Hot Wire Air Velocity/ Temperature Transmitter series VTT, Duct Mount Carbon Dioxide Transmitter series CDD, Wall Mount Carbon Dioxide/ Temperature Transmitter series CDW, Wet/ Wet Differential Pressure Transmitter series 631B, Magnehelic Differential Pressure Gages series 2000, Photohelic Switch/ Gages Series A3000, Differential Pressure Transmitter Series 616K, Industrial Pressure Transmitter series 626 and 628, Flotech Liquid Level Switch model L8, Cable Float Switch series CFS, Continuous Level Transmitter Customize to FIT Application, Level Switch Vertical series F6& F7, Digital Thermo Anemometer Series 471