Calibrating a fixed gas detection system is essential for ensuring accurate gas concentration measurements and compliance with safety and environmental regulations. The calibration process typically involves the following steps:
1. Preparation
- Review Manufacturer Guidelines: Check the equipment manual for specific calibration instructions and recommended calibration gas.
- Select Calibration Gas: Use the appropriate calibration gas concentration for the sensor type (e.g., methane, carbon monoxide, oxygen, SO₂).
- Ensure Proper Equipment: Gather the required tools, including a calibration gas cylinder, regulator, tubing, and a calibration adapter if needed.
Impa 850184
3.4L, 10L
Common Mixtures:
- Nitrogen N2 pure 99.999%
- Methane CH4 50% LEL in air
- N-butane C4H10 50% LEL in air
- Propane C3H8 50% LEL in air
- Carbon Dioxide CO2 40% CO2 in N2
- Carbon Dioxide CO2 5% CO2 in N2
- Oxygen O2 18% in N2
- Oxygen O2 21% in N2
- Oxygen O2 2% in N2
- Methane 3% in N2
- 25PPM H2S, 50PPM CO, 0.9% I-C4H10, 12% O2 in N2
- Custom mixture
See Datasheet
All with 24 month shelf life and CGA 660 valve / connection
Aluminum – 650(H) x 180mm(Dia) excluding valve
Steel – 840(H) x 140mm(Dia) excluding valve
Regulator: R21 single stage St/Stl
R21 regulators are supplied with 1/4” NPT Female inlet and outlet fittings
Outlet pressure must be specified:
Single-stage stainless steel, outlet pressure 100 psi / 7 bar
Single-stage stainless steel, outlet pressure 50psi / 3.5 bar
