FST-221-SPST流量仪表 美国OMEGA FST-221-SPST流量传感器
FST-221-SPST
流量与液位 » 变截面流量计, 转子流量计和开关 » 热流量开关 » FST-200 Series
液体热弥散流量开关
FST-200 Series
High Reliability — No Moving Parts
Very Low Flow Detection–Down to 0.04 FPS Liquids
Use in 1/8 through 12" Pipe or Tubing
SPST Relay Standard
Excellent for Pump and Valve Monitoring of Critical Flows
产品描述
OMEGA® FST-200 Series flow switches use thermal dispersion technology to create a very accurate and economical method of sensing flow. Monitor fluids from 0.4 to 1.2 specific gravity, 1 to 300 cp, and pulsating flow from 10 to 100 pulses per minute. The sensors incorporate two temperature probes, one of which is heated. The flow of liquid reduces the temperature of the heated probe, decreasing the temperature differential with the non-heated probe. OMEGA’s LVCN-131 and LVCN-141 of controllers can easily be interfaced to perform a variety of control functions.
SPECIFICATIONS
Range: 0.04 to 3 fps (liquids)
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@70 mA
Contact Output Mode: selectable, NO or NC states
Fluid Temperature: 0 to 60°C (32 to 140°F)
Max Fluid Pressure (PP or PVDF): 150 psi @ 25°C (77°F)
derated @1.667 psi per °C above 25°C (77°F)
Wetted Materials: PP and PVDF
Cable Specifications: 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")
注: Comes complete with operator’s manual.
产品编号 产品描述
FST-211-SPST Thermal dispersion flow switch, PP/PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe
FST-211-SPST-25 FT Thermal dispersion flow switch, PP/PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe, 7.62 M (25')
FST-211-SPST-50 Thermal dispersion flow switch, PP/PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe, 15.24 M (50')
FST-212-SPST Thermal dispersion flow switch, PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe
FST-212-SPST-25 Thermal dispersion flow switch, PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe, 7.62 m (25')
FST-212-SPST-50 Thermal dispersion flow switch, PVDF, 3.0 x 3/4 NPT, 3/4 to 1-1/2" pipe, 15.24 m (50')
FST-221-SPST Thermal dispersion flow switch, PP/PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe
FST-221-SPST-25 Thermal dispersion flow switch, PP/PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe, 7.62 m (25')
FST-221-SPST-50 Thermal dispersion flow switch, PP/PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe, 15.24 m (50')
FST-222-SPST Thermal dispersion flow switch, PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe
FST-222-SPST-25 Thermal dispersion flow switch, PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe, 7.62 m (25')
FST-222-SPST-50 Thermal dispersion flow switch, PVDF, 4.5 x 3/4 NPT, 2 to 12" pipe, 15.24 m (50')
Flow Switch Fittings for 3" Sensors
FT-51 Flow switch fitting for use with FST-211 and FST-212 only. 1/8 to 1/4" tube ID, 0.05-1.53 GPM Range, PP Material
FT-52 Flow switch fitting for use with FST-211 and FST-212 only. 1/8 to 1/4" tube ID, 0.05-1.53 GPM range, PVDF (Kynar) Material
产品型号
FST-211-R
FST-211-SPST
FST-211-SPST-25 FT
FST-211-SPST-50
FST-212-R
FST-212-SPST
FST-212-SPST-25
FST-212-SPST-50
FST-221-R
FST-221-SPST
FST-221-SPST-25
FST-221-SPST-50
FST-222-R
FST-222-SPST
FST-222-SPST-25
FST-222-SPST-50
FT-51
FT-52
FST-221-SPST
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