Monitor light-sensitive exhibition objects discreetly (with the corresponding data logger): with the digital lux and UV probe with plug-in cable.

For measurements in workplaces, for example in offices or in production areas: use the lux probe (with the compatible measuring instrument) to measure illuminance.

Monitor light-sensitive exhibition objects discreetly (with the corresponding data logger): with the digital lux probe with plug-in cable.

Protect your sensitive and valuable exhibits and archived material with WiFi data logger testo&nbsp;160 THL. The testo&nbsp;160 THL climate logger with integrated temperature, humidity, lux and UV sensors ensures comprehensive monitoring of the ambient climate and light conditions in museums at all times.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<a href="https://www.testo.com/400">>> To the product</a></b></div>

Kit for measuring the illuminance in workplaces, for example in offices or in production areas. Keep the testo 440 air velocity and IAQ measuring instrument and a lux probe safely stowed away in the case. So you can get down to work straight away!

The testo 540 light meteris a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.

With the compact Lux meter testo 545, you can measure the illuminance of all common light sources easily, quickly and precisely to ensure productivity, performance and health in workplaces. The testo Smart App supports you with useful functions, e.g. configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

This ISO calibration certificate certifies that your measuring instrument or probe is calibrated. Calibration is carried out according to the ISO standard.

Product-/housing material	paper
Product colour	white

ISO luminous intensity calibration certificate - with 5 measuring points

ISO luminous intensity calibration certificate - with 5 measuring points

General technical data