SPM Toxic Gas Monitor

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The SPM Flex provides critical analytical level monitoring of a large range of gases.  
THe unit is able to monitor to the ppb level on certain gases and to the low ppm level on others 
Gases include: 
Ammonia NH3, HF, HCL, HBr, HF,  
Chlorine(CL2) Fluorine F2,  
Phosege, HCN, Ozone,Hydrogen Peroxide 
 
It uses a lead-acetate ppaer tape monitoring system which detect the gases. The tapes have a specific shelf life and useable time