Ordering Information:
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
Specifications subject to change without notice.
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www.extech.com 4/27/12 - R1
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
Datalogging Model Available
Automatically stores up to 16,000 readings or
manually store/recall up to 99 readings.
Heavy Duty Light Meters
Specifications
Fc Range 40, 400, 4000, 40.00kFc
Lux Range 400, 4000, 40k, 400kLux
Accuracy ±5% rdg
Max Resolution 0.01Fc/0.1Lux
Datalogging (HD450) 16,000 continuous readings; 99 selected readings
PC interface USB
Dimensions 6.7 x 3.1 x 1.6” (170 x 80 x 40mm)
Weight 13.7oz (390g)
Model HD400
Model HD450
Datalogger
