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Datalogging Heavy Duty Light Meter

Extech HD450

Model: HD450 Go to Product Support
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The HD450 Light Meter measures from 0 to 40,000Fc and 0 to 400kLux with a 0.01Fc/0.1Lux resolution. Features: 5% accuracy, Peak mode (10µs), Relative mode, Min/Max, Data Hold, backlit LCD display with 40-segment bar graph, and a rugged double molded housing. In addition, the datalogger function can automatically store up to 16,000 readings or manually store/recall up to 99 readings. Comes complete with light sensor with 3ft (1m) cable and protective cover, software with USB cable, hard carrying case and 9V battery.

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  • Datalogging

    Automatically stores up to 16,000 readings or manually store/recall up to 99 readings

  • Wide Range

    40,000Fc or 400,000 Lux

  • High Quality

    Utilizes precision silicon photo diode and spectral response filter

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General Specifications
Cosine and Color Corrected
Light (Foot Candle)
40, 400, 4000, 40kFc
Light (Foot Candle) Basic Accuracy
Light (Foot Candle) Max Resolution
Light (Lux)
400, 4000, 40k, 400kLux
Light (Lux) Basic Accuracy
Light (Lux) Max Resolution
16,000 data points (continuous)/ 99 data points (manual)
PC Interface
USB with software included
Additional Details
6.7 × 3.1 × 1.6" (170 × 80 × 40mm)
1 × 9V battery
3 years
13.7oz (390g)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech HD450 - Model: HD450

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