Extech 382357 Clamp-on Ground Resistance Tester with NIST

Item #:

EXT-382357-NIST

Brand:

Extech

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382357 Clamp-on Ground Resistance Tester with NIST by Extech

Autoranging ground resistance measurements from 0.03 to 1500 with 0.02 resolution
True RMS AC Leakage current range of 0.2mA to 30.00A
Programmable datalogging with 116 data points
Programmable Hi/Lo alarm
0.9" (23mm) Jaw size for large ground rods
Simplifies ground resistance measurements on multiple point ground systems
Auto power off
Verification resistors confirm accuracy of meter
Automatic Self Calibration when powered on
9999 Count LCD display with Data Hold
Electrical Noise Detection feature prevents inaccurate readings
Data hold
Complete with 9V battery, Resistance check plate, and durable metal storage case

General Specifications

Resistance Test Frequency	3.333 kHz (15mV rms approx.)
Max Conductor size	23mm (0.9")
Display	4 - digit (9999 count) display
Sampling rate	0.5 seconds
Memory	116 records
Datalogging sample rate	1 to 255 seconds
Power supply	One (1) 9V battery
Power consumption	40mADC
Battery Life	3000 measurements
Temp. Coefficient	0.15 times the specified accuracy per °C from 4 to 18°C (39 to 64°F) and 28 to 50°C (82 to 122°F)
Current Overload	Protected to 100A Continuous; 200A for less than 5 seconds (50/60Hz)
Range selection	Automatic ranging
Safety	Meets the requirements for IEC1010‐1 Category III 300V and Category II 600 V
Operating conditions	0 to 50°C (32 to 122°F) with < 85% RH
Storage conditions	‐20 to 60°C (‐4 to 140°F) with < 75% RH
Dimensions	257 x 100 x 47mm (10.1 x 3.9 x 1.9")
Weight	1.4lbs (640g)
Accessories	Resistance check plate, 9V battery, & carrying case

Ground Resistance (Autorange) Specifications

Ground / Leakage Current Specifications