RKI Instruments ES-1821 Replacement CO Carbon Monoxide Sensor 0-500 ppm for GX-2009/GX-2012/GX-6000/GasWatch 2/Gas Tracer MFG# RKI-ES-1821 $150.00 $142.50 Add To Cart
RKI GX-6000 Portable Gas Monitor, LEL, O2, H2S, CO, PID: 10.6 eV Lamp (0-40,000 ppb PID), Li-Ion battery pack and 115 VAC charger MFG# RKI-72-6AAX-C $4,480.00 $4,009.60 Add To Cart
RKI GX-6000 Portable Gas Monitor, Benzene Specific PID Sensor, Li-Ion battery pack and 115 VAC charger MFG# RKI-72-6XZX-C $4,250.00 $3,612.50 Add To Cart