owg-Yes it was a paid service at CANMET. They are cheaper than CSA but the last time we used them, they did not do all the necessary tests for standards CSA C22.2 No.30 and UL 1203. So, we are paying CSA to do the rest of the testing. Note: CSA should honour the testing done at CANMET but talk...
Thanks cthame and owg.
I have gotten CANMET in Ottawa Canada to do the necessary tests. For the gas mixture is 17% acetylene, 22% oxygen, 61% air, the maximum experimental pressure was 130 psi. I used 305 psi is the design. I also design the sensor housing to UL 1203 and that standard said the...
I am designing a hazardous gas sensor housing that must be explosion-proof and follow CSA standard C22.2 No. 30. One test that is used in testing of the standard is a gas-air mixture is flowed into the housing through the stainless steel flame arrester. Once inside, the gas is ignited. I would...