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CO2 meter PCE-755 model

CO2 meter PCE-755 portable model for measuring CO2, temperature and relative humidity - Check air quality. - Dual screen with 3 simultaneous parameters for CO2, temperature and humidity, and backlit for low light conditions. - Design with NDIR (non-dispersive infrared) sensor technology wave. - A manual calibration is recommended, it is also easy to calibrate outdoors around 380 - 420 ppm. - Hold function with setting the current measurement readings on the display for 8 hours (depending on time weighted average) or 15 minutes (limit short-term exposure). - Max Function, min.. and average. - Several warning signs for the level of CO2 (sound alarm ~ 80 db) - Measuring range: CO2: 0-9999 ppm Temperature: -10 to 60 Relative humidity: 0.1% to 99.9% H.r - Power supply: 4 x AA batteries - Dimensions: 205 x 70 x 56 mm - Weight: 200 g - Supplied with battery and carrying case