RKI Instruments H2S/CO/Isobutane 50% LEL/O2 81-0158RK-04 Arc Flash Gloves if you're not sure which

if you're not sure which SST monitor you own

ASTM F1790-05 ANSI Cut Level 2

Full-monitor replacement makes more sense when the monitor itself is aging

H-shaped cross-section:

RKI Instruments H2S/CO/Isobutane 50% LEL/O2 81-0158RK-04 Arc Flash Gloves if you're not sure whichRKI Instruments H2S CO Isobutane 50% LEL O2 Calibration Gas Mixture Premium calibration gas blend designed for multi gas detector testing and verification. This 34 liter aluminum cylinder contains a precisely formulated mixture: H2S 25 ppm, CO 50 ppm, isobutane 50% LEL, and O2 12% in nitrogen. Ideal for maintaining accuracy and compliance in safety monitoring equipment. Perfect for technicians and safety professionals who need reliable, traceable