Pocket light meter Testo 540

Testo 540 is a modern portable luxmeter. It belongs to the testo Pocket Line series. Luxmeters are designed to measure light intensity in office, industrial and residential areas, greenhouses, educational institutions, shopping centers, etc.

Light sensor testo 540, which is specially adapted to the spectral sensitivity of the human eye, will help to optimize energy costs and control the light intensity for compliance with the regulatory value. From the large display it is convenient to read all the necessary information: current, instantaneous, minimum and maximum value, as well as the state of the batteries.

The advantages of the device include:

• Compact size;
• Low weight;
• Ease of operation;
• Easy to transport and store;
• Measurement accuracy.

Technical Specifications

Storage temperature -40 ... +70 °C
Operating temperature 0 ... +50 °C
Battery type 2 AAA micro batteries
Battery life 200 hours
Dimensions 133 x 46 x 25 mm
Measurement range 0 ... 99999 Lux
Error ±3 Lux ±3 % from ISM. value