Skip to content
Agents online · Mon–Fri 8:00–4:30 ET
Montreal HQ · Serving North America
1-888-287-3732
In-house calibration
Fast worldwide shipping
Real tech support
Built by Engineers

Specifications

Sensidyne Tube 121SD — Specifications
Measuring range0.5-10.0 ppm 0.25-5.0 ppm 1-20 ppm
Number of pump strokes1 (100mr) 2 (200mr) (50mr)
Sampling time1 minute/1 pump stroke
Detectable limit0.1 ppm (200mr)
Shelf life1 year
Operating temperature0 – 40 °C
Colour changePale orange → Brownish purple
Reaction principleBy reacting with Mercuric chloride (II), Hydrogen chloride is produced and PH indicator is discoloured