This manual introduces the Fluke 1621 Earth Ground Tester, a portable instrument for three‑point ground resistance and two‑point AC resistance measurements. It outlines safety precautions, symbols, accessories, and key features such as LCD display, interference detection, and auto‑shutdown.
The guide details operation procedures, battery installation, measurement settings, fault diagnosis, and storage recommendations. It also includes full technical specifications, warranty information, and service contact details. This manual is written in Chinese.
| Measurement functions | Three‑point ground resistance, two‑point AC resistance, interference voltage |
|---|---|
| Measurement speed | 2 readings per second |
| Maximum voltage (H/C2 to E/C1) | 250 Veff |
| Operating temperature range | -10 °C to +50 °C |
| Dimensions | 113 × 54 × 216 mm |
| Weight | 850 g |
| Measurement error | < 10 % |
Fluke provides a 2‑year limited warranty on the product and a 90‑day warranty on parts, repair, and service.
A measurement takes about 8 seconds from the moment the START button is pressed.
The device can operate from –10 °C to +50 °C.
The maximum voltage between the H/C2 and E/C1 connectors is 250 Veff.