GAS MONITORS C16 Portable Gas Detector A14/A11 Stationary Gas Monitor F12 Toxic Gas Transmitter B12 2-Wire Modular Gas Detector D12 Toxic / Combustible Gas Detector B14 Gas Alarm Module D12IR Infrared Gas Transmitter A12 2-Wire Toxic Gas Transmitter B12 Wet Gas Detector A12-17 Combustible Gas Transmitter Q45S Wet H2S Gas Detector C12-17 Combustible Gas Transmitter A21 Gas Sampler C14 Scan Alarm Receiver A23-14 Ozone Generator

WATER MONITORS Q45D-ODO Optical Dissolved Oxygen Monitor Q46H/62-63 Residual Chlorine Monitor Q45D Dissolved Oxygen Monitor Q45H/62-63 Residual Chlorine Monitor Q45P/R pH/ORP Monitor Q45H/79 Total Chlorine Monitor Q22PX Universal pH Sensors A15/79 Total Chlorine Monitor Q45C2 2-Electrode Conductivity Monitor B20 Residual Chlorine Recorder Q45C4 4-Electrode Conductivity Monitor Q45H/64 Dissolved Ozone Monitor Q45CT Toroidal Conductivity Monitor Q45H/65 Chlorine Dioxide Monitor Q40CT Blind Toroidal Conductivity Monitor Q45H/84 Hydrogen Peroxide Monitor A15/66 Residual Sulfite Monitor Q45H/85 Peracetic Acid Monitor A15/76 Turbidity Monitor Q45N Dissolved Ammonia Monitor A15/81 Dissolved Sulfide Monitor C10/77 Particle Counter A15/82 Fluoride Monitor PQ45 Portable Monitor & Data-Logger System Q45WQ Water Quality Panel