Searching for the best ground resistance testers in the market? The answer lies with DEMIKS/Ground Resistance Tester. Being one of the primary manufacturers and suppliers in China, we offer tested and dependable ground resistance testers that are fundamental for all your testing requirements. Our products are engineered and built to last as well as provide accurate results consistently. For all of your grounding testing needs, place your trust in DEMIKS/Ground Resistance Tester.
| measurement range | 1～1999mΩ | resolution | 1mΩ |
|---|---|---|---|
| test current | Four fixed current settings: DC 1A, 2A, 5A, 10A | measurement accuracy | ±(0.5%+2d) |
| measurement radius | 50 meters | display mode | LCD backlight display |
| working mode | continuous | working power supply | AC220V±10%、50Hz |
| working environment | Temperature: -10°C to 40°C; Humidity: ≤80%RH | relative humidity | ≤80% |
| volume | 300×270×200mm3 | weight | 5 kg (excluding accessories) |
| Items | Details |
|---|---|
| Output Current | 10A, 5A, 1A, 200mA, 40mA, <5mA, Automatic |
| Measuring Range | 0.001Ω - 1.6Ω (10A range); 0.03Ω - 3.2Ω (5A range); 0.06Ω - 16Ω (1A range); 0.1Ω - 80Ω (200mA range); 0.3Ω - 400Ω (40mA range); 100Ω - 100kΩ (<5mA range); |
| Accuracy | 0.2% ± 2μΩ |
| Resolution | 0.1μΩ |
| Operating Temperature | -20～40℃ |
| Ambient Humidity | ≤80%RH, without condensation |
| Working Power Supply | DC Lithium-ion rechargeable battery |
| Dimensions | 323*275*135mm |
| Weight | 4.7kg |
| Parameter | Details |
|---|---|
| Measurement Range | 0 - 150Ω (including current stake impedance) |
| Resolution | 0.001Ω |
| Measurement Error | ±(Reading × 2% + 0.002Ω) |
| Maximum Output Voltage | AC 400V (45Hz, 55Hz, dual - frequency, sine wave) |
| Maximum Output Current | AC 5A (45Hz, 55Hz, dual - frequency, sine wave) |
| Current Output Gear | 5/4.5/4/3.5/3/2.5/2/1.5/1A, one gear every 0.5A, total 9 gears |
| Anti - interference Ability | Resistant to 50Hz power frequency voltage of 10V |
| Soil Resistivity Measurement Range | 0 - 999.9Ω/M, accuracy: ±2%, resolution: 0.01Ω/M |
| Requirements for Measuring Wires | Cross - sectional area of copper core of current wire ≥ 1.5mm²Cross - sectional area of copper core of voltage wire ≥ 1.0mm² |
| Power Supply | AC220V±10%, 50Hz |
| Dimensions | 440×350×210mm³ |
| Instrument Weight | 30kg |
| Grounding Resistance Measurement Range | Dual - clamp method: 0.01Ω - 200ΩGround stake method: 0.01Ω - 200Ω | Error | Dual - clamp method: ±3% ± 2 digitsGround stake method: ±2% ± 2 digits |
|---|---|---|---|
| Minimum Resolution | 0.01Ω | Clamp Opening Size | Φ50mm |
| Storage Capacity | 200 groups of data | Operating Temperature | 0°C --50°C |
| Power Supply | 8 AA Ni - MH rechargeable batteries or ordinary AA batteries | Weight | 0.8KG (including batteries) |
| Dimensions | 265×130×65mm³ |
| Power Supply | 6VDC (4 No. 5 alkaline dry batteries) | Operating temperature | -10℃～55℃ |
|---|---|---|---|
| Relative Humidity | 10%～90% | Liquid Crystal Display（LCD） | 4-digit LCD digital display, length × width: 47×28.5 square millimeters |
| Clamp Opening Size | Longclamp opening: 28mm; Round clamp opening: 32mm | Quality of the clamp meter (including the battery) | The long clamp opening weighs 1320 grams; the round clamp opening weighs 1120 grams. |
| Clamp Meter Dimensions | Long clamp opening: Length 293mm, Width 90mm, Thickness 66mm | Explosion-proof mark of explosion-proof products | Exia II BT3 |
| Protection Level | Double insulation | Structural features | Clamp opening mode |
| Range Shift | automatic | External magnetic field | ＜40A/m |
| External Electric Field | ＜1V/m | Single - measurement time | 1s |
| Resistance Measurement Frequency | ＞1KHz | The highest resolution of resistance measurement | 0.001Ω |
| Resistance Measurement Range | 0.01～1000Ω | Current measurement range | 0.00～30.0A |
| *Measured Current Frequency | 45～65Hz | Storable measured data | 50 groups |
| Set range of resistance alarm threshold | 1～199Ω | Set range of current alarm threshold | 1～499mA |
| Using Condition | Ambient Temperature | 0℃~+45℃ | Relative Humidity | ≤85%RH |
|---|---|---|---|---|
| Measurement Range and constant current(effective value) | Resistance | 0~2Ω(10mA), 2~20Ω(10mA), 20~200Ω(1mA) | ||
| Voltage | AC 0~20V | Resolution | 0.001Ω, 0.01Ω, 0.1Ω, 0.01V | |
| Accuracy | 0~0.2Ω≤±3%±1d 0.2Ω~200Ω≤±1.5%±1d 1~20V≤±3%±1d |
| Parameter | Details |
|---|---|
| Power Supply | DC 9V Alkaline Battery LR6 1.5V×6 |
| Test Method | Clamp - type CT |
| Clamp Opening Size | 80mm×80mm (Can clamp Φ80mm wire or 90mm×4mm flat ground wire) |
| Measuring Range | Current: AC 0.00mA - 1000A (50Hz/60Hz)Frequency: 10Hz - 1000Hz |
| Resolution | AC 0.01mA |
| Accuracy | ±1.5%±3dgt |
| Display Mode | 3.5 - inch Color Touch LCD (320dots×240dots) |
| Operation Mode | Both intelligent touch and button control modes are available |
| Main Unit Size | 198mm×100mm×45mm |
| Current Clamp Size | 194mm×145mm×40mm |
| Mass | Main unit: 450g (including battery); Current clamp: 780g |
| LCD Size | Display area: 71mm×53mm |
| Electric Field Interference | When an external electric field of 100A approaches 10mm, it is approximately 10mA |
| Sampling Rate | 2 times/second |
| Data Storage | 200 groups (Data will not be lost in case of power failure or battery replacement) |
| Date and Clock | With date and clock and setting functions |
| Test Sample Number | With test point number setting function |
| Automatic Shutdown | With automatic shutdown and non - automatic shutdown function setting. Default is automatic shutdown after 5 minutes of startup |
| Touch Screen Calibration | With touch screen calibration function |
| USB Interface | With USB interface, data stored in the instrument can be imported into a computer |
| Alarm Setting | Alarm threshold setting range: 10mA - 99.99A |
| Alarm Indication | When the measured value exceeds the alarm threshold, the LCD flashes and the buzzer sounds |
| Line Voltage | For AC 600V and below line testing |
| Overflow Display | Over - range overflow function: Displayed with "OL" symbol |
| Battery Voltage | When the battery voltage drops to 7.2V±0.1V, the battery voltage low symbol is displayed to remind for battery replacement. The measured data are still accurate at this time. |
| Rated current | Maximum 180mA |
| Lead length | The lead length of the current clamp is 2 meters. |
| Operating temperature and humidity | -10℃ to 40℃; below 80% relative humidity (rh) |
| Storage temperature and humidity | -10℃ to 60℃; below 70% relative humidity (rh) |
| Insulation strength | AC 2kV/rms (between the screw and the casing) |
| Product Parameters | Details |
|---|---|
| Output Current | 30A, 40A, 50A |
| Output Voltage | ≥DC10V |
| Resolution | Minimum 0.1μΩ300μΩ - 300mΩ (30A range)200μΩ - 250mΩ (40A range)100μΩ - 200mΩ (50A range) |
| Accuracy | 5‰±3 digits |
| Operating Temperature | -20～40℃ |
| Operating Humidity | ＜80%RH, no condensation |
| Operating Power Supply | AC220V±10%, 50HZ |
| Item | Technical Specifications and Parameters | Remarks |
|---|---|---|
| Test Current | 30A, 40A, 50A | |
| Measurement Range | 300μΩ–300mΩ (30A) | |
| 200μΩ–250mΩ (40A) | ||
| 100μΩ–200mΩ (50A) | ||
| Minimum Resolution | 0.1μΩ | |
| Accuracy | 5‰ ±3 digits | |
| Display | LCD | Resistance displayed with 4 significant digits |
| Data Storage | 1000 sets | |
| Operating Environment | Ambient temperature: 0℃–40℃ | |
| Relative humidity: <90%RH, no condensation | ||
| Power Supply | AC 220V±10V, 50Hz±1Hz | Fuse: 10A |
| Maximum Power Consumption | 1000W | |
| Dimensions | Main unit: 360×290×170 (mm) | |
| Cable box: 360×290×170 (mm) | ||
| Weight | Main unit: 6.5 kg | |
| Cable box: 5 kg | ||
| Test Lead Length | Standard: 5 m | Custom lengths available |
This in-depth guide covers everything you need to know to accurately utilize the Earth Ground Resistance Tester. You can build your measurement skills and overcome common problems.
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