Description
Megger DET2.2 High Resolution Earth Tester
The Megger DET2.2 High Resolution Earth Tester is a precision instrument designed for accurate and reliable measurement of earth (ground) resistance. Ideal for electrical engineers, technicians, and professionals in power systems, this device ensures high-resolution readings for enhanced safety and performance verification of grounding systems.
Featuring advanced measurement technology, the DET2.2 delivers fast and precise results in various soil conditions. Its ergonomic design and robust construction make it suitable for both field and laboratory use. The tester supports multiple testing methods, including 2-wire and 3-wire measurements, providing flexibility and ease of use.
Equipped with a clear digital display and intuitive interface, the Megger DET2.2 allows users to quickly read, record, and interpret resistance values. Its high accuracy, combined with portable and durable design, makes it an essential tool for routine maintenance, installation verification, and troubleshooting of electrical grounding systems.
With the Megger DET2.2, you can ensure that your grounding installations comply with safety standards, reduce risks of electrical faults, and maintain the integrity of your electrical infrastructure.
Key Features
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High-Resolution Measurement – Provides precise readings for accurate earth resistance testing.
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Multiple Testing Methods – Supports 2-wire and 3-wire measurements for flexibility in various soil conditions.
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Fast and Reliable Results – Delivers quick measurements, saving time during field operations.
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Clear Digital Display – Easy-to-read interface with clear numeric and graphical representation of results.
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Portable and Robust Design – Lightweight and rugged construction suitable for field and laboratory use.
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Wide Measurement Range – Capable of measuring low to high earth resistance values with high accuracy.
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Battery-Powered Operation – Long battery life ensures uninterrupted testing on site.
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User-Friendly Interface – Intuitive controls make the device easy to operate for both beginners and professionals.
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Compliant with Safety Standards – Ensures grounding installations meet regulatory and safety requirements.
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Data Recording Capability – Some models allow storage or logging of measurement data for analysis and reporting.
Technical Specifications
Measurement Range
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Earth resistance: up to 2000 Ω (depending on model)
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Maximum input voltage: as per earth testing standards
Accuracy & Resolution
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High-resolution readings for detailed measurements
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High accuracy across low to medium resistance ranges
Testing Methods
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2‑Wire Test
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3‑Wire Test
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(Some variants support additional methods like 4‑Wire or Stakeless/Clamp, depending on configuration)
Display & Interface
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Digital LCD/LED display
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Measurement status indicators
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Easy-to-understand operational symbols
Power Supply
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Rechargeable battery or standard batteries (AA/rechargeable)
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Long battery life for field use
Additional Features
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Low battery indicator
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Automatic null/zero adjust to minimize lead resistance errors
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Electromagnetic interference protection
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Safety lockout for high-voltage measurement
Physical & Environmental
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Compact and portable design
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Lightweight
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Rugged, impact-resistant housing
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Operable under standard field temperature ranges
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Dust and splash protection (industrial standard)
Data Storage & Logging
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Some versions support data logging
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Ability to transfer measurement data to PC/software (optional)
Certifications & Compliance
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Compliant with international earth resistance testing standards
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Electrical safety certified for field testing equipment
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