Suitable for working in a dark room, when illuminated, the beam is invisible at all, the optimal working distance is up to 5 meters
My review is now enriched with some photos to help you make a more informed decision.
🔥 Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
🌬️ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
Portable Handheld Manometer 📏 for Accurate Pressure Differential Measurement
5 Review
🔍 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review