CalFlo™ CFNF1 AC Thermal Mass Air, FLocorp-Flow Switch - Wiratama Mitra Abadi | Industrial Equipment

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31.12.20

CalFlo™ CFNF1 AC Thermal Mass Air, FLocorp-Flow Switch

CalFlo™ CFNF1 AC Thermal Mass Air Flow Switch


The CalFlo series of calorimetric flow switches offer units with several features including temperature & flow, compact relay control, strobe alert, adjustable flow, compact airflow, inline airflow, and more. The wide variety of options available enable us to provide the right unit for your specific application. If you need help selecting the correct flow switch, our team is happy to assist in the selection process.

This industrial purpose flow switch is a great choice for monitoring a variety of air or gaseous applications. The CalFlo™ CFNF1 AC Thermal Mass Air Flow Switch features solid-state switching and is extremely reliable even under the harshest environmental conditions. The CFNF1 features a repeatable alarm, an adjustable set-point from 3 to 32 feet per second, and an LED indication of flow. The short housing is intended for use in pipe sizes ½” to 1 ½” in diameter and the long housing is recommended for pipe sizes 2” and up. Typical applications include air conditioning, ventilation, air filter monitoring, extraction fans, blowers, damper regulators, and energy conservation systems.

Features and Benefits

  • Compact airflow switch with rugged Stainless Steel or plastic Ultradur construction
  • High accuracy with NO moving parts
  • Available in 110 VAC or 220 VAC power supply
  • Set-point adjustable between 3 fps and 32 fps
  • Temperature independent
  • Easy installation with mounting flange (included)

Specifications

ServiceCompatible Gasses
Switching Range3 to 32 fps (1 to 10 mps)
Factory set-point10 fps (3 mps)

 

Pressure

CFNF1-_-U: 15 psi (1 bar)

CFNF1-_-S: 150 psi (10 bar)

Hysteresis≤ 30%

 

Switching Delay

Min. 3 s/ Max. 100 s (depends on set-point

adjustment)

Temperature Drift< 0.5% / K

 

Supply Voltage

CFNF1-1: 110 VAC

CFNF1-2: 220 VAC

Voltage Tolerance± 10%
Switching Current200 mA max.
Repeatability< 3%
ConsumptionApprox. 1W
Starting Override Time

 

Max. 90 s

 

Output

Thyristor Normally Open (closed with flow), Thyristor Normally Closed (open with flow)
DisplayLED for ON or OFF state
Process TemperatureF: -4º to 160º C: -20º to 70º
Ambient TemperatureF: -4º to 160º C: -20º to 70º
Enclosure RatingNEMA 4 (IP64)
Housing MaterialUltra dura (PBTP) or Stainless Steel
Sensor MaterialCeramic with Over Glaze

 

Weight

CFNF1-_-U: 0.3 lbs (130 g)

CFNF1-_-S: 0.4 lbs (200 g) without nut

Cable
Cable Jacket Material

 

Oilflex

Cable Length6.5’ (2m)

Download Datasheet: CalFlo™ CFNF1 AC Thermal Mass Air Flow Switch

Ref: Flo-corp.com

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