Testo 400 Universal IAQ Instrument Borescope oil and water that can

oil and water that can cause false readings

The distance between the tachometer and the measurement object can be up to 600 mm

5°C (0 to +60°C)

This model has a measuring range of 0-12" / 0-300mm

001mm for 0-25mm model

Testo 400 Universal IAQ Instrument Borescope oil and water that canThe Testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze, and document all IAQ and comfort level parameters using just one instrument simply, conveniently, and in compliance with the standards. High quality measuring technology, intuitive measurement assistants, versatile documentation options, and a comprehensive selection of IAQ probes make the Testo 400 the perfect partner for your day to day work. IMPRESSIVE