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Vortex Shedding Flow Meter and Temperature Transmitter

1/2" NPT Female Flow Only Transmitter


Item# FV102

In stock

Lead Time (If not in stock): 13 weeks
1/2" NPT Female Flow Only Transmitter FV102 FV102
  • No Moving Parts to Jam
  • 1/4 FNPT to 4' Line Sizes
  • Bright LED Display
  • Individual 4 to 20 mA Outputs for Flow and Temperature

FV102 Model Options

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Flow Range
Process Connection Type
Process Connection Size
Wetted Materials
Max Operating Pressure
Output Signal
Supply Power
Max Process Temperature

The FV101 Series comprises in-line flow meters that use the vortex shedding measuring principle. The fluid strikes a bluff body, imparting alternating vortices downstream of the bluff. This creates a pressure on a sensor body containing a piezoelectric crystal. The frequency of the sensor is proportional to the velocity of the fluid and is amplified and converted to a 4 to 20 mA output signal. Vortex technology yields a meter with no moving parts to hang up or wear. The meter has a bright 7.62 mm (0.3") high LED display of flow in either liters or gallons. The FV101 Series can be used with non-viscous, clean, or dirty waterlike liquids that are compatible with brass, PVDF, and FKM. Measured fluids should not contain long fibers or a high level of abrasive solids. These meters are ideal for cooling loops using water or 50% glycols, and for water-soluble machine coolant (up to 10%). These applications are found in most process industries, including rubber, steel, fabrication, manufacturing, refining, paper, chemical, food, petrochemical, and power. Do not use on flammable liquids or on gases such as air.

   Accuracy: ±2% FS
   Repeatability: ±0.25% FS
   Alarm Deadband: 5% FS
   Response Time: User selectable from 0.9 to 7.5 seconds
   Max Flow: Over range occasionally up to 125% of capacity
   Accuracy: ±1% FS
   Response Time: 450mS time constant
   Alarm Deadband: 2%
Display: 3-digit, 7.62 mm (0.3") high numeric LED that flashes below setpoint
Maximum Operating Pressure:
   2" and Smaller: 20 bar (300 psig)
   3 and 4": 13 bar (200 psig)
Operating Temperature: 2 to 66°C (35 to 150°F)
Enclosure Rating: IP65; Type 1, 3, 4, 12, and 13
Analog Output: 4 to 20 mA (600 ? @ 24 Vdc)
Electrical Connection:
   FV100 Units (Flow Only): 5-pin micro male connector
   FV100-T Units (Flow/Temperature): 8-pin male micro connector
Alarm Output: SPST SSR, NO or NC operation, selectable; dual alarms for flow/temperature units
   FV101 and 102:250 mA @ 30 Vdc up to 66°C (150°F)
   FV103 thru 108:125 mA @ 30 Vdc up to 66°C (150°F); reduced current rating at higher temperatures
Power: 10 to 30 Vdc @ 80 mA
Wetted Parts: Brass, PVDF and FKM seals; 316 SS bodies available for special order on 1/4 to 1/2" sizes, contact Flow Engineering for details
Installation: 10 pipe diameters upstream and 5 downstream recommended

Model No.
Model No.
Fittings Flow Range (gpm) Max
kg (lb)
Min Max
FV101 ¼ FNPT 0.4 4 9.2 1.3 (2.8)
FV102 ½ FNPT 1.2 12 3.6 1.2 (2.6)
FV103 FV103-T ¾ FNPT 2.5 25 3.6 2.9 (6.3)
FV104 FV104-T 1 FNPT 5 50 9.5 2.7 (5.9)
FV105 FV105-T 1½ FNPT 10 100 4.8 5.9 (13)
FV106 FV106-T 2 FNPT 20 200 4.9 4.8 (10.5)
FV107 FV107-T 3" ANSI RF 30 300 1.3 19 (42)
FV108 FV108-T 4" ANSI RF 60 600 1.3 25 (55)
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Where Can I get the full manual for the FV106-t? the manual for download here is insufficient for the issues I'm facing with this model. It does not reflect the information in the setup menu of the device or any of the information pertaining to the temp

Asked by: Deva
Thank you for your inquiry! There is a second manual for the temperature models that can be found using the "Manuals" link under the "Quick Links" section at the bottom of the web page. The following link can also be used to access this page:
Answered by: Application Engineer JM
Date published: 2022-06-14
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