Datalogging Relative Humidity Temperature Pen

Records up to 32,000 data points that can be downloaded by plugging the pen directly into a USB port - no cradle or cable necessary. Data logging can be programmed to begin immediately, at a predetermined time, activated by the unit's push-button, or to continually roll over after a set number of data points. Green and red led lights indicate data logging and alarms. Comes with software, 3.6V 1⁄2 AA battery 3.6V ER14250, tripod screw and a wrist strap. Can also be used with an optional AC adapter #800003 Air Temperature RH Dew Point Wet Bulb 5 Year Warranty, CE, RoHS Dimensions: 1 × 51⁄4 25 × 133 mmWeight: 1.2 oz 34 g *Certification Option N.I.S.T. traceable Certificate of Compliance available at additional cost Select option above. Specifications Range Resolution Accuracy Temperature: -40 to 185 degrees F-40 to 85 degrees C 0.1 degrees F or C ±0.6 degrees C / 0.9 degrees F -20 to 50 degrees Cotherwise ±1.2 degrees C, ±2 degrees F Humidity: 0.1 to 99.9% 0.1% ±3% @25 degrees C & 10 to 99% RHotherwise ±5% Downloads Instruction Manual Product Brochure Product Software Comparison Chart Comparison Chart