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FST1000-Series
Economical Air Flow Switch With High/Lo Alarms
- 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
FST1000-Series
From
$
465.35
Product Overview
- Accuracy ± 2 %
- Accuracy Note Accuracy: 2% FS (air velocity)
- Additional Features 1
- Alarm Deadband 0.05
- Electrical Connection Screw Terminal
- Height 3.5 in
- Length 1.25 in
- Linear Flow Rate, Min 0 FPM
- Materials 304 Stainless Steel
- Media Compatibility Air
- Operating Temperature, Max 50 °C
- Operating Temperature, Min 0 °C
- Probe Diameter 0.25 in
- Probe Length 12 in
- Process Connection Size 1/4 in
- Process Connection Type Compression Fitting
- Process Temperature, Max 93 °C
- Process Temperature, Min -40 °C
- Response Time 250 msec
- Supply Power Note 15 to 24 Vdc @ 200 mA
- Supply Voltage 15 to 24 Vdc
- Switch Rating 10 A
- Switch Rating Note 2 SPST, 10A @ 24 Vdc, 10A @ 250 Vac (Resistive)
- Switch Type SPST NO
- Weight 5.6 oz
- Width 2 in
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)
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)
PDFs & Manuals
Show Ratings & Reviews
Is this product reliable in a dusty enviroment? I mean I am wanting to monitor the air flow in the exhaust system for powder coating, and there will be fine dust particles in this ducting. Can the sensor be placed in this stream, needs to be placed after
Thank you for your inquiry about the air flow switch. Unfortunately, due to the dust particles you mentioned, it will affect the reading since a coating can occur. Best to place after in an area with no debris or suspended particles.
Date published: 2021-12-09
What is the Area Classification of the switch? Can it be installed in the intake of the Blower with odorous air and will be in Class 1, Div 1 area? can it have adjustable setting of air flow threshold? What is before and after pipe requirements ?
Unfortunately, this switch is not rated for hazardous environments, and we do not recommend using the sensor for this application.
Date published: 2024-12-29