Thermal Flow Switches for Gases

FST-320

^£206.37 FST-321-SPST

PLACE ORDER

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

Variable Area Flowmeters & Switches - View related products

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 0.3 to 27 metres/sec 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
Set point range: 0.3 to 27 m/s
Factory set point: 3 m/s
Repeatability: ± 0.5% of setpoint at constant temperature
Response time: 1-10 seconds after initial 30 sec warm up
Set point adjust: Potentiometer
LED Indication: Flow status
Supply voltage: 12-36 Vdc, 70 mA max.
Contact type: SPST relay. 60 V ac/dc 1 A max
Contact output mode: selectable, NO or NC
Fluid Temperature: 0 to 60°C
Max Fluid Pressure (PP or PVDF): 10 bar @ 25°C
derated @0.113 bar per °C above 25°C
Wetted Materials: PP and PVDF
Cable Specifications: 3 m, 4-core screened
Max Cable Length: 300 m
Dimensions: 76 or 114 x 27 mm dia.

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

FST-321-SPST

£206.37

Availability: In Stock

Gas flow switch PP/PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 3 m cable

FST-321-SPST-25

£235.98

Availability: 10 weeks

Gas flow switch PP/PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 7.5 m cable

FST-321-SPST-50

£283.46

Availability: 10 weeks

Gas flow switch PP/PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 15 m cable

FST-322-SPST

£333.15

Availability: 2 weeks

Gas flow switch PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 3 m cable

FST-322-SPST-25

£557.12

Availability: 10 weeks

Gas flow switch PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 7.5 m cable

FST-322-SPST-50

£762.36

Availability: 10 weeks

Gas flow switch PVDF, 76 mm long 3/4 NPT, 3/4 to 1-1/2" pipe. 15 m cable

FST-323-SPST

£215.62

Availability: 10 weeks

Gas flow switch PP/PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 3 m cable

FST-323-SPST-25 FT

£245.23

Availability: 10 weeks

Gas flow switch PP/PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 7.5 m cable

FST-323-SPST-50 FT

£272.99

Availability: 10 weeks

Gas flow switch PP/PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 15 m cable

FST-324-SPST

£342.40

Availability: 10 weeks

Gas flow switch PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 3 m cable

FST-324-SPST-25

£566.89

Availability: 10 weeks

Gas flow switch PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 7.5 m cable

FST-324-SPST-50

£772.15

Availability: 10 weeks

Gas flow switch PVDF, 114 mm long 3/4 NPT, 2 to 12" pipe. 15 m cable

† All amounts shown in EUR, GBP, or USD
Note: Comes complete with operator’s manual
Ordering Example: (1) FST-321-SPST PP/PVDF flow switch for 3/4 to 1-1/2" pipe, with 1 AMP relay, £206.37