User manual for the ETCR2000 clamp‑on ground resistance tester, covering safety, operation, specifications and field applications.
The ETCR2000 clamp‑on ground resistance tester is designed for measuring grounding resistance in power, telecom, meteorology, oilfield, construction and industrial electrical systems. The manual provides safety instructions, device structure details, LCD display functions, and step‑by‑step operating procedures.
It also explains measurement principles, various grounding system measurement methods, and includes field application examples such as power‑system grounding, telecom grounding, building lightning protection, and oil‑field grounding. Packing list and warranty information are provided at the end. This manual is written in Chinese.
| Power Supply | 6 V DC (4 × 5号 alkaline dry cells) |
|---|---|
| Operating Temperature | -10 °C to 55 °C |
| Relative Humidity | 10 % to 90 % |
| LCD Display | 4‑digit LCD, 47 mm × 28.5 mm |
| Jaw Opening Length | Long jaw 28 mm, round jaw 32 mm |
| Weight | Long‑jaw model 1320 g, round‑jaw model 1120 g |
| Dimensions | Long‑jaw 293 × 90 × 66 mm, round‑jaw 260 × 90 × 66 mm |
| Resistance Measurement Range | 0.01 Ω – 10 000 Ω |
| Resistance Resolution | 0.001 Ω |
| Data Storage Capacity | 50 measurement groups |
It is powered by a 6 V DC supply from four 5号 alkaline dry cells.
The instrument can measure resistance from 0.01 Ω up to 10 000 Ω.