• Sensor adjusted to spectral sensitivity of the human eye
• Hold-function and max./min. values
• Display illumination
• Lux and Foot Candle settings

The testo 540 is a small handheld light intensity meter configurable to read values in Lux and Foot Candles. It is the perfect tool to check or measure light intensity and distribution in exhibit halls and display cases since the photo sensor is adjusted to spectral sensitivity of the human eye. The useful hold function stabilizes measurement value. The display of the Max and Min values alternate with the press of a button. The testo 540 light meter comes with the belt case, protective cap, wrist strap, and a set of 2 AAA batteries.