Thermohygrometer testo 623

Thermohygrometer testo 623,historyfunc. of measured values, 0-100% rF,-10 - +60°C Large display for displaying the current and underlying temperature and humidity values with date and time Choice between temperature or humidity histogram Graphical ball kinderication of the measured values of the past hour (at 5 min measurement frequency), 2 hours (at 10 min measurement frequency), 12 hours (at 1 hour measurement frequency), 24 hours (at 2 hours measurement frequency) or 12 days (at 24 hours measurement frequency) Optical alarm (limit value adjustable) Max/Min function For drop and hang Technical data: Measuring range/resolution 0.0 to 100.0 % RH -10.0 to +60.0 °C Accuracy ±2 % RH at +25 °C (10 to 90 % RH) ±3 % RH (outside) ±0.4 °C Operating temperature -10 to +60 °C Dimensions (L x W x D) 185 x 105 x 36 mm Weight 240 g Delivery incl. calibration protocol and 4 batteries Mignon 1.5 V.