DRÄGER 67 33 141, Styrol 10/b, Short-term tube - NEW

Drägerwerk AG & Co. KGaA / Draeger Safety UK Ltd. Short-term tube, 67 33 141, Styrol 10 b

Model: 6733141


Standard Measuring Range: 10-250 ppm
Number of Strokes (n): 20
Time for Measurement: app.3 min
Standard Deviation: ±15...20%
Colour Change: white ? red brown
Temperature: 0 to 40°C
Absolute Humidity: 3-15 mg H2O/L

Reaction Principle
C6H5-CH=CH2 + HCHO ? red brown reaction product

Cross Sensivity:
Other organic compounds, which react with the formaldehyde/sulphuric acid indicating system
(e.g. xylene, toluene, butadiene and ethyl benzene) affect the indication.
It is impossible to measure monostyrene in the presence of these compounds.
No interference by:
200 ppm methanol
500 ppm octane
400 ppm ethyl acetate