Reed ST-172 Humidity and Temperature Data Logger with LCD Display, -40 to 70 Degrees C Temperature Range, 0 to 100%RH Humidity Range

Humidity and Temperature Data Logger. Records up to 32,700 ambient temperature and relative humidity readings. User selectable recording intervals from 1s to 24h. Minimum/maximum function with alarm. Real-time clock stores data and time. LCD readout displays current temperature ( degree F or degree C) or humidity reading, minimum/maximum reading with date and time. Download data directly to a PC via USB cable supplied. Includes data logger, mounting bracket with screws, USB cable, software diskette, security lock and battery. Humidity range: 0 to 100 percent RH. Resolution: 0.1 percent RH. Accuracy: +/-5.0 percent: 0 to 20 percent and 80 to 100 percent ; +/-3.5 percent : 20 to 40 percent and 60 to 80 percent; +/-3.0 percent : 40 to 60 percent. Temperature range: -40 to 70 degree C. Resolution: 0.1 degree C/0.1 degree F. Accuracy: +/-2 degree C (+/-3.6 degree F): -40 to -10 degree C and 40 to 70 degree C (-40 to 14 degree F and 104 to 158 degree F); +/-1 degree C (+/-1.8 degree F): -10 to 40 degree C (14 to 104 degree F). Sampling rate: user selectable rate: 1s to 24h. Power supply: 1 x 3.6V lithium battery. Measures 48mm width by 94mm height by 33mm depth.