Extech HD-400 Light Meter 40-400,000 Lux

The Lux meter HD400 is suitable to measure the light in working places offices and public buildings. The HD400 uses a precision silicon photodiode and a spectral filter gives a precise measurement. The HD400 is robust and suitable for all outside weather conditions.

• Measuring range 40 - 400 000 Lux
• Measurement of cosine or colour corrections
• Peak mode of 10µs
• Relative mode for changes of the level of light
• USB port
• Accuracy: ±5%
• Dimensions: (L x W x H) 170 x 80 x 40mm
• Light intensity resolution: 0,1 lx
• Weight: 390g
• Supplied with 1x battery (9V), integrated stand, carrying bag, software for Windows 95/98/NT/2000/XP and USB cable