Extech Instruments IR250 User Manual

IR250 V2.0 6/09 6
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Support line (781) 890-7440
Technical Support: Extension 200; E-mail: support@extech.com
Repair & Returns: Extension 210; E-mail: repair@extech.com
Product specifications subject to change without notice
For the latest version of this User Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
www.extech.com
Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451
Calibration and Repair Services
Extech offers repair and calibration services for the products we sell. Extech also
provides NIST certification for most products. Call the Customer Care Department for
information on calibration services available for this product. Extech recommends that
annual calibrations be performed to verify meter performance and accuracy.
Copyright © 2009 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.

Extech Instruments IR250 Specifications

Temperature Measurement

temperature range	-20 to 260°C (-4 to 500°F)
temperature resolution	0.1°
temperature accuracy	-20°C to -7°C (-4 to 20°F): ±4°C (7.5°F); -7°C to 260°C (20 to 500°F): ±3% of reading or ±2.5°C /5°F (whichever is greater)
emissivity	Fixed 0.95

Display

display type	Backlit LCD display with function indicators
display update rate	Less than 1 second

Operating Environment

operating temperature	0°C to 50°C (32°F to 122°F)
operating humidity	80% Relative Humidity max.

Power

power supply	9V battery
automatic power off	Meter shuts off automatically after 8 seconds

Weight and Dimensions

weight	125g (4.4 oz)
dimensions	80x31.7x137mm (3.15 x 1.25 x 5.4”)