Specifications; Calibration And Repair Services - Extech Instruments LT300 User Manual

Specifications

Ranges and Resolution
Lux
40.00, 400.0, 4000, 40.00k, 200.0kLux
Foot candle (Fc)
40.00, 400.0, 4000, 20.00kFc
General Specifications
Display
Over range indication
Spectral response
Spectral accuracy
Measurement Repeatability ±2%
Temperature coefficient
Sampling rate
Photo detector
Peak Hold
Operating conditions
Storage conditions
Dimensions
Weight
Low battery indication
Power supply

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 Service Department for
information on calibration services available for this product. Extech recommends that
annual calibrations be performed to verify meter performance and accuracy.
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's Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Extech Instruments Corporation, 285 Bear Hill Rd., Waltham, MA 02451
Copyright © 2006 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
Multi-function 3-3/4 (3999) digit LCD with Bargraph indicator
LCD displays 'OL'
CIE photopic (CIE human eye response curve)
ï 6%)
CIE V function (f
1
o
±0.1% per C
13.3 times per second (bargraph); 1.3 times per second (digital
display)
Silicon photo-diode with spectral response filter
Capture light peaks to 10µS
Temperature: 32 to 104
Temperature: 14 to 140
6.5 x 3.0 x 1.7" (165 x 76 x 43mm)
Approx. 14.2 oz. (403g) with battery installed
" " appears on the LCD
9V battery
Support line (781) 890-7440
5
Accuracy
± (5% Rdg + 0.5% Full Scale)
± (5% Rdg + 0.5% Full Scale)
o o
F (0 to 40 C); Humidity: < 80% RH
o o
F (-10 to 50 C); Humidity: < 80% RH
LT300 V2.0 6/06