STM 225 Black Edition (SYSTRONIK)

TÜV-tested dust measuring instrument for solid fuel systems such as pellets or wood fired systems for determining the mass concentration of particles/dust and for monitoring the limit values of particulate matter.

Intuitive operation via menu-guided measuring sequences


Easy Bluetooth® connection of flue gas analyser MULTILYZER® STx as central controller for operation, flue gas analysis and data output

  • Visualisation via 5.7“ colour touch display
  • Permanent indication of the current measured value
  • Short setup time due to fast heat-up and calibration phase

TÜV approved for stages 1 and 2, including limit value monitoring 150 mg/m3 for old systems as well as 30-minutes mean value measurement of single room combustion systems. The sampling probe can also be used for tightness tests of the entire gas path. Ideal for chimney sweeps, heating system engineers and service technicians for performing required particulate matter measurements, e.g. as per 1st German Federal Immission Act.

The measuring system determines the dust concentration by means of a state-of-the-art optical scattered light method. This measuring principle provides for fast and accurate measuring results and also allows for real-time diagnostics – independent of external influences such as shocks and impacts. A great feature considering rough field service conditions.

General data
Dimensions H x W x D 205 x 275 x 350 mm
Weight approx. 7.5 kg (instrument)
Display type Color touch display 5.7″ (14.5 cm)
Measuring range 0 to 300 mg/m3 dust
Measured values
O2: 0 to 21 vol.-%
CO/H2: 0 to 12.000 mg/m3
CO: 0 to 50.000 mg/m3
Resolution 0.1 mg/m3
Power supply AC 230 V, 50 Hz
Ingress protection rating IP40 (EN 60529)


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