Digital Earth Tester DET1620
Earth resistance measurement for grounds and pits.
Taxes included. Free shipping across India.
Key features
This earth tester is suitable for: Electrical contractors Industrial maintenance teams Power distribution systems Commercial building electrical audits Earthing system installation & verification Lightning protection systems Substations and transformer grounding Telecommunication towers Renewable energy installations (solar/wind) Residential electrical safety checks Wherever earthing is essential, the DET1620 provides reliable and precise measurement. DET-1620 Earth Resistance Soil Resistivity Tester is specially designed...
| Function | 2/3/4-pole measurement for earth resistance, soil resistivity, earth voltage |
| Power Supply | DC 9V( Alkaline dry battery LR14 1.5VX 6 PCS ) |
|
Measurement Range | Earth Resistance: 0.00Ω~30.00kΩ |
| Soil Resistivity: 0.00Ωm~9000kΩm | |
| Earth Voltage: 0V~600V | |
| Measurement Mode | Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement of earth resistance |
|
Measurement Method | Earth Resistance: rated current change-pole method, test current 20mA Max Soil Resistivity: 4-pole method (Wenner method) Earth Voltage: average rectification(between P(S)-ES) |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Test Current | >20mA (sine wave) |
| Open-circuit Test Current | AC 40V max |
| Test Voltage Wave | Sine wave |
| Electrode Distance Range | Can be set 1m~100m |
|
Shift | Earth resistance: 0.00Ω~30.00kΩ automatic shift |
| Soil Resistivity: 0.00Ωm~9000kΩm automatic shift | |
| Backlight | Controllable white screen backlight, suitable for dim places |
| Display Mode | 4-digital super-large LCD display, white screen backlight |
| Measurement Indication | During measurement, LED flash indicator, LCD count down display, progress bar indicator |
| LCD Frame Dimension | 128mmX75mm |
| LCD Display Dimension | 124mmX67mm |
| Meter Dimension | 212mm(L)X175mm(W)X85mm(H) |
| Measurement Time | Earth Voltage: about 3 times/second |
| Earth resistance, soil resistivity: about 15 seconds/time | |
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) |
| Line Voltage | below AC 600V measure |
| Communication Interface | USB interface, software monitoring, storage data can be uploaded to computer, saved or printed. |
| Communication Cable | 1PCS USB communication cable, length 1.5m |
| Data Storage | 300 groups, “MEM” symbol storage indicator, flash display “FULL” symbol indicate storage full |
| Data Hold | Data hold function: “HOLD” symbol display |
| Data Read | Data read function: “READ” symbol display |
| Overflow Display | Over range overflow function: “OL” symbol display |
| Interference Test | Recognize interference signal automatically, “NOISE” symbol display when interference voltage exceed 5V |
| Auxiliary Ground Test | With auxiliary earth resistance test function, 0.00KΩ~30KΩ (100R+rC<50kΩ, 100R+rP<50kΩ) |
| Alarm Function | Measurement value exceeds alarm setting value, will “DU–DU–DU–” alarm hint |
|
Battery Voltage | While battery voltage decreases to around 7.5V, will display battery voltage low symbol“ ”, and reminding to replace the battery |
|
Working Current | Standby: about 20mA (Backlight close) |
| Boot up and open backlight: about 45mA (25mA backlight close) | |
| Measurement: about 100mA (Backlight close) | |
|
Weight | Tester: 1330g |
| Total weight: about 2.15kg (include package) | |
|
Working Temperature & Humidity | -10℃~40℃, below 80%RH |
| Storage temperature & humidity | -20℃~60℃, below 70%RH |
| Overload Protection | Measuring earth resistance: between each interfaces of C(H)-E, P(S)-ES, AC 280V/3 seconds |
| Insulation Resistance | Over 20MΩ (between circuit and enclosure it is 500V) |
| Withstand Voltage | AC 3700V/rms (Between circuit and enclosure) |
| Electromagnetic Features | IEC61326(EMC) |
|
Suitable Safety Standard | IEC61010-1 (CAT Ⅲ 300V, CAT IV 150V, Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004 |
Specification
| Influence Constant | Base Condition | Working Conditions | Remark |
| Ambient Temp | 23℃±1℃ | -10℃~40℃ | —- |
| Ambient Humidity | 40%~60% | <80% | —- |
| Working Voltage | 9V±0.1V | 9V±1.5V | — |
|
Auxiliary Earth Resistance Value | <100Ω | <30kΩ | rC, rP |
| Interference Voltage | Non | <20V | —- |
| Interference Current | Non | <2A | |
| Electrode Distance of measuring R | a>5d | a>5d | —- |
| Electrode Distance of measuring ρ | a>20h | a>20h | —- |
Intrinsic error and performance indicators under base conditions
|
Measurement Function | Measurement Range | Accuracy | Resolution |
|
Earth Resistance (R) | 0.00Ω~30.00Ω | ±2%rdg±3dgt | 0.01Ω |
| 30.0Ω~300.0Ω | ±2%rdg±3dgt | 0.1Ω | |
| 300Ω~3000Ω | ±2%rdg±3dgt | 1Ω | |
| 3.00kΩ~30.00kΩ | ±4%rdg±3dgt | 10Ω | |
|
Soil Resistivity (ρ) | 0.00Ωm~99.99Ωm | (ρ=2πaR a:1 m~100m; π=3.14) | 0.01Ωm |
| 100.0Ωm~999.9Ωm | 0.1Ωm | ||
| 1000Ωm~9999Ωm | 1Ωm | ||
| 10.00kΩm~99.99kΩm | 10Ωm | ||
| 100.0kΩm~999.9kΩm | 100Ωm | ||
| 1000kΩm~9000kΩm | 1kΩm | ||
| Earth Voltage | AC 0.0~600V | ±2%rdg±3dgt | 0.1V |
Note: 1. rC max or rP max, additional error≤±3%rdg±5dgt. (rC max: 4kΩ+100R<50kΩ, rP max: 4kΩ+100R<50kΩ)
- Interference voltage with 5V, additional error≤±5%rdg±5dgt.
Warning: Voltage measurement is strictly prohibited when the instrument is charged, connected to a computer, or supplied with external power
Applications
This earth tester is suitable for:
Electrical contractors
Industrial maintenance teams
Power distribution systems
Commercial building electrical audits
Earthing system installation & verification
Lightning protection systems
Substations and transformer grounding
Telecommunication towers
Renewable energy installations (solar/wind)
Residential electrical safety checks
Wherever earthing is essential, the DET1620 provides reliable and precise measurement.
DET-1620 Earth Resistance Soil Resistivity Tester is specially designed and manufactured for on-site measurement of grounding resistance, soil resistivity, grounding voltage, grounding line leakage current, alternating current, and DC resistance. Apply digital processing technology, precision 4-wire method, 3-wire method and simple 2-wire method to measure grounding resistance; Adopt FFT (fast Fourier transform) technology, AFC (automatic frequency control) technology, automatic identification of interference and selection of measurement frequency, to minimize the impact of interference, provide more accurate grounding resistance value. With unique anti-interference ability and environmental adaptability, high repeated test consistency, ensuring high precision, high stability and high reliability for a long-term measurement.
Accessories
- Tester 1 PC Meter Case 1 PC USB Communication Cable 1 PCS Batteries LR14 1.5V 6 PCS Manual 1 SET
Digital Earth Tester DET1620
Datasheets and manuals for this instrument, as PDF.


