Portable Three Phase Reference Standard Meter MCST01
Features:
- With 7” LCD display which can display all test parameters, vector, harmonics distortion and set parameters
- Touch screen to be convenient for operation.
- With optical sensor (scanner) to sense energy recorded automatically from calibration LED/LCD, also sensor with snap switch
- Can directly test voltage, current, power, phase, frequency and error at the same time, and voltage and current range can auto-switch.
- Can do real-burden test of 3 phase 4 wire, 3 phase 3 wire and various reactive energy meter (Q90,Q60)
- With basic wave test mode, can do test of basic wave meter
- With two energy pulse input port, can test two meters at the same time, also can do test of active and reactive meter at the same time.
- Can set energy constant
- With automatically rounding error function according to accuracy class of energy meter.
- Can test CT ratio, ratio error, angle error and polarity.
- CT/PT Ratio can be multiplied with meter constant while doing pulse test when necessary
- Can test temperature and humidity of working conditions
- Can analyze 0-51st harmonic wave and can test harmonic content, amplitude value and phase, displayed by histogram.
- Display waveform, with zoom function.
- Clamp 5A、10A、100A、200A、500A、1000A and 2000A are optional, and can equip three kinds of clamp at the same time
- Automatically indentify current in-connection mode and no need to set by user
- Can do energy accumulation (dial test)
- Colorful vector graphics display to meet customers’ user habit
- Can indentify incorrect connection of 3 phase 3 wire, 3 phase 4 wire at worksite.
- Can save 1000pcs test records and can upload to PC. Support RS232 /USB communication. Also can receive the test plan from PC.
- Can extend the test: PT secondary pressure drop, PT secondary load and CT secondary load (optional)
- Power supply: 45-450V, 50HZ. Also can choose battery with continuous working 8 hours
Parameter Displayed:
- Instantaneous per phase voltage for 4 wire and line voltage for 3 wire
- Instantaneous phase current
- Individual and total active (Fundamental+Harmonics) Power/Reactive and Apparent power
- Instantaneous per phase power factor in lag/lead
- Instantaneous total three phase power factor lag/lead
- Instantaneous per phase and total active, reactive, and apparent energy
- Instantaneous Frequency
- Phase sequence of voltage and current
- Time & Date
Technical Index:
Direct mode: 1mA-10A, 120% adjustable, automatically switching in 0.01A-6A
Clamp (optional) mode: 5A、10A、100A、200A、500A、1000A、2000A, 3000A
- Voltage Range: 30-560V, automatically switching in 60V,120V, 240V, 480V
- Accuracy class & Display Resolution
Item
|
Accuracy class
|
Resolution
|
Direct mode
|
Clamp mode
|
Voltage
|
0.05%
|
0.05%
|
0.001
|
Current
|
0.05%
|
0.2%
|
0.0001(1A)
0.001(5A)
0.01(100A)
0.1(1000A)
|
Active, Apparent Power/Energy
|
0.05%
|
0.2%
|
00.0000(can be better)
|
Reactive Power/Energy
|
0.1%
|
0.4%
|
Frequency
|
±0.01HZ
|
0.001HZ
|
Phase Angle
|
±0.05°(current input>10%Ib)
|
0.001°
|
Error
|
0.001
|
Inst.Load(kW/kVAr/Kva…)
|
0.000
|
- Phase Angle: 0.000°~360°(or 0.000°~±180°)
- Frequency Range:45-65HZ
- Input energy pulse:TTL, highest frequency≤2MHz。
- Power factor range: -1.000 to 0 to +1.000
- Output energy pulse: Rated range is 60KHz when automatic constant; Can set between 1-250000 when manually constant
- Temperature coefficient:5ppm。
- Low voltage input resistance:>750KΩ;
- Current input resistance:<0.05Ω;
- Accuracy of PT secondary pressure drop PT(90%~110%Un)
Angle error 0.2´;ratio error 0.02%;
- Power consumption:≤13VA;
- Working conditions:-10℃~40℃ , 30~80%RH;
- Weight:2-3Kg。