Big Digit Hygro-Thermometer Probe Clips onto Meter Or extends on 18" (457mm) cable Features: * Max/Min with reset function * Rear calibration adjustment pot * Humidity: 10 to 99% RH * Temperature: 14 to 140F (-10 to 60C) * Optional RH calibration bottles * Accuracy: 4%RH; 1C/1.8F * Dimensions: 4.3 x 3.9 x 0.78" (109 x 99 x 20mm) * Weight: 6oz (169g) * Complete with built-in stand, mounting bracket, sensor, and 1 AAA battery; optional calibration salt bottles RH300-CAL Optional calibration salt bottles Ordering Information: 445715 ........................Big Digit Remote Probe Hygro-Thermometer 445715-NIST................445715 with Calibration Traceable to NIST. RH300-CAL ..................Optional 33% and 75% RH calibration standards www.extech.com Specifications subject to change without notice. 09/19/11 - R1 Copyright (c) 2007-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.