The Environmental Tester is a reliable measuring instrument for monitoring the oxygen concentration in ambient air. With a measuring range of 0 to 30% vol. oxygen and a resolution of 0.1% vol., the Environmental Tester delivers precise readings for a wide range of applications in industry, laboratories, storage, and occupational safety.

In addition to oxygen measurement, the device also records temperature and humidity. The integrated oxygen, temperature, and humidity sensor enables comprehensive monitoring of ambient conditions. Oxygen measurement is performed with an accuracy of ±0.3% of reading, while temperature values in the range of -9 to 55°C and humidity values from 0 to 100% RH are displayed.

For easy evaluation, the Environmental Tester features a graphical trend display. This makes it possible to track changes in measured values directly on the device. In addition, up to 100,000 data sets can be stored, allowing even longer measurement series to be documented reliably.

An adjustable alarm warns the user when oxygen values become critical. This makes the Environmental Tester ideal for continuous monitoring of areas where a safe oxygen concentration is important. The built-in 3000 mA lithium battery ensures flexible mobile use and operation independently of a fixed power supply.

This Environmental Tester is ideal for applications in industry, laboratories, warehousing, occupational safety, and building services. Wherever oxygen concentration needs to be monitored reliably, the Environmental Tester supports control of room air and helps to identify critical oxygen values at an early stage.