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It adopts all-metal explosion-proof shell design, and has passed double explosion-proof certifications of ATEX and IECEx, which can be safely used in explosive gas environments with Ex ib IIB T4 rating. It is equipped with a 3.5-inch sunlight-readable LCD screen, which can clearly read data even in strong light outdoor environments. It supports Bluetooth wireless data transmission, which can synchronize test data to mobile terminals for storage and analysis, avoiding the use of wired interfaces in explosion-proof areas. It has a built-up high-capacity explosion-proof lithium battery, which can support 6 hours of continuous operation on a single charge, and has overcharge and overdischarge protection functions. It is also equipped with non-slip rubber handle to improve holding stability during on-site operation.

The overall size is 210mm×100mm×60mm, with a net weight of 1.2kg. Its explosion protection rating is Ex ib IIB T4 Gb, and the protection rating reaches IP67, which can be soaked in water for 30 minutes at 1 meter without damage. The test voltage range covers 50V DC to 5000V DC, and the insulation resistance measurement range is 0.01MΩ~1000TΩ. It adopts 3.5-inch sunlight-readable LCD display, supporting Chinese and English display. It has a built-in 2000-group data storage module, and test data can be exported through USB or Bluetooth interface. The operating temperature range is -20℃ to 60℃, and the relative humidity is 30%~90% (no condensation), and it has passed ATEX and IECEx explosion-proof certifications.

It is mainly used for insulation testing of electrical equipment, cable insulation testing, tank anti-corrosion layer testing and other operations in explosive gas environments such as oil and gas extraction, refineries, gas stations, chemical warehouses, ship engine rooms, etc. It provides safe and compliant insulation testing tools for flammable and explosive scenarios, meeting national explosion-proof safety specifications.