Product Overview
The XHDT702 Grounding Downlead Continuity Tester is a high-performance professional instrument, specially used to measure the continuity resistance between grounding downleads of substation power equipment and the ground grid (or adjacent equipment), providing reliable testing support for power system safety.
Performance Features
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Adopting high-speed single-chip microcomputer control, it realizes full automation of testing, simplifies operation steps, and allows even non-professional personnel to operate it easily.
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Equipped with advanced power supply technology, it has multiple adjustable current gears and a wide measurement range, perfectly matching various testing requirements in substations.
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Intelligent power management technology is integrated to optimize power consumption, ensuring long-term stable operation of the instrument.
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Equipped with a 320X240 dot-matrix 65K true-color LCD with ultra-small pixels, the display effect is clear and delicate, and the data can be clearly read even in strong outdoor light.
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Built-in power-off storage function can store up to 1000 groups of test data, which is convenient for testers to query historical data and conduct data analysis at any time.
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With built-in lithium battery and integrated charger, it supports portable use, no need to rely on external power supply, making on-site testing more convenient and efficient.

Technical Specifications
★ Output Current: 10A, 1A Auto-switching
★ Measurement Range: 10A: 1mΩ~2Ω, 1A: 2Ω~20Ω
★ Resolution: 0.1μΩ
★ Accuracy: ±(0.2% of reading + 2 digits)
★ Power Supply: AC 220V±10% 50Hz±1Hz
★ Ambient Temperature: -10~50℃
★ Ambient Humidity: ≤90%RH
★ Weight: 5kg