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Ideal 61-920 Ground Resistance Clamp Meter

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The 61-920 is a digital clamp-on ground resistance tester. The instrument can measure the ground resistance by simply clamping around the ground conductor, ground rod or equipment ground conductor

61-920 Ground Resistance Clamp Meter

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  • Larger Clamp Size (1.25")
  • Backlight
  • Ground resistance (0.1 to 1200Ω)
  • Ground leakage current to 30A
  • Ground continuity loop test
  • Audible alarm
  • Data Storage
  • Data hold
  • Calibration loop included
  • Resistance Accuracy: 1.5%
  • Leakage Current Accuracy: 2.0%
  • Auto-power off
  • Auto ranging
  • Cat III - 300V
  • 2-year warranty
  • Carrying case included
  • Saves up to 99 measurements

Technical Specifications

General specifications  
Characteristics Description
Display LCD with a maximum count of 2099 
Conductor Size Approximately 1.25” in diameter max.
Overrange Indication “OL”
Sampling Rate Approx once per second

Operating Environment:  

Relative Humidity

 14°F to 104°F 85% Relative Humidity
Storage Environment:  -4°F to 122°F at <75% relative humidity
Power source: 4 “AA” batteries 
Measurement time: Approx 24 hrs with alkaline batteries 
Low Battery Indicator: Symbol indicates low battery voltage
Auto power off Turns power off after 10 minutes of non-use 
Power Consumption 50mA 
Operating system Earth Resistance Function: Constant voltage injection, Current detection (Frequency appr. 2400Hz) dual integration AC current function: Successive approximation (TRMS)
Response Time  Earth Resistance function: Approx. 7 seconds Current Function: Approx. 2 Seconds
Location for use Altitude 2000m or less indoor/outdoor use
IP protection degree IP40
Electrostatic discharge immunity Performance criteria B 
Withstand Voltage  AC5320 Vrms/5 seconds Between the transformer jaws fitted parts and case enclosure (except for jaws)
Insulation Resistance  50Megohm or more at 1000v Between the transformer jaws fitted parts and case enclosure (except for jaws)
Applicable standards  IEC61010-1:2001(CAT IV 300V pollution degree2) IEC61010-2-032:2002 IEC61326:2000 (EMC standard) 
Dimensions  9.7” H x 4.7” W x 2.1” D
Weight: Approximately 1.7 lbs. including battery

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