| Function | Range | Resolution | Measuring range | Accuracy |
| Earth resistance Re (Rg at ρ measurement) | 2Ω | 0.001Ω | 0.03~2.099Ω | |±2%rdg±0.03Ω |
| 20Ω | 0.01Ω | 0.03~20.99Ω | |±2%rdg±5dgt (*1) | |
| 200Ω | 0.1Ω | 0.3~209.9Ω | ||
| 2000Ω | 1Ω | 3~2099Ω | ||
| 20kΩ | 10Ω | 0.03~20.99kΩ | ||
| 200kΩ | 100Ω | 3~209.9kΩ | ||
| Auxiliary earth resistance Rh, Rs | 8% of Re+Rh+Rs | |||
| Earth resistivity ρ | 2Ω | 0.1Ω•m~1Ω•m | 0.2~395.6Ω•m | ρ=2×π×a×Rg (*2) |
| 20Ω | Autoranging | 0.2~3956Ω•m | ||
| 200Ω | 20~39.56kΩ•m | |||
| 2000Ω | 0.2~395.6kΩ•m | |||
| 20kΩ | 2.0~1999kΩ•m | |||
| 200kΩ | ||||
| Series interference voltage | 50V | 0.1V | 0~50.9Vrms | |±2%rdg±2dgt (50/60Hz) |
| Ust (A.C only) (*3) | |±3%rdg±2dgt (40~500Hz) | |||
| Frequency | Autoranging | 0.1Hz | 40Hz~500Hz | |±1%rdg±2dgt |
| Fst | 1Hz | |||
| Measuring method | Earth resistance: Fall-of-potential method (currents and voltages measured via the Probes) | |||
| Measurement method of Earth Resistivity (ρ): Wenner 4-pole method | ||||
| Series interference voltage (earth voltage): RMS Rectifier (between the E-S Terminals) | ||||
| Memory capacity | 800 data | |||
| Communication Interface | Model 8212-USB Optical Adaptor | |||
| LCD | Dot-matrix 192×64 monochrome | |||
| Over-range Indication | "OL" | |||
| Overload Protection | between E-S(P) and between E-H(C) terminals AC280V / 10 sec. | |||
| Withstand voltage | between the electrical circuit and enclosure AC3540V(50/60Hz) / 5 sec. | |||
| Applicable standards | IEC 61010-1 CAT.III 300V, CAT.IV 150V Pollution degree 2 | |||
| IEC 61010-031, IEC 61557-1, 5, IEC 61326-1 (EMC), IEC 60529 (IP54) | ||||
| Power source | DC12V : sizeAA manganese dry battery (R6P) × 8 | |||
| (Auto power off: approx. 5 minutes) | ||||
| Dimensions | 167(L) × 185(W) × 89(D) mm | |||
| Weight | approx. 900g (including batteries) | |||
| Accessories | 7229A (Earth precision measurement), | |||
| 7238A (Simplified measurement test leads), | ||||
| 8032 (Auxiliary earth spikes [2 spiks/set])×2 sets (4 spikes in total), | ||||
| 8200-04 (Cord reel [4 pcs])×1 set, | ||||
| 8212-USB (USB adaptor with "KEW Report(Software)"), | ||||
| 9121 (Shoulder strap), | ||||
| 9125 (Carrying case), | ||||
| R6P×8, Instruction manual, Calibration certificate | ||||
| Optional | 8212-RS232C (RS232C adaptor with "KEW Report(Software)") | |||
