Economical Air Flow Switch

FST1000 Series

Air Flow Switch

^AUD705.00 FST1001A

PLACE ORDER

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)

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Part Number/ Desc.

Qty

Description

FST1001A

AUD705.00

Availability: 4 weeks

0 to 5000 FPM Air velocity switch, 2 relay outputs, fixed probe

FST1001R

AUD803.70

Availability: 5 weeks

0 to 5000 FPM Air velocity switch, 2 relay outputs, remote probe

FST1002A

AUD705.00

Availability: 4 weeks

0 to 10,000 FPM Air velocity switch, 2 relay outputs, fixed probe

FST1001A-S

AUD705.00

Availability: 4 weeks

0 to 5000 FPM Air velocity switch, 2 relay outputs, short fixed probe

FST1002R

AUD760.00

Availability: 4 weeks

0 to 10,000 FPM Air velocity switch, 2 relay outputs, remote probe

Accessories

PSR-24S

Consult Sales

Availability:

Regulated 24 Vdc @ 400 mA power supply, screw terminal

PSR-24L

Consult Sales

Availability:

Regulated 24 Vdc @ 400 mA power supply, stripped leads

SSLK-14-14

AUD39.44

Availability: 1 week

Compression fitting

T-FER-1/4

AUD185.95

Availability: 1 week

1/4" PTFE ferrules (10 pack) for use with SSLK-14-14 compression fitting

† All amounts shown in AUD
Note: Comes complete with 305 mm (12") long sensor probe (or remote probe), and operator’s manual.