QEL Safety
B5-O3-1P-0-A
B5-O3 / Ozone Electrochemical 0-1 PPM, BACnet
Building automation & HVAC controls · Ships across Canada & the US
311 products
QEL Safety
B5-O3 / Ozone Electrochemical 0-1 PPM, BACnet
QEL Safety
B5-PH3 / Phosphine Electrochemical 0-1 PPM, B
QEL Safety
B5-PH3 / Phosphine Electrochemical 0-5 PPM, B
QEL Safety
B5-SIH4 / Silane Electrochemical 0-50 PPM, BA
QEL Safety
B5-SO2 / Sulphur Dioxide Electrochemical 0-6
QEL Safety
B6-CO / Carbon Monoxide Electrochemical 0-250 PPM + Q6R-NO2 / Nitrogen Dioxide Electrochemical 0-10 PPM or Q6R-CH4 / Methane or Q6R-C3H8 / Propane Catalytic Bead 0
QEL Safety
B8-ASH3 / Arsine Electrochemical 0-1 PPM, BAC
QEL Safety
B8-B2H6 / Diborane Electrochemical 0-2 PPM, B
QEL Safety
B8-BUTAN / Butanol, n-Butane Catalytic Bead 0
QEL Safety
B8-C2H4 / Ethylene Catalytic Bead 0-100% LEL,
QEL Safety
B8-C3H8 / Propane Catalytic Bead 0-100% LEL,
QEL Safety
B8-C4H10 / Iso-Butane Catalytic Bead 0-100% L
QEL Safety
B8-C5H12 / Iso-Pentane Catalytic Bead 0-100%
QEL Safety
B8-C6H6 / Benzene Catalytic Bead 0-100% LEL,
QEL Safety
B8-CH3CO / Acetone Catalytic Bead 0-100% LEL,
QEL Safety
B8-CH3OH / Methanol Catalytic Bead 0-100% LEL
QEL Safety
B8-CH4 / Methane, Natural Gas Catalytic Bead
QEL Safety
B8-CL2 / Chlorine Electrochemical 0-5 PPM, BA
QEL Safety
B8-CLO2 / Chlorine Dioxide Electrochemical 0-
QEL Safety
B8-CO / Carbon Monoxide Electrochemical 0-100
QEL Safety
B8-CO / Carbon Monoxide Electrochemical 0-250
QEL Safety
B8-GEH4 / Germane Electrochemical 0-2 PPM, BA
QEL Safety
B8-GENL / Combustible Catalytic Bead 0-100% L
QEL Safety
B8-H2 / Hydrogen Electrochemical 0-1000 PPM,