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• High test current up to 80mA yielding resolution of 0.001? on 2? range.
• Advanced Filtering method (based on FFT Fast Fourier Transform) reduces noise interference for obtaining stable measurements.
• Automatic and Manual selection of the Test Current Frequency in four bands (94/105/111/128Hz). In Automatic mode, KEW 4106 will select the most suitable Frequency.
• Several sub-results can be shown on the display: Resistance of the Auxiliary Earth Spikes, Frequency of Test Current, Voltage and Frequency of Interference (noise), Residual Resistance Rk, etc.
• Warning for excessive noise and high Auxiliary Earth Spikes resistance.
• Large Graphic Display with backlight for readings in poorly illuminated areas.
• Up to 800 measurement results can be saved in the memory and recalled on the display.
• The stored results can be transferred to a PC using the “KEW Report” software and a USB adaptor (Model 8212-USB) which are included.
• Robust design with IP54 protection.
LKR 883,360
In stock
| Month(s) | Handling Fee (%) | Monthly (Approx) | Total (Approx) |
|---|---|---|---|
| 3 | 0.00% | 347,454.93 | 1,042,364.80 |
| 6 | 0.00% | 173,727.47 | 1,042,364.80 |
| Month(s) | Handling Fee (%) | Monthly (Approx) | Total (Approx) |
|---|---|---|---|
| 6 | 0.00% | 173,727.47 | 1,042,364.80 |
| 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 | 0.03k - 20.99kΩ | ||
| 200kΩ | 100Ω | 0.3k - 209.9kΩ | ||
| Auxiliary earth resistance Rh, Rs |
8% of Re+Rh+Rs | |||
| Earth resistivity ρ |
2Ω | 0.1Ω·mm - 1Ω·m Autoranging |
0.2 - 395.6Ω·m | ρ=2×π×a×Rg (*2) |
| 20Ω | 0.2 - 3956Ω·m | |||
| 200Ω | 20 - 39.56kΩ·m | |||
| 2000Ω | 0.2 - 395.6kΩ·m | |||
| 20kΩ | 2.0 - 1999kΩ·m | |||
| 200kΩ | ||||
| Series interference voltage Ust (A.C only) (*3) |
50V | 0.1V | 0 - 50.9Vrms | ±2%rdg±2dgt (50/60Hz) |
| ±3%rdg±2dgt (40 - 500Hz) | ||||
| Frequency Fst |
Autoranging | 0.1Hz 1Hz |
40Hz - 500Hz | ±1%rdg±2dgt |
| 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) |
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| 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. | |||
| 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) |
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| Power source | DC12V : sizeAA manganese dry battery (R6) × 8 (Auto power off: approx. 5 minutes) |
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| 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), R6 × 8, Instruction manual, Calibration certificate |
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| Optional | 8212-RS232C (RS232C adaptor with "KEW Report(Software)") | |||
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