Megger DET4TD2

The Megger DET4TD2 is a highly versatile and reliable earth resistance tester designed for professionals in the power and energy sectors. Capable of conducting 2, 3, and 4-point testing, it excels in measuring earth electrode resistance and performing soil resistivity tests with high accuracy. Its additional features, such as stakeless clamp-on testing capability and attached rod technique, make it adaptable for various fieldwork applications. With user-selectable test frequencies and a resistance measurement range of up to 20 kΩ, this device ensures precise and efficient performance. Warning indicators enhance safety by preventing test failures, and their simple operation makes them a favourite among engineers and electricians.

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• IP54 rated — The Megger DET4TD2 is designed to be a truly outdoor instrument, as it is adequately protected against dust and water ingress​​.
• Versatile testing capabilities — Supporting 2, 3 and 4-point testing, it’s adaptable for various ground resistance and soil resistivity testing needs​​.
• Selectable output voltage — This product offers user-selectable 25V or 50V outputs, providing flexibility for different testing scenarios and compliance with IEC 61557-5​​.
• Simple operation — It features a large selector switch and a single-button test initiation, allowing easy operation even with gloved hands​​.
• Battery-powered — All you need are eight AA batteries and you’re guaranteed extended testing time. The device also displays battery status via a bar graph on the LCD​.

• Standard Accessories: Leads, stakes, calibration certificate, and rugged carry case
• Power Supply: 8 x 1.5-V alkaline batteries (ANSI AA-size)
• IP Rating: IP54 for dust and water protection
• Noise Rejection: 40 V pk to pk (14 V rms)
• Instrument Output Voltage: ±25 V or ±50 V at 128 Hz
• Instrument Output Current: 4.5 mA or 0.45 mA
• Resistance Range: 0.01 Ω to 20 kΩ
• Operating Temperature/Humidity Range: -15°C to +55°C (5°F to 131°F)
• Weight: 1 kg
• Dimensions (W x H x L): 192 mm x 92 mm x 42 mm

• Enhanced Reliability: Accurate testing even in challenging conditions with advanced noise rejection and precision design.
• Ease of Use: Simple operation with a large selector switch and single-button test initiation, ideal for on-site work, even with gloves.
• Portable Solution: Lightweight and battery-powered for extended field use without requiring external power sources.
• Durable Design: Robust IP54 rating ensures the tester withstands dust and water exposure, making it ideal for outdoor applications.
• Flexible Testing: Versatile testing methods to suit various project needs, from soil resistivity to electrode resistance measurements.

• Electrical earth testing — The Megger DET4TD2 can verify the safety and effectiveness of electrical systems by measuring earth resistance. It supports various testing methods for accurate and reliable results, even in challenging environments. The robust IP54 rated design makes it suitable for outdoor use, ensuring compliance with industry standards and enhancing the safety of electrical installations.
• Earth electrode resistance — This device can measure the resistance of earth electrodes, a crucial factor in maintaining the safety and performance of electrical systems. By providing precise resistance measurements, it helps identify potential issues with grounding systems. Its versatility and ease of use make it an ideal choice for professionals involved in installing and maintaining earth electrodes​​.
• Ground resistance testing — Accurate ground resistance testing is vital for assessing the effectiveness of grounding systems. The Megger DET4TD2 excels by offering selectable test voltages and multiple testing methods. The user-friendly interface, combined with robust construction, guarantees reliable performance in various environmental conditions.
• Soil resistivity testing — Soil resistivity testing is essential for designing and installing effective grounding systems. The Megger DET4TD2 supports comprehensive soil resistivity measurements using the four-terminal method, providing high-resolution data. The device’s advanced features and durable design make it ideal for fieldwork and detailed soil analysis​.