Extech HD450 Datalogging Light Meter: 40,000 Fc / 400,000 Lux

Extech HD450: Datalogging Heavy Duty Light Meter

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

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.

The Extech HD450 Datalogging Light Meter: 4000 fc / 40,000 Lux automatically stores up to 16,000 readings or manually store/recall up to 99 readings.

• Automatically stores up to 16,000 readings or manually store/recall up to 99 readings
• Large backlit LCD display with 40-segment bar graph
• Records in a continuous mode up to 16,000 readings and can manually store/recall up to 99 selected readings
• 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
• Backlight for readings in low light levels
• Heavy Duty rugged double molded housing
• Built-in USB port
• Includes Windows® compatible software, light sensor with 3.2ft (1m) cable with USB cable, hard carrying case, and 9V battery

• 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
• Datalogging: 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)

• Extech HD450 Data Sheet.pdf
• Extech HD450 User’s Manual.pdf