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Plastic Helical Rotor Flow Sensor & Meter — real BROIL product photograph
DIGITAL SENSOR — POSITIVE DISPLACEMENT METER (DIGITAL)

Plastic Helical Rotor Flow Sensor & Meter

Same pulse factor, full range, every time.

BROIL developed and produced a plastic helical rotor flow sensor specially for liquid dispensing industries. Where plastic turbine flow sensors suffer a K-factor that changes with flow rate, BROIL's helical rotor plastic flow sensor holds the same pulse K-factor across the full range — delivering very good accuracy and repeatability throughout the measurement range.

Enclosure
Pa66 + GF / PPS
Rotor
Pa66 / POM / PPS
Shaft & ball
Hard SS-316
Repeatability
0.25%
Where it is used

Markets & areas of application

Very good for water ATMs, water dispensing, tea / coffee / wine / juice and other food liquid measurement and dispensing. Also fats and oils with varying viscosities, water / glycol mixtures, and any viscous liquid where viscosity changes with temperature.

Click any industry to see the full product list for it, or tell us your process and we will confirm the match.

01 · Performance

Performance Data

High accuracy up to 2.5 bar pressure, independent of viscosity — perfect for 1~106 mm²/s. Low pressure drop compared with other positive displacement meters, high resolution, pulsation-free measurement, non-sensitive to pulsating flows, resistant to corrosion by advanced materials.

03 · Why choose it

Advantages

Direct plug-in digital LCD readout with reset/cal buttons
Three output sensor options to match your controller
Low pressure drop compared with other positive-displacement meters
04 · Build & specification

General Specification

Enclosure
Pa66 + GF / PPS
Rotor
Pa66 / POM / PPS
Shaft & ball
Hard SS-316
Repeatability
0.25%
Accuracy (standard position)
±2% FSD
Maximum working pressure
0.25 MPa
Fluid & ambient temperature
-20° to 80°C
Connection
Thread (M)
Electrical output

Output Sensor

A) Hall sensor
5 to 24 V DC, low range 2 to 5 V DC, NPN open collector
B) Reed sensor
Available
C) Pick-up coil
Two-wire / amplified three-wire option
Model range

Choose your model

BT-PHTFS-004
Connection (M): ¼" BSPRange: 40 ~ 400 L/HLiter / Pulse: 0.000285
BT-PHTFS-008
Connection (M): ½" BSPRange: 150 ~ 1500 L/HLiter / Pulse: 0.001063
BT-PHTFS-012
Connection (M): ¾" BSPRange: 500 ~ 5000 L/HLiter / Pulse: 0.004901
BT-PHTFS-020
Connection (M): 1" BSPRange: 800 ~ 8000 L/HLiter / Pulse: 0.012195
BT-PHTFS-025
Connection (M): 1¼" BSPRange: 1000 ~ 10000 L/HLiter / Pulse: 0.020833
⚠ Never test the flow sensor with compressed air — it will damage the rotor and shaft.
Build your unit

Configure it, then get a quote

Choose the options you need. The configuration code builds as you go, and the quote request carries every selection — so the price you get back is for the unit you actually want.

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