Ground Resistance Testers – Σειρά EXTECH

Includes all hardware necessary to measure earth ground in 4 ranges
• 4-wire, 3-wire, and 2-wire testing
• Earth Ground Resistance in 4 ranges
• Automatic Zero adjustment
• Large dual line LCD
• Autoranging
• Automatic I (current) spike check and Automatic P (potential) spike check
• Test Hold function for easy operation
• AC Earth Voltage
• Data Hold and Auto Power Off features
• Over-range and low battery indication
• 2-year warranty
• Complete with color coded test leads and alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5 V AA batteries

Includes all hardware necessary to measure earth ground in
3 ranges from 20 to 2000 Ω
• Large dual display with backlight and double molded housing
• Test Hold function
• Automatic Zero adjustment
• AC/DC Voltage, Resistance, and Continuity
• Auto Power Off, Over-range and low battery indication
• 2-year warranty
• Complete with test leads, two auxiliary earth bars, carrying case, and six 1.5V AA batteries

Enables non-contact measurements of ground conductors
without need for auxiliary ground spikes
• Autoranging ground resistance and True RMS AC Leakage current measurements
• Programmable datalogging with 116 readings
• Programmable Hi/Lo alarm
• 0.9″ (23 mm) Jaw size for large ground rods
• Simplifies ground resistance measurements on multiple point ground systems
• Auto power off
• Verification resistors confirm accuracy
• Automatic Self Calibration when powered on
• 9999 Count LCD display with Data Hold
• Electrical Noise Detection feature prevents inaccurate readings
• CAT III-300 V, CAT II-600 V
• 2-year warranty
• Complete with 9 V battery, Resistance check plate, and durable metal storage case