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Specifications

Sensidyne Tube 233S — Specifications
Measuring range2-20 ppm 1-10 ppm
Number of pump strokes(100mr) 2 (200mr)
Sampling time1.5 minutes/1 pump stroke
Detectable limit0.5ppm (200mr)
Shelf life1 year
Operating temperature5 – 40 °C
Colour changePale yellow → Purple
Reaction principlePH indicator is discoloured