While the 4000mAh battery-powered CO2 detector with audible alarm provides 6–8 hours of portable use (perfect for "walking" a building to find leaks)
Designed for modern systems
Q2: Why do I get different readings from two devices in the same room
And observe the charging status through the visual window
This Refrigerant Scale offers the highest accuracy of +/-0
ThermElc TE-04 PDF&CSV Temperature Logger, Plug and Play, Audible alarm, Large Display,-30℃~+70℃ Size:10 PCS While the 4000mAh battery-powered CO2ThermElc TE 04 USB temperature logger features a plug and play USB port interface and allows for faster access to data collected in any cold chain management process. This could be used in pharmaceuticals, food, life science, cooler boxes, medical cabinets, fresh food cabinets, freezer or laboratories. Different from the normal USB temperature data logger, the TE 04 temperature data logger has two types of alarms Sound Alarm Light alarm Its robust and