Extech HD450 Datalogging Heavy Duty Light Meter

ITEM #: EXT-HD450 MFG #: HD450

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We are an authorized dealer for this series; however, the manufacturer does not permit online sales. Please contact a sales engineer at 1-800-522-2025 to complete your purchase.

Availability: Typically Ships in 3-10 Business Days
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  • Special Order Item: non-cancelable, non-returnable, non-refundable.


HD450 - Overview

Light meter with double molded housing and large backlit display with 40-segment bar graph
The Extech 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 (10æs), 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.

  • Features:

    • Automatically stores up to 16,000 readings or manually store/recall up to 99 readings
    • Large backlit LCD display with 40-segment bar graph
    • 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
    • Backlight for readings in low light levels
    • Heavy Duty rugged double molded housing
    • Built-in USB port
     
  • Specifications:

    • Display: 4000 count LCD display with 40 segment bargraph
    • Ranging: Four ranges, manual selection
    • Over Range Indication: LCD displays 'OL'
    • Spectral Response: CIE photopic (CIE human eye response curve)
    • Spectral Accuracy: V? function (f'1 ≤6%)
    • Cosine Response: f'2 =2%; Cosine corrected for angular incidence of light
    • Measurement Repeatability: ±3%
    • Display Rate: Approximately 750 msec for digital and bargraph displays
    • Photo Detector: Silicon photo-diode with spectral response filter
    • Operating Conditions Temperature: 0 to 40°C (32 to 104°F); Humidity: < 80%RH
    • Storage Conditions Temperature: (-10 to 50°C (14 to 140°F); Humidity: < 80%RH
    • Meter Dimensions: 170 x 80 x 40mm (6.7 x 3.2 x 1.6")
    • Detector Dimensions: 115 x 60 x 20mm (4.5 x 2.4 x 0.8")
    • Weight: Approx. 390g (13.8 oz.) with battery
    • Sensor Lead Length: 1m (3.2')
    • Low Battery Indication: Battery symbol appears on the LCD
    • Power Supply: 9V battery
    • Battery Life: 100hrs (backlight off)
     
  • Item Includes:

    • 1x Extech HD450 Datalogging Heavy Duty Light Meter
    • 1x USB with software included
     

HD450 - Required Accessories

    California Residents:
    WARNING:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov