Tube Cap Adapter for 20mm Gas Sensors

Tube cap adapters convert any industry standard 20mm gas sensor from diffusion to sampling sensors.  We offer 3 standard gas in-out tube caps that work with any 20mm gas sensor and 2 custom 20mm tube caps with ribbon cables for sensors on MX boards that have barometric pressure, temperature, and % relative humidity sensors on board. Verify the tube cap you need from the models below. Tube cap adapters are not pre-installed. For accurate results you must mount the tube cap permanently. This video shows you how. Models for all 20mm Sensors TC-1 - 3 mm side mounted ports TC-2 - 3 mm top mounted ports TC-3 - 4.5 mm top mounted ports Works with: AlphaSense O2-A2 Oxygen Sensor AP-0001 AlphaSense O2-A3 Oxygen Sensor AP-0004 AlphaSense CO-AF CO Sensor AP-0005 AlphaSense COH-A2 Dual Gas Sensor AP-0011 AlphaSense H2S-A1 Hydrogen Sulfide Sensor AP-0006 AlphaSense CH-A3 Pellistor Sensor AP-0012 Cubic SJH Series Methane Sensor CU-1000 ExplorIR®-W 5% CO2 Sensor GC-0015 ExplorIR®-W 20% CO2 Sensor GC-0006 ExplorIR®-W 100% CO2 Sensor GC-0016 Luminox LOX-02 Oxygen Sensor OX-0052 Oxygen O2 Transmitter TX-1 SprintIR®-W 100% CO2 Sensor GC-0018 Any 20mm barrel shaped sensor not listed above Models for Sensors on MX Boards Use with sensors on MX boards only. Ribbon cable connects to the PCB to measure barometric pressure, temperature, and % relative humidity levels in gas sample. TC-4 - 3 mm side mounted ports away from sensor TC-5 - 3 mm side mounted ports towards sensor Works with: LuminOX LOX-02 25% Oxygen Sensor Devkit ExplorIR®-M 5% CO2 %RH/T Hg Sensor ExplorIR®-M 20% CO2 %RH/T Hg Sensor ExplorIR®-M 100% CO2 %RH/T Hg Sensor Warranty: 1 Year. See GasLab Terms and Conditions. Tube Cap Permanent Installation Procedure (pdf) Pressure Effects on Concentration (pdf) Video To get the most use out of our tube cap adapters you'll need tubing, moisture and particle filters, and a micro pump to pull the gas across the sensor. We offer everything you need below to create a full bench-top gas sampling setup. Micro-Pump Kit Our most popular option - includes all the tools you need to utilize the tube-cap adapters as part of a sampling sensor system. Nafion tubing is a highly selective, semi-permeable membrane to water vapor. If gases inside Nafion tubing are wetter than gases surrounding the tubing, drying will occur. If the surrounding gases are wetter, humidification will occur. Micro gas sampling pumps provide a constant flow of air across the sensor with a tube cap - perfect for bench-top testing of sensors for closed-loop sampling applications or if you need a longer-lasting or higher volume pump.