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Economical Air Flow Switch

FST1000 Series

Air Flow Switch | FST1000 Series

Air Flow Switch

SGD705.00 FST1001A

  • Air Velocity Range up to 10,000 FPM (50.8 m/sec)
  • 2% Full Scale Accuracy
  • Two Sensor Probe Configurations (Fixed and Remote)
  • Hot Wire Air Velocity Sensor Design
  • Adjustable High and Low Alarm Set-Points
  • Two SPST Alarm Contact Closures with Red LED Indicators
  • Used in HVAC Monitoring, Exhaust/Ventilation Hoods
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Description

The FST1000 Series measures air velocity and provides two SPST alarm contact closures corresponding to high and low alarm set points. The alarm set points are adjustable from 0 to 100% of the air flow range. The unit comes with a green power LED, and two red LEDs for high and low alarm indications. They can be used in research and development labs, HVAC applications, exhaust/ ventilation hoods and other manufacturing processes. The sensor design is based on RTD elements; the air velocity is measured by the heat loss from the RTD sensor as it cools down by the air flow. The sensor probe comes in two configurations, fixed mount and remote probe.

SPECIFICATIONS
Air Velocity Range: 0 to 5000, 0 to 10,000 FPM
Accuracy: 2% FS (air velocity)
Air Velocity Probe: ¼" OD stainless steel, 305 mm L (12"), or remote probe with 15 feet of cable
High and Low Alarm Set Point: Adjustable from 0 to 100% of air flow range
Alarm Indication: Red LEDs on the back plate
Alarm Deadband: 5% of FS
Built-In Relays: Two 12V SPST NO relays (high and low)
Contact Rating: 10A @ 24 Vdc, 10A @ 250 Vac
Operating Ambient Temperature:
    Sensor Probe: -40 to 93ºC (-40 to 199ºF)
    Electronic Case: 0 to 50ºC (32 to 122ºF)
Power Indicator: Green LED
Power: 15 to 24 Vdc @ 200 mA
Dimensions: 89 H x 51 W x 31.8 mm D (3.5 x 2 x 1.25")
Weight: 160 g (5.6 oz)
(Specify Model Number)

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Part Number/Desc.
Qty
Description
  
FST1001A
SGD705.00
Availability: 4 weeks
 
0 to 5000 FPM Air velocity switch, 2 relay outputs, fixed probe
FST1001R
FST1001R
SGD803.70
Availability: 5 weeks
 
0 to 5000 FPM Air velocity switch, 2 relay outputs, remote probe
  
FST1002A
SGD705.00
Availability: 4 weeks
 
0 to 10,000 FPM Air velocity switch, 2 relay outputs, fixed probe
  
FST1001A-S
SGD705.00
Availability: 4 weeks
 
0 to 5000 FPM Air velocity switch, 2 relay outputs, short fixed probe
  
FST1002R
SGD760.00
Availability: 4 weeks
 
0 to 10,000 FPM Air velocity switch, 2 relay outputs, remote probe
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All prices on this site are shown in Singapore Dollars.
Note: Comes complete with 305 mm (12") long sensor probe (or remote probe), and operator’s manual.
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