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Sonel MRU-200-GPS 接地电阻测试仪

  • 制造商: SONEL
    Model: MRU-200-GPS
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- Manufacture: Sonel
- Model: MRU-200-GPS

Measurement of continuity of equipotential bondings and protective conductors (Rcont)
measurement range to IEC 61557-4:2007: 0,13 Ω...1999
Range/Resolution
0,00...9,99 Ω/0,01 Ω
10,0...99,9 Ω/0,1 Ω
100...1999 Ω/1 Ω
Accuracy:±(2% m.v. + 3 digits
• measurement current: under short circuit >200mA
• frequency of measurement current: 125 Hz (for networks 50 Hz) and 150 Hz (for networks 60 Hz)
Measurement of earthing resistance (method 3- and 4-pole)
measurement range to IEC 61557-5:2007: 0,53 Ω...9999 Ω (dla 50 V)
Range/    Resolution/    /Accuracy
0,00...19,99 Ω/    0,01 Ω/    ±(3% m.v. + 3 digits)
20,0...199,9 Ω/    0,1 Ω/    ±(3% m.v. + 3 digits)
200,0...1999 Ω/    1 Ω/    ±5% m.v.
2000...9999 Ω/    1 Ω/    ±8% m.v.
• measurement current: under short circuit >20 mA,
• voltage on open terminals: selectable 25 V AC or 50 V AC,
• frequency of measurement current: 125 Hz (for networks 50 Hz) or 150 Hz (for 60 Hz).
Measurement of multiple earthing esistance with using the clamp and auxiliary electrodes (3p + clamp)
Range/    Resolution/    Accuracy
0,00...19,99 Ω/    0,01 Ω/    ±(3% m.v. + 3 digits)
20,0...199,9 Ω/    0,1 Ω/    ±(3% m.v. + 3 digits)
200...1999 Ω/    1 Ω/    ±5% m.v.
2000...9999 Ω/    1 Ω/    ±8% m.v.
• voltage on open terminals: selectable 25 V AC or 50 V AC,
• measurement current: under short circuit >20 mA,
• frequency of measurement current: 125 Hz (for networks 50 Hz) and 150 Hz (for networks 60 Hz)
 
Measurement of resistance of auxiliary electrodes RH i RS
Range/    Resolution
0...999 Ω/    1 Ω
1,00k...9,99 kΩ/0,01 kΩ
10,0k...19,9 kΩ/0,1 kΩ
Accuracy:±(5% m.v.+ 8 digits)
 
Measurement of multiple earthing resistance with using double clamps
Range/    Resolution/    Accuracy
0,00...19,99 Ω/    0,01 Ω/    ±(10% m.v. + 8 digits)
20,0...99,9 Ω/    0,1 Ω/    ±(20% m.v. + 3 digits)
• frequency of measurement current: 125 Hz (for networks 50 Hz) and 150 Hz
  (for networks 60 Hz)
Measurement of ground resistivity
Measurement method: Wenner, ρ=2πLRE
Range/    Resolution
0,00...9,99 Ωm/    0,01 Ωm
10,0...99,9 Ωm/    0,1 Ωm
100...999 Ωm/    1 Ωm
1,00...9,99 kΩm/    0,01 kΩm
10,0...99,9 kΩm/    0,1 kΩm
100...999 kΩm/    1 kΩm
Accuracy : depending on measurement accuracy RE with 4p method, but not less than ±1 digit
L – distance between probes: 1...50 m.. or 1...150 ft
Electric security:
•    type of insulation: double, according to EN 61010-1 i IEC 61557,
•    mesurement category: CAT III 300V wg EN 61010-1,
•    protection class acc. to EN 60529: IP65,
•    Dimenstion : 200x150x74 mm.
 

详细

Datasheet

•    earthing resistance using auxiliary electrodes,
•    earthing resistance using auxiliary electrodes and clamp (for measurements of multiple earthing),
•    earthing resistance using double clamps (for measurement of earthing when it is impossible to use auxiliary electrodes),
•    ground resistivity (Wenner method),
•    conductors (meeting the requirements IEC 60364) with auto-zero function – with current 200mA.
Additionally:
•    measurement of resistance of auxiliary electrodes RS and RH,  
•    measurement of interference voltage,
•    measurement in the presence of interference voltage in the power network                        
•    selection of maximum measuring voltage (25V and 50V),
•    introducing the distance between the electrodes for the resistivity in metres (m) and feet (ft),
Range/    Resolution/Accuracy
0...100 V/1 V/±(10% m.v. + 1 digit)

Catalog - 2019

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