Earth Testers
The DET 20 is a reliable 3½ digit LCD meter designed for accurate measurements of earth resistance, soil resistivity, and earth voltage. Thanks to its cutting-edge RSR technology, it delivers stable and precise readings, even when the battery starts to run low. Built tough for heavy-duty tasks and challenging environments, this instrument is your go-to for dependable performance.
- 3½ digit LCD Display with max reading 1999.
- 3 terminal and 4 terminal Measurement Method
- Earth Resistance Range 0.01Ω to 1999Ω
- 4 Soil Resistivity Measurement
- Rechargeable Internal Ni-MH Battery
- Earth Measurement Voltage up to 200V
- Ratio Metric Synchronous Rectification
| Technical Specifications | |
| Power | |
| Mains Power Supply: | Internal, replaceable alkaline battery 1.5V x 6nos |
| Auto Power OFF: | After 10 min |
| Earth Resistance Range & Accuracy | |
| Range: | 0.0001Ω to 20.000 kΩ Auto Range |
| Accuracy: | at 25C + 2C 0.5% of reading + 2 digits 3P ± 10mΩ |
| Test Parameters | |
| Test Frequency: | 128Hz (± 0.5Hz) |
| Test Current Injection: | 10mA AC approx. @ 19.999Ω range 1mA AC approx. @ 199.99Ω range 100µA AC approx. @ 1999.9Ω range |
| Open Circuit Voltage: | < 40Volt AC approx |
| Earth Voltage Measurement | |
| Range: | 2V to 200V AC (±2% of the range ±2v.) |
| Resolution: | 0.1V |
| Display: | 4 ½ digit LCD Display with pleasant backlit |
| PC Interface: | USB |
| Report Storage: | 1000 Reports |
| Data Transfer: | Bluetooth (ISM Band 2.4GHz) (optional) |
| Soil Resistivity: | Method Wenner: PE = 2 π a Rw (Ωm) |
| General | |
| Dimensions: | 230 mm(H) X 165 mm(W) X 95 mm(L). |
| Weight: | 1.35 Kg (Approx.) |
| Environmental | |
| Operating Temperature: | 0 C to 55C |
| Storage Temperature: | 0-10C to 60C |
| Relative Humidity: | 95% RH at 40C max. (Non Condensing) |
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