This luxmeter permits measurements of light intensity. It provides a sensor adjusted to the spectral sensitivity of the eye. A backlit display and an auto-off function complete the instrument.

• HOLD function for easy measurement value readout
• Max./Min. values
• Operating temperature from 0 to +50 °C

The testo 540 lux meter can be used to measure both artificial and natural light and provides with a quick and easy means of measuring lighting conditions in the workplace. This meter is a pocket-sized entry level model designed specifically for carrying out spot checks in the workplace, shops and offices.