Extech 382357-NIST Clamp-on Ground Resistance Tester
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Extech 382357-NIST clamp-on ground resistance tester with NIST certificate. Measures resistance to 0.025Ω, True RMS leakage current to 30A, 116-point datalogging.
Product details
| Model | 382357-NIST |
| Manufacturer | Extech |
| Category | Clamp Meters |
| Availability | Made to order |
Description
Overview
The Extech 382357-NIST is a clamp-on ground resistance tester with NIST calibration certificate, designed for applications requiring documented measurement traceability. It combines ground resistance measurement and AC leakage current testing in a single instrument, making it ideal for maintenance and verification of multi-point ground systems.
Key Features
- Ground resistance measurements down to 0.025Ω with 0.002Ω maximum resolution
- True RMS AC leakage current range of 0.2mA to 30A with 1.000mA maximum resolution
- Programmable datalogging with 116 data points
- Programmable Hi/Lo alarm with alarm trigger settings
- 0.9-inch jaw size accommodates large ground rods
- Verification resistors confirm accuracy of meter
- Automatic self-calibration when powered on
- 9999-count high contrast LCD display
- Electrical noise detection prevents inaccurate readings
- Data hold and continuity beeper
Applications
- Ground system testing with documented traceability
- Building and facility grounding compliance verification
- Electrical safety inspections and audits
- Power distribution system analysis
Included Accessories
- NIST calibration certificate
- 9V battery
- Resistance check plate
- Carrying case
Specifications
| Minimum Resistance Measurement | 0.025Ω |
| Ground Resistance Resolution | 0.002Ω |
| AC Leakage Current Range | 0.2mA to 30A |
| Leakage Current Resolution | 1.000mA |
| Datalogging Capacity | 116 data points |
| Clamp Jaw Size | 0.9 inches |
| Display | 9999 count high contrast LCD |
| Power Source | 9V battery |
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Extech 382357-NIST Clamp-on Ground Resistance Tester
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