9950 Dual Channel Transmitter

GF SignetSKU: 3-9950-1

Sale price$1,473.00
Non-Stock Item - Ordered as needed. Contact us if you need more information.

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The 9950 Transmitter is a two channel controller that supports two sensors of same or different types in one instrument. The sensor types supported by the 9950 are Signet Flow, pH/ORP, Conductivity/Resistivity, Salinity, Temperature, Pressure, Level, Dissolved Oxygen, and devices that transmit a 4 to 20 mA signal with the use of the 8058 iGo Signal Converter.

The 9950 includes advanced features such as derived functions, advanced multiple relay modes, and timer based relay functions. Derived functions allows for the control of a relay or current loop with the sum, delta (difference), or ratio of two measurements, for example delta pressure and delta temperature. Multiple relay modes allow up to three signals to be used for the control of a single relay. This can be any combination of analog and binary inputs. The timer relay modes allow a relay to be activated on a repeating basis from every minute to once every 30 days. Weekday timer mode allows a relay to be energized on a specific day or days of the week at a specific time.

The 3-9950.393-3 Relay Module includes the ability to interface up to four binary inputs. The binary inputs are compatible with either open collector or mechanical contacts. The binary inputs can supply power to the four inputs or accepts powered outputs from external devices. These inputs can be used with level switches, flow switches, pressure switches or other devices. The inputs can be used to directly control the relays of the 9950 or can be used in combination with the measurement readings for advanced control of your process.


  • Out of the box “Easy Setup” prompts user for general settings that allows for faster system commissioning.
  • True independent two channel Multi-Parameter input selection allows mix and match of frequency, (S3L), or 4 to 20 mA to (S3L), providing a multitude of measurement capabilities.
  • Custom independent channel labeling for easy process identification.
  • Sensor recognition aids in parameter identification for simple channel setup.
  • Adjustable backlighting allows for clear viewing, even in the darkest areas.
  • Optional relay module with 4 dry contact relays (SPDT) for a wide variety of functions including Low, High, Timer, and Proportional Pulse.
  • Optional relay module with 2 dry contact (SPDT Relays) and 4 binary input (switches) means added parameter feedback in the form of flow, level, pressure etc., giving up to a total of six process inputs.
  • Advanced Boolean logic allows for up to three process inputs per relay meaning more control options.
  • The integrated USB port allows field upgrades so there is no need to pull the unit from service.
  • The Derived Function feature allows for two like channel measurement comparisons such as Sum, Delta (difference), and Ratio to be displayed and outputted via relay or loop (4 to 20 mA).


  • Wastewater Treatment
  • Reverse Osmosis
  • Deionization
  • Chemical Manufacturing/Addition
  • Metal and Plastic Finishing
  • Fume Scrubbers
  • Cooling Towers
  • Media Filtration
  • Chemical Dosing/Injection
  • Aquatic Life Support
  • Pools and Fountains
  • Rinse Tanks
  • Chemical Neutralization

Signet Compatible Products:

  • 515 Paddlewheel Rotor-X Flow Sensor
  • 2536 Paddlewheel Rotor-X Flow Sensor
  • 525 Metalex Flow Sensor
  • 2000 Micro Flow Sensor
  • 2100 Turbine Flow Sensor
  • 2507 Micro Flow Sensor
  • 2540 High Performance Flow Sensor
  • 2551 Electromagnetic Flow Sensor
  • 2552 Metal Magmeter Flow Sensor
  • 2537 Paddlewheel Flowmeter
  • 2610 Dissolved Oxygen Sensor
  • 2724-2726 pH/ORP Electrodes
  • 2734-2736 pH/ORP Electrodes
  • 2764-2767 Differential DryLoc pH/ORP Electrodes
  • 2774-2777 Threaded DryLoc pH/ORP Electrodes
  • 2750 DryLoc pH/ORP Sensor Electronics
  • 2850 Conductivity/Resistivity Sensor
  • 2250 Hydrostatic Level Sensor
  • 2350 Temperature Sensor
  • 2450 Pressure Sensor
  • i-Go 8058 Signal Converter
  • 2819-2823 Conductivity Electrodes
  • 2839-2842 PVDF Conductivity Electrodes
  • ULTRAFLOW U1000 Ultrasonic Flow Sensor
  • ULTRAFLOW U3000 / U4000 Ultrasonic Flow Sensor
  • 2260 Ultrasonic Level Transmitter
  • 2270 Ultrasonic Level Sensor
  • 2756-2757 Wet-Tap Electrodes


None available

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