Motwane DET-20 Digital Earth Tester (without kit)
- Brand
- Motwane
- Model number
- DET-20
- Category
- Earth Resistance Testers
3½ digit earth tester for earth resistance (3 terminal), soil resistivity (4 terminal) and earth voltage up to 200V, with 128Hz test signal and a rechargeable Ni-MH battery. Instrument only, without the field kit.
Price and availability on request
Key features
- 3½ digit LCD display with max reading 1999
- 3 terminal and 4 terminal measurement method
- Earth resistance range 0.01Ω to 1999Ω
- Soil resistivity measurement (4 terminal)
- Rechargeable internal Ni-MH battery
- Earth measurement voltage up to 200V
- Ratio Metric Synchronous Rectification (RSR): reading stays constant as the battery voltage drops
- 128Hz test frequency to reject harmonic interference
- Shock proof, drop and dust proof ABS casing for heavy duty use
- Designed as per IS 9223
Specifications
| Ranges | 0.01Ω to 20.00Ω, 0.1Ω to 200.0Ω, 1Ω to 2000Ω |
|---|---|
| Accuracy | ±1.5% of reading ±5 digits (10% to 95% of range, at 25°C ±5°C) |
| Test current | 20 Ω range 10mA AC RMS; 200 Ω range 1mA AC RMS |
| Test frequency | 128Hz ±10% |
| Maximum output voltage | Less than 40Vrms |
| Interference | 20V ±5% peak to peak, 50Hz in the potential circuit gives max effect ±1% on the 20 Ω to 2KΩ ranges |
| Influence of temperature | <±0.2% per °C over 0-20°C and 28-55°C |
| Range / accuracy / resolution | 0-200V AC / 2% of range / 0.1V |
|---|
| Display | 3½ digit LCD, max reading 1999 |
|---|---|
| Power supply | Internal rechargeable Ni-MH 1.2V, 600mAh x 8 nos. |
| Charging time / battery life | 16 hrs recommended / approx. 5-6 hrs continuous operation on mid-range |
| Voltage withstand | 240V AC between any two terminals |
| Flash test | 2kV AC |
| Standard | IS 9223 |
| Operating temperature | 0°C to +55°C, <90% RH |
| Storage temperature | -20°C to +70°C, <90% RH |
| Dimensions | 180mm (L) x 100mm (W) x 54mm (H) |
| Weight | 800gms with battery charger |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
Related products
-
Enquire about Motwane DECT-2
Motwane DECT-2 Digital Clamp-on Earth Resistance Tester
Clamp-on earth resistance tester: clamp around the rod or strip and read 0.01 Ω to 1200 Ω without disconnecting the ground. Large 65 x 32 mm jaw, alarm limits and 99-reading memory.
-
Enquire about Motwane DECT-3
Motwane DECT-3 Digital Clamp-on Earth Resistance and Leakage Current Tester
Clamp-on earth resistance tester that also measures AC leakage current: 0.01 Ω to 1200 Ω and 0.00 mA to 20 A through a 65 x 32 mm jaw, with resistance and current alarms and 99-reading memory.
-
Enquire about Motwane DET-20 (with kit)
Motwane DET-20 (with kit) Digital Earth Tester with Standard Kit
DET-20 earth tester supplied with the full field kit: 4 earthing spikes, 10/20/30/40 m wire spools, claw hammer, carrying bag and charger. Measures earth resistance, soil resistivity and earth voltage.
-
Enquire about SEW 1120 ER
SEW 1120 ER Digital Earth Resistance Tester
IP54 3-wire earth resistance tester for single electrodes, lightning conductors and bonding joints: 0.01 Ω to 1999 Ω and 0-200 V earth voltage at 820 Hz / 2 mA, with 0 Ω adjustment and simplified 2-wire probe.
