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The Biosystems ToxiPro units are the most robust units I have worked with. They can come with the following sensors, O2, CO, H2S, SO2, CO-H, Cl2, NH3, NO2, PH3, HCN. Also the vibrating alarm is option … read more

So, let's say you have a job coming up, or you or one of your employees are getting ready to start their day. Assuming that your PPE includes the use of 4-gas monitor, in this case let's say it's a BW … read more

How to replace an Oxygen Sensor in an ISC M40Step 1: - Open up the ISC M40The ISC M40, uses high quality, machine thread screws for the cover. Once you have removed all of the screws, use caution wh … read more

Got a MSA Altair 4 that gives you an O2 Sensor Error? Let's fix it! Step 1: - Remove the cover We'll start by removing the screws from the back cover of the MSA Altair … read more

Use this calibration gas:20ppm Hydrogen Sulfide60ppm Carbon Monoxide58% LEL Pentane (1.45% Volume Methane as a Simulant)15.0% OxygenNitrogen BalanceWant to calibrate the MSA Altair 4 or MSA Altair 4X? … read more