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Flow Switch With Compact Relay Controller

$937.71

Item# FST-211-R

In stock

Lead Time (If not in stock): 8 weeks
Flow Switch With Compact Relay Controller FST-211-R FST-211-R
  • Offered in Liquid and Gas Configurations
  • All-Plastic Construction with PP or PVDF Materials for Corrosive Environments
  • Invert Switch Provides Simple NO or NC Relay Operation
  • LED Indicators for Fluid, Relay and Power Status

FST-211-R Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Process Connection Size
Media Type
Velocity Range
Accuracy
Max Operating Pressure
Max Process Temperature
Process Connection Type
Wetted Materials
Switch Rating and Type
Supply Power
Wire Length


  • Maximum Power Consumption 0.25 A
  • Maximum Operating Temperature -40 {C} (-40 {F})
  • Maximum Switching Current AM
  • Maximum Pressure 150 psi
  • Switch Operation NO or NC Relay Operation
This switch package offers a complete solution for flow or no-flow switching in pipes or ducting up to 0.3 m (12'). The compact relay controller reliably actuates valves, pumps, or blowers rated up to 1/2 hp. Common applications include low-flow pump or process protection. To complete the instrumentation package, simply select the switch configuration in accordance with the liquid or gas used in your application.

L
I
Q
U
I
D
Variable Yes
Clean Y
Slurry Y
Bubbles
Coating
Non-Coating Y
Low Viscosity Y
Med. Viscosity Y
High Viscosity
Low Temperature Y
Med. Temperature
High Temperature
Δ Temperature Y
Low Velocity Y
High Velocity
G
A
S
Variable Yes
Coating
Non-Coating Y
Low Temperature Y
Med. Temperature Y
High Temperature
Δ Temperature
Low Velocity Y
High Velocity


SPECIFICATIONS
RELAY CONTROLLER
Supply Voltage: 120/240 Vac 50/60 Hz
Consumption: 0.25 A
Relay Type: (1) SPDT
Relay Current: 10 A, 250 Vac, 1/2 hp
Relay Mode: NO or NC selectable
Time Delay: 0 to 60 s
Temp Range: -40 to 70°C (-40 to 158°F)
Enclosure Rating: NEMA 4X (IP66)
Enclosure Material: Polypropylene (UL 94VO)
Enclosure Rotation: 300° swivel base
Conduit Connection: 1/2 NPT
SENSOR
Range: 0.04 to 3 ft/s (liquids)
Accuracy: ±5% of setpoint at constant temperature and flow rate
Response Time: 10 s (approx.)
Setpoint Drift with Fluid Temperature: 0.5%/°C
Fluid Temperature: 60°C (140°F)
Max Fluid Pressure:
   PP or PVDF: 150 psi @ 25°C (77°F) derated @ 1.7 psi/°C above 25°C (77°F)
Process Connection: 3/4 MNPT
Dimensions: 208 L x 71 mm Dia (8.2 x 2.8')
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