DUOYI

Features1. Support multi-language: English, Spanish, French, German, Italian, Japanese. 2. LCD display, clear, test results at a glance. 3. One-button operation, user-friendly layout, easy to use...

1. The circuit, structure and technique of traditional earth resistance tester have been improved and the new design is both fine-looking and practical. 2. This one has more complete functions,...

Features1. The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners and...

Features1. Audible signal ticker and visual leak size indicator. 2. Adjustible sensitivity as low as 14 grams/year 3. Fast warm up 4. Goose neck probe 5. Usage: air conditioning leak detector /...