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EXTECH HD400 Light Meter

The Extech HD400 Light Meter provides precise measurement of light intensity from 0 to 40,000 foot-candles and 0 to 400,000 lux with a 0.01 Fc and 0.1 Lux resolution. It employs a silicon photodiode with spectral response filtering for consistent accuracy. The device features a large backlit LCD with a 40-segment bar graph, peak mode for capturing maximum readings in 10 milliseconds, and relative mode for detecting light level changes. Its rugged double-molded housing offers durability, and a built-in USB port facilitates easy data transfer. Includes a light sensor with cable, software, case, and battery.

Authorized Distributors
Source:DigiKey
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $233.52
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Part No:HD400
Stock:0
Inv Date:06-06-2026
Price: Unit price: $314.47
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Part No:HD400
Stock:0
Inv Date:06-06-2026
Price: N/A
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Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $247.49
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Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $334.76
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Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $269.59
Buy/RFQ:
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $269.59
Buy/RFQ:
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $247.49
Buy/RFQ:
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $247.49
Buy/RFQ:
Authorized Distributors
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:HD400
Stock:0
Inv Date:06-05-2026
Price: Unit price: $290
Buy/RFQ:

EXTECH HD400 Light Meter Specifications:

  • Range: 40, 400, 4000, 40.00KFc
  • Lux Range: 400, 4000, 40K, 400K Lux
  • Accuracy: ±5% reading
  • Max Resolution: 0.01Fc / 0.1Lux
  • Datalogging: 16,000 continuous readings; 99 selected readings
  • PC Interface: USB
  • Dimensions: 6.7 x 3.1 x 1.6 inches (170 x 80 x 40 mm)
  • Weight: 13.7 oz (390 g)

Buy the Buy Extech HD400 Light Meter Part Number HD400 Online

Order the Extech HD400 Light Meter online now to ensure precise measurement of light levels from 0 to 40,000 foot-candles and 400,000 lux. This durable device features peak and relative modes, a large backlit LCD with bar graph, and a USB port for effortless data transfer. Its rugged design withstands tough environments, making it ideal for laboratories, manufacturing, and lighting professionals. Purchase today and optimize your light measurements with this reliable, high-resolution tool for accurate and efficient light assessment.

Get Extech HD400 Light Meter today—designed for accurate readings and rugged performance in professional environments.

Frequently Asked Questions

Where can I buy EXTECH HD400?

You can click on the BUY or RFQ button to purchase HD400 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part HD400?

You can download the HD400 datasheet or visit the EXTECH website for support.

Who is the manufacturer of HD400?

EXTECH

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