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Product Groups
Flow Transmitter with rate-total display - relay outputs available
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
FP90 Series
  • Permanent and Resettable Totalizers
  • Scalable Outputs
  • Relay Options
  • Mounting Versatility
  • Simulate Function
  • 2 x 16 Character Dot Matrix LCD
  • Chemical Resistant Enclosure and Self-Healing Window
  • Large Pushbuttons
  • Clearly Marked Terminal Labels Application
  • Flow Control and Monitoring
  • Filtration or Softener Regeneration
  • Effluent Totalization
  • Pump Protection
  • Feed Pump Pulsing
  • Water Distribution
  • Leak Detection
 Manuals (contact with email : [email protected])


The FP90 Series Flow Transmitter is an advanced solution that converts the signal from many flow sensors into a 4 to 20 mA signal for long distance transmission. Configuration flexibility is maximized with two optional relays for process control, two packaging options for integral/pipe mount or panel installation, and scalability for virtually any flow range or engineering unit. State-of-the-art electronic design ensures long-term reliability, signal stability, and simple user setup and operation. The FP90 can be integrally mounted to FP8500 series paddlewheel sensors utilizing an mounting kit. The FP90 can be remotely used with the trodeks ® FP-5100, FP-5200, FP-5300, FP-5060, FP-2541, FP-5600, FP-3-1500 or FP-6000 flow sensors and a FP90UM mounting kit. The FP90-XP units are designed to be panel mounted. The three front keys control all programming and scaling of the FP90-there are not pots to tweak or internal adjustments to make. Simply enter the K-factor and the FP90 displays rate with field-adjustable decimal point, mA output value, total (field selectable for resettable or non-resettable operation) and the date of the last reprogramming. The 8-digit alphanumeric LCD shows every program step in clear language, allowing display in any engineering units and timebase in seconds, minutes, hours or days. A special pushbutton sequence permits entry into the programming, thus providing security against unauthorized reprogramming.

Compatibility: Flow Sensors with frequency outputs
Accuracy: ±0.5% of reading @ 25°C
Enclosure<br>Rating: NEMA 4X (IP65) front
Case: PBT
Window: Polyurethane coated polycarbonate
Keypad: Sealed 4-key silicone rubber
Weight: Approx. 325 g (12 oz)
Display: Alphanumeric 2 x 16 LCD
Update Rate: 1 second
Contrast: User selected, 5 levels
Operating Temperature: -10 to 70°C (14 to 158°F)
Storage Temperature: -15 to 80°C (5 to 176°F)
Relative Humidity: 0 to 95%, non-condensing
Sensor Input:
Range: 0.5 to 1500 Hz
Sensor Power:
   2-Wire: 1.5 mA @ 5 Vdc ±1%
   3 or 4 Wire: 20 mA @ 5 Vdc ±1%
Optically isolated from current loop; short circuit protected
Current Output: 4 to 20 mA, isolated, fully adjustable and reversible
Power: 12 to 24 Vdc ±10%, regulated
Max Loop Impedance: 50 &trodeks; max @ 12 V, 325 &trodeks; max @ 18 V, 600 &trodeks max @ 24 V
Update Rate: 100 ms
Accuracy: ±0.03 mA
Relay Output: Mechanical SPDT
Contacts: Hi, Lo, Pulse, Off
Maximum Voltage Rating: 5 A @ 30 Vdc, 5 A @ 250 Vac, resistive load
Hysteresis: User adjustable; max 300 pulses/min
Open-Collector Output: Hi, Lo, Pulse, Off Open-collector, optically isolated, 50 mA max, sink, 30 Vdc max pull-up voltage. Max 300 pulses/min

For complete product specifications see the Related Links section at the bottom of this page.
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