Humidity/Temperature/Pressure Datalogger Records Humidity, Temperature and Atmospheric Pressure Datalogs up to 10,000 readings with a user programmable sample rate Features: • USB interface for easy set-up and data download • Selectable Atmospheric Pressure Units: psi, hPa, kPa, and bar • Selectable data sampling rate from 1 minute to 18 hours • User-programmable Min/Max alarm thresholds • Manual and Programmable start modes • Status Indication via Red/Yellow LED and Green LED • Long battery life • Complete with 3.6V Lithium battery, mounting bracket, and Windows® 98, 2000, XP, and Vista compatible analysis software Monitors Humidity, Temperature and Air Pressure levels in clean rooms, warehouses, storage rooms, freezers, shipping vans, and water damage restoration USB connector easily plugs into a computer for data analysis Specifications Temperature Range -40 to 158°F Resolution 0.1°F/°C -40 to 70°C Humidity Air Pressure Datalogging interval Memory Dimensions Weight 0 to 100%RH 0.1%RH 13.7 to 15.2psi 0.1psi 950 to 1050hPa 0.1hPa 95 to 105kPa 0.1kPa 0.9 to 1.0bar 0.1bar 1 minute to 18 hours 10,000 points 5.1 x 1.1 x 0.98" (130 x 30 x 25mm) 1oz (20g) Accuracy (%rdg+digits) ±1.8°F (14 to 104°F) ±3.6°F (-40 to +14 and 104 to 158°F) ±1.0°C (-10 to 40°C) ±2.0°C (-40 to -10 and +40 to 70°C) ±3.5%RH Ordering Information: RHT50 ............Humidity/Temperature/Pressure Datalogger 42299 ............3.6V Lithium Batery (pkg of 2) www.extech.com Specifications subject to change without notice. 9/16/11 - R1 Copyright © 2009-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.