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Hioki 3143 接地电阻测试仪

Ground resistance :20.0 to 49.9 ohm (±10 % rdg.), 50.0 to 500.0 ohm (±5 % rdg.)
Principle of operation :Voltage comparison method (Measurement of voltage at loop impedance serial resonance)
Open circuit voltage: 0.9 V ACpeak typ. Testing current: 3.6 mA AC max. with terminals shorted, Testing frequency: 100 kHz to 1.5 MHz
Features : Energy saving mode, Resonance indicator, Battery check
Power consumption     LR6(AA) alkaline batteries × 4, Continuous use: 8 hours
Dimensions and mass :155 (6.10in) W × 98 (3.86in) H × 49 (1.93in) D mm, 380g (13.4oz)
Supplied accessories : MEASUREMENT CABLE 9265 (black 1 m (3.28 ft), red 20 m (65.62 ft), one each; CABLE WINDER × 1), LR6(AA) alkaline batteries × 4, CARRYING CASE 9338 × 1

 

Details

Tags: máy đo điện trở đất, đồng hồ đo điện trở đất

Ground resistance meter
Say goodbye auxiliary grounding rods with the 3143
  • Measure ground resistance on paved roads
  • Auxiliary grounding rods not necessary
  • Large digital display for easy viewing
  • Soil-resistant design and superior durability
The 3143 was developed based on the technologies of the NTT East Japan Technology Strengthening Center.

Notes on Usage:
The 3143 is particularly useful for measuring the earth resistance of single rod electrodes found among aerial transmission line equipment and various types of safety box circuits, and incorporates a measurement principle that is different from that of the Earth HiTESTER 3151.
 
 
Basic specifications (Accuracy guaranteed for 1 year)
Ground resistance 20.0 to 49.9 ohm (±10 % rdg.), 50.0 to 500.0 ohm (±5 % rdg.)
Principle of operation Voltage comparison method (Measurement of voltage at loop impedance serial resonance)
Open circuit voltage: 0.9 V ACpeak typ. Testing current: 3.6 mA AC max. with terminals shorted, Testing frequency: 100 kHz to 1.5 MHz
Features Energy saving mode, Resonance indicator, Battery check
Power consumption LR6(AA) alkaline batteries × 4, Continuous use: 8 hours
Dimensions and mass 155 (6.10in) W × 98 (3.86in) H × 49 (1.93in) D mm, 380g (13.4oz)
Supplied accessories MEASUREMENT CABLE 9265 (black 1 m (3.28 ft), red 20 m (65.62 ft), one each; CABLE WINDER × 1), LR6(AA) alkaline batteries × 4, CARRYING CASE 9338 × 1

DOWNLOAD CATALOG

MANUAL  3143

  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化

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