Clamp-On Ground Resistance Tester -- 3731
from Duncan Instruments Canada, Ltd.

Features. Simple and fast clamp-on operation - no leads, no auxiliary rods or spacing requirements. No need to disconnect neutral service. Direct reading of ground resistance from 0.01O to 1200O. Direct reading of continuity and ground loop resistance. Direct reading of ground leakage or phase... [See More]

  • Features: Clamp-On; Auto-Ranging; Audible Alarms
  • Display: DigitalMeter
  • Types of Measurements: Grounding Systems Resistance
  • Resistance Range: 1.00E-5 to 1.2
4 Terminal Ground Resistance Tester -- DET2/2 Model 250202
from Megger

The DET2/2 digital ground resistance tester provides a wide resistance range from 0.010 O to 19.99 kilohms for testing larger or more complex grounding systems and for difficult testing environments, with ±0.5% accuracy and 0.001 O resolution. Microprocessor control and advanced filtering... [See More]

  • Features: Buzzer or Annunciator; Auto-Ranging; Audible Alarms; Noise / Interference Detectors
  • Display: DigitalMeter
  • Types of Measurements: Earth Continuity; Grounding Systems Resistance
  • Resistance Range: 1.00E-5 to 19.99
Clamp-On Ground Resistance Tester -- AI211760 [Model 3711 from AEMC Instruments]
from All-Spec Industries

The Clamp-on Ground Resistance Tester Model 3711 measures ground rod and small grid resistance through any season, without the use of auxiliary ground rods. Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The Model 3711 simply... [See More]

  • Features: Clamp-On; Auto-Ranging; Noise / Interference Detectors
  • Display: DigitalMeter
  • Types of Measurements: Earth Continuity; Grounding Systems Resistance
  • Resistance Range: 1.00E-5 to 1.2
Amprobe® Ground Resistance Tester -- GP-2
from Amprobe Test Tools

Also tests resistivity, includes test leads, auxiliary electrodes [See More]

  • Features: Memory / Storage; Auto-Ranging; Software
  • Display: DigitalMeter
  • Types of Measurements: Insulation Resistance
  • Interfaces: RS232
3-Point Ground Resistance Tester -- Model 3640 [Model 3640 from AEMC Instruments]
from Fotronic Corporation / Test Equipment Depot

The Digital Ground Resistance Tester Model 3640 performs ground resistance measurement. This direct reading tester measures from 10M Ω to 1999 Ω, and is auto-ranging, so it automatically seeks out the optimum measurement range. The Model 3640 is easy to use - simply connect the leads,... [See More]

  • Features: Warning Indicator; Auto-Ranging
  • Display: DigitalMeter; LEDIndicator
  • Types of Measurements: Grounding Systems Resistance
  • Resistance Range: 0.0 to 2
Earth Resistance Tester -- 4234 ER
from Hoyt Electrical Instrument Works, Inc.

Auto-Ranging microprocessor controlled. Earth testing at 2 Ω, 20 Ω, 200 Ω, 2k Ω, Earth voltage measuring : 0-300V AC. [See More]

  • Features: Auto-Ranging
  • Display: DigitalMeter
  • Types of Measurements: Earth Resistance and Voltage
  • Resistance Range: 0.0 to 2