9950-10/11 6-Channel Transmitter


The 9950-10/11 is a 6-channel transmitter that supports a variety of functions, is easy to set up, and can quickly adjust parameters with its automatic sensor recognition.


The modular design is fully configurable to fit any system's needs. Additional features such as derived functions and Boolean logic provide expanded control options that may reduce the need for PLCs on small skids and systems. The menu design makes the transmitter easy to operate, and relay activations are clearly signaled by the user-selectable red backlight display. Additional versatility is provided with its capability for multi-parameters through the support of the complete line of GF flow and analytical sensors.


The 9950 features up to six 4-20mA outputs, Modbus connectivity, and input and outputs that are 100% customizable. The line also offers a choice of sensor combinations: six (S3L) sensors, five (S3L) and one frequency, or four (S3L) and two frequencies.


The 9950 is suitable for a wide variety of applications including water/wastewater treatment systems, reverse osmosis, deionization, media filtration, chemical manufacturing/addition, air/fume scrubbers, cooling towers, metal and plastic finishing, aquaculture/aquarium, and pool and spa.


With its compact size and advanced capabilities, this 6-channel transmitter gives system designers the flexibility to control more sensors with fewer devices.


  • Independent 6-channel multi-parameter, flow, pH, ORP, conductivity, resistivity, pressure, temperature, level, volume, salinity, dissolved oxygen, and others (4 to 20 mA)
  • Onboard clock/calendar, derived functions, advanced relay operation, and Boolean logic
  • Easily replaces multiple devices in a system
  • Easy setup of sensor inputs along with multiple optional outputs such as 4-20 mA, Modbus RTU, and up to 8 relays


  • Reverse Osmosis
  • Deionization
  • Water/wastewater treatment systems
  • Chemical Manufacturing / Addition
  • Cooling Towers
  • Air/fume scrubbers
  • Aquaculture/aquariums
  • Pools & Fountains
  • Metal and plastics finishing
  • Rinse Tanks
  • Chemical Neutralization
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