Majortech
Earth Resistance Tester
Earth Resistance Tester
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- Earth resistance measurement
- Earth Resistance range from 0.001Ω to 1200Ω
- Current range from 0.01mA to 20A
- Displays resistance and current simultaneously
- Quick self-test function
- Fast filtering technology minimizes strong interference
- Data storage of 300 sets
- Alarm when the measured value is greater that set alarm threshold
- NOISE symbol when earth loop under test has interference current
Description
The MT332 Earth Resistance Clamp meter is used to test earth resistance and leakage current in the loop and features a sleek black screen design. This device displays resistance current on the same screen, along with convenient functions such as data storage, data review, alarm, and automatic shutdown. With a wide measuring range and high resolution, the MT332 ensures accurate measurements. Built with a shock, dust and moisture proof structure, the MT332 is well-suited for demanding environments. Its user-friendly interface and convenient carry case make it a practical choice for various applications. The instrument is known for its stable performance and strong anti-interference ability. It is an essential tool in telecommunications, electricity, meteorology, computer rooms, oil fields, and electromechanical installation and maintenance within industrial enterprises utilizing electricity as power or energy source. Controlled by a microprocessor, the Clamp-On Earth Resistance Tester employs advanced fast filtering techniques to minimize interference, ensuring precise and reliable results. Additionally, it offers simultaneous data storage and upload functions for enhanced efficiency in testing procedures.
Specifications
| Function | Range | Resolution | Accuracy |
| Resistance | 0.010Ω-1200Ω | 0.001Ω | ±(1%+0.01Ω) |
| Current | 0.00mA-20.0A | 0.01mA | ±(2.5%+1mA) |
| Ambient Temperature and Humidity | 23°C ± 5°C below 75%RH | ||
| Power Supply Measurement Method | DC 6V (4x AA batteries) Mutual Inductance | ||
| Resistor Resolution | 0.001Ω | ||
| Current Resolution | 0.01mA | ||
| Jaw Size | 55mm x 32mm | ||
| Display Mode | 4-digit LCD display, black screen design | ||
| LCD Size | 46mm x 29mm | ||
| Meter Size | 285mm x 85mm x 58mm | ||
| Measure Time | 2 times/sec | ||
| Data Storage | 300 groups | ||
| Data Access | Yes | ||
| Overflow Display | Yes | ||
| Alarm Function | When the measured value exceeds the alarm setting value, an alarm prompt will be issued | ||
| Low Battery Indication | Yes | ||
| Automatic Shut-Down | Automatic shutdown after 5 minutes of startup | ||
| Power Consumption | 50mA Max | ||
| Weight | Meter: 1180g (including battery) | ||
| Working Temperature and Humidity | -10°C～40°C below 80% RH | ||
| Storage Temperature and Humidity | -20°C～60°C below 70% RH | ||
| Insulation Resistance | Above 20MΩ (500V between circuit and case) | ||
| Pressure Resistance | AC 3700V/rms (between circuit and case) | ||
| External Magnetic Field | <40A/m | ||
| External Electric Field | <1V/m | ||
| Safety Regulations | IEC61010-1 (CAT III 300V, CAT IV 150V, pollution degree 2) IEC61010-031, IEC61557-1 (Earth resistance) | ||
Safety Ratings
Accessories
- Carrying Case
- Loop Calibrator
- 4 x AA Batteries
- Instruction Manual
- Fastest Calibration Service in Australia as fast as 24 Hrs Hight Priority
- Best In-House and On-Site Calibration Service in Entire Australia
- Smart Software based Calibration Service to reduce human error and improve uncertainty
- Mobile Calibration Service to reduce downtime and improve productivity
- ISO 17024 NATA Accredited Calibration Service
