RH/Temperature Pen Compact, Digital Hygro-Thermometer Ideal for field use Features: * Dual LCD display for Temperature, Humidity, and advanced function indication * Measures Temperature (C/F) and Relative Humidity simultaneously * Built-in Temperature and Humidity sensors for convenient operation * Max/Min memory functions for both Temperature & Relative Humidity * Built-in self calibration utility with optional RH calibration bottles * Data Hold for freezing the LCD display status * Complete with pocket clip and 3V lithium battery * Optional kit includes 33% and 75% RH Calibration Standards and hard vinyl carrying case 445582 RH Pen and Calibration Standards Kit Specifications Range Accuracy Resolution Power Dimensions Weight % Relative Humidity Temperature 10 to 90% 14 to 122F (-10 to 50C) 5% 1.8F/1C 0.1%RH 0.1C or F One lithium battery (CR2032) 5.7x 1.2 x 1" (145 x 30 x 25mm) 2.3 oz.(65g) Ordering Information: 445580 ........................RH/Temperature Pen 445580-NIST................445580 with Calibration Traceable to NIST. RH300-CAL ..................33% and 75% RH calibration reference 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.