Product OverviewAs a portable testing instrument, the XHDT702SC Grounding Downlead
Continuity Tester is specially designed for measuring the
continuity resistance between the grounding downleads of substation
power equipment and the ground grid (or adjacent equipment),
suitable for on-site mobile testing. Performance FeaturesWith high-speed single-chip microcomputer control, the instrument
boasts high automation and simple operation, allowing testers to
complete testing tasks quickly on site. Adopting professional power supply technology, it is equipped with
multiple adjustable current gears and a wide measurement range,
meeting the testing needs of different substation equipment. Intelligent power management technology effectively reduces power
consumption, extending the battery life and ensuring long-term
on-site use. The 320X240 dot-matrix 65K true-color LCD with ultra-small pixels
provides clear and visible display, even in harsh outdoor strong
light conditions. Built-in power-off storage can keep 1000 groups of test data,
enabling testers to query historical test results at any time
without data loss. - Integrated with a lithium battery and a built-in charger, the
instrument is fully portable, no need for external power, making it
easy to carry and operate in various on-site environments.
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
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