CEM DT-5300B Earth Ground Resistance Tester
£93.30 (Inc. VAT)
The CEM DT-5300B earth ground resistance tester provides accurate earth resistance and soil resistivity measurements for electrical installations, power systems and telecommunication networks. Featuring a four-terminal test method, dual backlit LCD display, automatic zero adjustment and AC/DC voltage and continuity measurement functions, it is ideal for professional field testing and maintenance.
The CEM DT-5300B Earth and Ground Resistance Tester is a professional instrument designed for accurate grounding measurements in electrical installations, lightning protection systems, power distribution networks, and telecommunication infrastructure. It supports earth resistance, soil resistivity, and low-resistance testing, delivering reliable results for installation verification, preventive maintenance, and field inspection. Its robust construction and high measurement accuracy make it suitable for demanding industrial and utility applications.
Features
- Professional earth and ground resistance tester for electrical, lightning protection, and infrastructure applications
- Accurate earth resistance measurement using the four-terminal (E1, P1, P2, E2) method
- Wide measurement ranges for earth resistance, AC/DC voltage, resistance, and continuity testing
- High measurement accuracy based on Ohm’s Law principle for reliable grounding analysis
- Large dual-display, backlit LCD for clear readings in indoor and outdoor environments
- AC voltage measurement up to 750 V and DC voltage measurement up to 1000 V
- Automatic zero adjustment for improved measurement stability and accuracy
- Fast sampling rate of 2.5 readings per second for real-time measurement response
- Portable and durable design with lightweight construction for field use
- Battery-powered operation with auto power-off function to extend battery life
Technical Specifications
| Function | Range | Resolution | Accuracy |
| Earth Resistance | 10 Ω / 100 Ω / 1000 Ω | 0.01 Ω / 0.1 Ω / 1 Ω | ±2% rdg ±3 dgts |
| Voltage (AC) | 750 V | 1 V | ±1.2% rdg ±10 dgts |
| Voltage (DC) | 1000 V | 1 V | ±0.8% rdg ±3 dgts |
| Resistance | 200 kΩ | 0.1 kΩ | ±1.0% rdg ±2 dgts |
| Continuity Test | Audible alarm ≤40 Ω, test current ≤200 mA | Audible alarm ≤40 Ω, test current ≤200 mA | Audible alarm ≤40 Ω, test current ≤200 mA |
| Operating Temperature | 0 °C – 40 °C (<80% RH) | 0 °C – 40 °C (<80% RH) | 0 °C – 40 °C (<80% RH) |
| Storage Temperature | -10 °C – 60 °C (<70% RH) | -10 °C – 60 °C (<70% RH) | -10 °C – 60 °C (<70% RH) |
| Power Supply | 6 × 1.5 V AA batteries (DC 9 V) | 6 × 1.5 V AA batteries (DC 9 V) | 6 × 1.5 V AA batteries (DC 9 V) |
| Weight | Approx. 700 g (including batteries) | Approx. 700 g (including batteries) | Approx. 700 g (including batteries) |
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