Detection instruments [india] presents colorimetric tubes and hand pumps. The pumps when used with the hand pump, offers quick, on-the-spot measurements of many gases and vapours at low cost. The tubes are easy to read with a sharp, clear colour change and provide accuracy with no need for calibration. Some of the features of the tubes include: batch calibration assures a high degree of accuracy; calibration is clearly marked on each tube; most tubes packaged in a handy box of 10; and more than 65 types and concentration ranges. Features of hand pumps are solid metal construction with exclusive lifetime warranty; spring less piston design for accurate 50 cc and 100 cc volumes; tube tip breaker and glass tip holder; simple stroke counter; clear end-af-flow indicator; and tapered inlet avoids leaks.
