EXTECH HD450

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 (10μS) 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
Ordering Information:
Specifications
Fc Range
Lux Range
Accuracy
Max Resolution
Datalogging (HD450)
PC interface
Dimensions
Weight
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 NIST Certificate
HD450 ............Heavy Duty Datalogging Light Meter
HD450-NIST ..Heavy Duty Datlogging Light Meter with NIST Certificate
TR100 ............Tripod for meters with tripod mount feature
www.extech.com
Specifications subject to change without notice.
6/29/09 - R1
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.