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Specifications

Sensidyne Tube 146S — Specifications
Measuring range0.5-20 ppm 0.1-4.0 ppm
Number of pump strokes1 (100mr) 5 (500mr)
Sampling time1 minute/1 pump stroke
Detectable limit0.05 ppm (500mr)
Shelf life1 year
Operating temperature0 – 40 °C
Colour changeWhite → Red
Reaction principleBy reacting with Nitro-benzyl pyridine, urea derivative is produced