Climate probe (CO2, °C, % RH), Carbon dioxide probe (BT), Incl. Bluetooth handle Handle with Bluetooth® for cordless connection of probe heads to the testo 440 measuring device. With practical button on the handle for saving individual measured values. For checking the room climate, e.g. in offices, production rooms or warehouses. In addition to determining the CO2 level, humidity and temperature are measured in parallel. Calculation of wet bulb temperature, dew point and absolute humidity possible. Delivery incl. Bluetooth® handle, table stand, calibration protocol and batteries. Technical Information Parameters carbon dioxide temperature humidity Sensor type carbon dioxide probe Carbon dioxide measuring range 0 to 10,000 ppm Carbon dioxide accuracy ±(50 ppm + 3% of measured value) (0 to 5000 ppm) ±(100 ppm + 5% of measured value) (outside) Version 0 to 10,000 ppm Temperature measuring range 0 to +50.0 °C Temperature accuracy ±0.5 °C Rel. humidity measuring range 5.0 to 95.0 % Rel. humidity accuracy max. ±5%; see operating instructions Air pressure measuring range 700.0 to 1100.0 hPa Air pressure accuracy ±3 hPa Radio range outdoors 20 m L x W x D 290 x 50 x 40 mm Power supply 4 x 1.5 V AA batteries PDF Technical Documentation (PDF)