
A colorimetric tube system read on a direct scale using the AP-20 hand pump, covering around 400 gases and vapours.
A colorimetric tube system read on a direct scale using the AP-20 hand pump, covering around 400 gases and vapours. Key features include 250+ tube types; Optional stroke counter model; Direct-reading calibrated scale.
The Kitagawa Gas Detection Tubes is supplied by Filosha Industrial with technical support and fast delivery across India and the GCC. It provides fast, low-cost colorimetric gas measurement with no power or calibration required.
| Pump | AP-20 / AP-20CT |
|---|---|
| Gases | ~400 |
| Tubes | 250+ |
| Sample | 100 mL/stroke |
| Pump weight | ~290 g |
| Standards | EN 1231 / SEI / ISO 9001 |
Specifications are indicative. Contact us for full technical data, datasheets and available variants.

A colorimetric short-term tube system covering over 500 substances, paired with the accuro hand pump or X-act reader.

An EN 1231-certified colorimetric tube system with self-calibrated scales and GV-series or electronic sampling pumps.

A bellows-pump colorimetric tube system delivering fast dual-scale spot checks across more than 150 gases and vapours.
Tell us your requirement and our team will respond with pricing and technical details.