Extech HD400 Heavy Duty Digital Light Meter 40,000 Fc / 400,000 Lux

DISCONTINUED ITEM-Replacement Model: Extech HD450 Datalogging Light Meter: 40,000 Fc / 400,000 Lux

Extech HD400: Heavy Duty Light Meter

Light meter with double molded housing and large backlit display with 40-segment bar graph

The HD400 Light Meter measures from 0 to 40,000Fc and 0 to 400kLux in with 0.01Fc/0.1Lux resolution. It 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. Comes complete with light sensor with 3ft (1m) cable and protective cover, software with USB cable, hard carrying case, and 9-Volt battery.

• Fc Range: 40, 400, 4000, 40.00kFc
• Lux Range: 400, 4000, 40k, 400kLux
• Accuracy: ±5% rdg
• Max Resolution: 0.01Fc/0.1Lux
• PC interface: USB

• Wide range to 4,000Fc or 40,000 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 fast 40-segment bar graph for capturing trends
• 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 HD450 Available: Automatically stores up to 16,000 readings or manually store/recall up to 99 readings.

• Workplace, clean-room, and computer room light testing
• Compliance with safety regulatory bodies (OSHA)
• Ambient testing for light-sensitive archives such as in museums and art galleries
• Schools, library and parking lot light testing
• Building and ATM area security light monitoring

• Fc Range: 40, 400, 4000, 40.00kFc
• Lux Range: 400, 4000, 40k, 400kLux
• Accuracy: ±5% rdg
• Max Resolution: 0.01Fc/0.1Lux
• PC interface: USB
• Dimensions: 6.7 x 3.1 x 1.6” (170 x 80 x 40mm)
• Weight: 13.7oz (390g)

• Extech HD400 Data Sheet.pdf
• Extech HD400 User’s Manual.pdf