6.4x108 | 1.28x109 | 3.2x109 | 6.4x109 | 1.28x1010 |
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)
Contact Person: Mr. Tony Han
Tel: 86-15237157117
Fax: 86-371-55692730