This document is the instruction manual for the digital earth clamp tester, which introduces the characteristics and usage methods of the product.
This manual provides operating instructions for the Kyoritsu MODEL4200/KEW4202 digital earth clamp tester, designed for measuring earth resistance in multi-earthing systems and AC current up to 30A. It includes safety warnings, measurement procedures, and features like auto power-off, data hold, buzzer, backlight, memory, and Bluetooth (KEW4202 only). The device complies with IEC61010 safety standards and offers true RMS measurements with auto-ranging capabilities.
The manual details specifications such as measuring ranges, accuracy, operating conditions, battery life, and physical dimensions. It also explains safety precautions, including handling wet conditions, avoiding flammable gases, and proper battery replacement. The device is protected by double insulation and has an IP40 rating for dust and limited water resistance.
| Earth Resistance Range | Max. 12000 Ω, Min. Resolution 0.010 Ω |
|---|---|
| AC Current Range | Max. 30A, Min. Resolution 0.1mA |
| Display | Liquid crystal display with maximum count of 2099 |
| Operating Temperature | -10°C to 40°C |
| Battery Type | DC6V: R6P or LR6 (AA) x 4pcs |
| Dimensions | 246(L) x 120(W) x 54(D)mm |
| Weight | Approx. 780g (including batteries) |
| IP Rating | IP40 |
| Bluetooth Version | Ver2.1+EDR Class2 |
The maximum earth resistance measurement range is 12000 Ω with a minimum resolution of 0.010 Ω.
The maximum AC current measurement range is 30A with a minimum resolution of 0.1mA.
Yes, the KEW4202 model includes Bluetooth communication for remote checking of measurements via Android devices.
The device complies with IEC61010-1 (CAT.IV 300V Pollution degree 2) and IEC61010-2-032.