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Thermal Dispersion Flow Switches for Use With Gases

FST-320

Thermal Dispersion Flow Switches for Use With Gases | FST-320

Thermal Dispersion Flow Switches for Use With Gases

$215.00 FST-321-SPST

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1 year warranty CE RoHS
  • Measure Mass Flow of Gases
  • High Reliability, No Moving Parts
  • Effectively Monitor Critical Gas Flows
  • May Be Used in Small Piping or Large Ducts
  • 1 AMP SPST Relay Standard
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Description

OMEGA’s FST-320 Series thermal dispersion flow switches, especially designed for use with gases, sense changes in the heat transfer characteristics of the gases. Flow velocities from 1 to 90 fps are effectively monitored. The flow switch incorporates a standard SPST Relay switch output for control flexibility. The OMEGA® LVCN-131 and LVCN-141 controllers can easily be interfaced to perform a variety of control functions. The FST-320 family of sensors can be easily installed in line sizes ranging from 3/4 to 12".

SPECIFICATIONS
Range: 1 to 90 fps
Accuracy: ±5% of setpoint at constant temperature and flowrate
Response time: 10 seconds after initial 30 sec warm up
Setpoint Drift with Fluid Temperature: 0.5% per °C
Voltage Input: 12-36 Vdc @ 60 mA
Contact Output: 1 A SPST Relay, selectable NO or NC states
Fluid Temperature: 0 to 60°C (32 to 140°F)
Max Fluid Pressure: 150 psi @ 25°C (77°F) derated @ 1.667 psi per °C above 25°C (77°F)
Wetted Materials: PP with PVDF
Cable Length: 3 m (10 ft)
Max Cable Length: 305 m (1000 ft)
Dimensions:76.2 or 114.3 x 26.7 mm dia.(3.0 or 4.5 x 1.05")
Place Order(Specify Model Number)
Part Number/Desc.
Availability
Price
Description
Qty
RoHS
FST-321-SPST
Star
Availability: 5 weeks  
$215.00   
PP/PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe
RoHS compliant
FST-321-SPST-25
Star
Availability: 8 weeks  
$245.00   
PP/PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe, 7.62 m (25')
RoHS compliant
FST-321-SPST-50
Star
Availability: 8 weeks  
$276.00   
PP/PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe, 15.24 m (50')
RoHS compliant
FST-322-SPST
Star
Availability: In Stock  
$342.00   
PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe
RoHS compliant
FST-322-SPST-25
Star
Availability: 8 weeks  
$546.00   
PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe, 7.62 m (25')
RoHS compliant
FST-322-SPST-50
Star
Availability: 8 weeks  
$750.00   
PVDF, 3 x3/4 NPT, 3/4 to 1-1/2" pipe, 15.24 m (50')
RoHS compliant
FST-323-SPST
Star
Availability: 8 weeks  
$225.00   
PP/PVDF, 4.5 x3/4 NPT, 2 to 12" pipe
RoHS compliant
FST-323-SPST-25 FT
Star
Availability: 1 week  
$255.00   
PP/PVDF, 4.5 x3/4 NPT, 2 to 12" pipe, 7.62 m (25')
RoHS compliant
FST-323-SPST-50 FT
Star
Availability: 8 weeks  
$286.00   
PP/PVDF, 4.5 x3/4 NPT, 2 to 12" pipe, 15.24 m (50')
RoHS compliant
FST-324-SPST
Star
Availability: 8 weeks  
$556.00   
PVDF, 4.5 x3/4 NPT, 2 to 12" pipe
RoHS compliant
FST-324-SPST-25
Star
Availability: 8 weeks  
$760.00   
PVDF, 4.5 x3/4 NPT, 2 to 12" pipe, 7.62 m (25')
RoHS compliant
FST-324-SPST-50
Star
Availability: 8 weeks  
$470.00   
PVDF, 4.5 x3/4 NPT, 2 to 12" pipe, 15.24 m (50')
RoHS compliant
All amounts shown in USD
Note: Comes complete with operator’s manual.

To order with 7.62 m (25') cable, add suffix "25" to model number, add $20 to price for PP/PVDF, or $75 for PVDF.

To order with 15.24 m (50') cable, add suffix "-50" to model number, add $40 to price for PP/PVDF or $150 for PVDF.

(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)


Ordering Example: (1) FST-321-SPST PP/PVDF flow switch for 3/4 to 1-1/2" pipe, with 1 AMP relay, $215.00
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