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MPI-502多功能仪表电气装置

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  • 公司名称珠海康宝莱仪表有限公司
  • 品       牌
  • 型       号MPI-502
  • 所  在  地
  • 厂商性质其他
  • 更新时间2022/12/19 16:04:55
  • 访问次数469
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MPI502 Short circuit loop parameters measurements: - measurements of short circuit loop impedance in networks with rated voltage: 220/380V, 230V/400V, 240/415V and frequency 45...65Hz, - measurements
MPI-502多功能仪表电气装置 产品信息
  • Short circuit loop parameters measurements:
    - measurements of short circuit loop impedance in networks with rated voltage: 220/380V, 230V/400V, 240/415V and frequency 45...65Hz,
    - measurements of short circuit loop impedance with current 15mA without tripping the circuit breaker.
  • Testing the RCD breakers of AC, A types:
    - testing of prompt, short-delay (general) and selective RCDs for the rated current values 10, 30, 100, 300, 500mA,
    - IA measurement
    - RE and UB measurement without tripping the circuit breaker,
    - extended RCD test function AUTO, with measurement of ZL-PE with current 15mA - measurement of IA and tA during one RCD tripping.
  • Detection of the replacement L and N in the socket and automatic conversion in the meter.
  • Low voltage resistance measurements of protective circuits and junctions:
    - measurement of resistance with 200 mA current
    - calibration of test leads - possibility of using any length of test leads,
    - low current resistance measurement with accoustic signalling
  • Rapid check for the correct connection of PE wire using touch electrode.
  • Measurement of mains voltage and frequency.
  • Power supply from LR6 batteries or NiMH accumulators (option).
  • The device meets the requirements of IEC 61557 standard.
MPI-502 Technical Specifications
 

The device meets the requirements of EMC standards EN 61326-1:2006 and EN 61326-2-2:2006.
Electric safety:
- type of insulation: double, according to EN 61010-1 and IEC 61557
- measurement category: IV 300V (III 600V) according to EN 61010-1
- protection class acc. to  EN 60529: IP67

Other technical data:
- dimentions: 220 x 98 x 58mm
- weight: ~1kg
- Auto OFF time: 300, 600, 900 second
- number of measurements Z and RCD (for NiMH batteries): >5000 (2 per minute)

Short circuit loop impedance measurement ZL-PE, ZL-N, ZL-L
Measurment using 7,6/13,3A current – Measurement range according to
IEC 61557: 0,13...1999Ω
(for 1,2m lead)  and 0,19...1999Ω (for WS-01 and WS-04).

Display range Resolution Accuracy
0,00...19,99Ω 0,01Ω ±(5% m.v. + 3 dgt)
20,0...199,9Ω 0,1Ω
200...1999Ω

• Nominal work voltage: UnL-N/ UnL-L: 220/380V, 230/400V, 240/415V,
• Voltage operating range: 100…264V (for ZL-PE i ZL-N) and 100…440V (for ZL-L),
• Nominal network frequency fn: 50Hz, 60Hz,
• Max. test current: 23A (230V), 44A (440V),
• PE terminal connection corectores check with the help of touch electrode

Readings of fault loop impedance R and fault loop reactance  XL     
 

Display range Resolution Accuracy
0,00...19,99Ω 0,01Ω ±(5% m.v. + 5 digits) of ZS value 
20,0...199,9Ω 0,1Ω

calculated and displayed for ZS<200Ω.

Short circuit loop impedance ZL-PE  in mode  RCD – without RCD tripping        
Measurement using <15mA,current measurement range in accordance with IEC 61557:   0,51...1999,9Ω

Display range Resolution Accuracy
0,00...19,99Ω 0,01Ω ±(6% m.v. + 10 dgt)
20,0...199,9Ω 0,1Ω ±(6% m.v. + 5 dgt)
200...1999Ω

• test without tripping the RCD for IΔn ≥ 30mA,
• nominal work voltage: Un: 220V, 230V, 240V,
• voltage operating range:180...270V,
• frequency operating range fn: 50Hz, 60Hz
• PE terminal connection correctness check with the help of touch electrode

Readings of fault loop impedance R and fault loop reactance  XL (without tripping the RCD)

Display range Resolution Accuracy
0,00...19,99Ω 0,01Ω ±(6% m.v + 10 dgt) of ZS value
 
20,0...199,9Ω 0,1Ω ±(6% m.v + 5 dgt) of ZS value

• calculated and displayed for ZS<200Ω.

RCD parameters test (voltage range 180...270V):
RCD tripping test and measurment of tripping time tA (for tA function)

Breaker Type Test Current
Multiplier
Range Resolution Accuracy
Standard  0,5*IΔn 0...300ms

1 ms



± (2% m.v. + 2 dgt)

 

1*IΔn
2*IΔn 0...150ms
5*IΔn 0...40ms
Selective 0,5*IΔn 0...500ms
1*IΔn
2*IΔn 0...200ms
5*IΔn 0...150ms

• Precision of the differential current:   0,5*IΔn:-8...0% for 1*IΔn, 2*IΔn, 5*IΔn: 0...8%

Voltage measurement

Range Range Accuracy
0,0V...299,99V 0,1V ±(2% m.v. + 6 dgt)
300V...500V 1V ±(2% m.v + 2 dgt)


Frequency measurement

Range Range Accuracy
45,0V...65,0Hz 0,1Hz ±(1% m.v. + 1 dgt)

 

Touch voltage measurement referred to the rated residual current (UB)
Range Resolution Test
Current
Accuracy
0..9,9V 0,1V 0,4 x IΔn 10% m.v. ± 5 dgt
 
10,0..99,9V 0...15%  m.v.

Measurementof the RCD disconection current IA for sine waveform testing current

Selected
Current
Range  Resolution Test
Current 
Accuracy
10mA 3,3...10,0mA 0,1mA 0,3 x IΔn...1,0 x IΔn ±5%IΔn
30mA 9,0...30,0mA
100mA 33...100mA 1mA
300mA 90...300mA
500mA 150...500mA
•  It is posible to start the  measurement from the positive or negative half of the forced leaking current

RCD IA tripping current measurement for unidirectional pulsating residual current
 

Selected
Current
Range  Resolution Test
Current
Accuracy
10mA 4...20,0mA 0,1mA 0,35xIΔn..2,0xIΔn ±10%IΔn
30mA 12,0...42,0mA 0,35xIΔn..1,4xIΔn
100mA 40,0...140mA 1mA
300mA 120...420mA

• Measurement is possible for a positive or negative forced leakage current.

Low voltage test of the circuit and insulation continuity
Measurement range in accordance with IEC61557:0,12...400Ω
Test of PE wire continuity using a ±200mA current

Range Resolution Accuracy
0,00...19,99Ω 0,01Ω ±(2% m.v + 3 dgt)
20,0...199,9Ω 0,1Ω
200...400Ω
• Voltage on open terminals: 4…9V,
• Test current at R<2Ω: min. 200mA,
• Autocalibration of test leads
• Measurements for both polarizations of the current

„m.v.” measured value.


 
15700104732
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