English Datasheet

Heavy Duty Light Meters
Datalogging Model Available
Automatically stores up to 16,000 readings or
manually store/recall up to 99 readings.
Features:
• HD450 Datalogger model automatically stores up to 16,000
readings or manually store/recall up to 99 readings
• Wide range to 40,000Fc or 400,000 Lux
• Cosine and color corrected measurements
• Utilizes precision silicon photo diode and spectral response filter
• Peak mode (10mS) captures highest reading
• Relative mode indicates change in light levels
• Min/Max and Data Hold
• Large backlit LCD display with 40-segment bar graph
• Heavy Duty rugged double molded housing
• Built-in USB port
• Includes light sensor with 3ft (1m) cable and protective cover,
Windows® compatible software with USB cable, hard carrying
case, and 9V battery
Model HD400
Model HD450
Datalogger
Specifications
Fc Range
Lux Range
Accuracy
Max Resolution
Datalogging (HD450)
PC interface
Dimensions
Weight
Ordering Information:
40, 400, 4000, 40.00kFc
400, 4000, 40k, 400kLux
±5% rdg
0.01Fc/0.1Lux
16,000 continuous readings; 99 selected readings
USB
6.7 x 3.1 x 1.6” (170 x 80 x 40mm)
13.7oz (390g)
HD400 ............Heavy Duty Light Meter
HD400-NIST ..Heavy Duty Light Meter with Calibration Traceable to NIST
HD450 ............Heavy Duty Datalogging Light Meter
HD450-NIST ..Heavy Duty Datlogging Light Meter with Calibration Traceable to NIST
TR100 ............Tripod for meters with tripod mount feature
www.extech.com
Specifications subject to change without notice.
4/27/12 - R1
Copyright © 2008-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.