Single Channel Mass Flow Switch - Model FS 51SC
VERSA-SWITCH®

Main Feature

• Mass Flow Switch for the mass flow rate detection of liquids and gases..
• Wide operating temperature range -100° F to +850° F (-70° C to +458° C).
• Wide operating flow range of .01 to 5 feet per second (fps) in oil, 2.5 fps in water and .1 to 500 fps in gases.
• Removable, plug in electronics.
• Free of all moving parts that can stick coat or fail.
• Fast response time of .5 to 10 seconds depending on the media.
• Self heating sensor design improves repeatability. No separate heater to fail or slow response time.
• Two Year Workmanship Warranty.

Specification

Sensor

• Type: Thermal Differential, Dual RTD Sensors
• Process Connection:  Standard  0.75 inch MNPT Optionally  0.5 inch and larger MNPT and various other process connections such as sanitary and flanges
• Insertion Length: Standard  2.0 inch
  Optionally  0.5inch or greater up to a length of 30 feet
• Operating Temperature Range:
  Standard  -100° F to 390?F (-70° C to +200° C)
  Medium Temperature to +572° F  (+300° C)
  High Temperature to +850° F  (+458° C )
• Materials of Construction: Standard  316 Series Stainless Steel
  Optionally  Hastelloy, Monel, Inconel and other exotic materials
• Operating Pressure Range: Standard  to 3000 psia (207 bar)

Electronics

• Power: Standard Field selectable 110VAC, 220VAC, or 24VDC at 3 watts (No heater power required)
• Operating Temperature Range:
  Standard  -40°F to +140°F  (-40° C to +60° C )
  Optionally Remote electronics for use in medium and high temperature environments
• Outputs: Independent relay DPDT, contacts rated at 5 amp, 250VAC with fail safe capability.
• Self-Test: Integral and automatic during power up.
• Enclosure: Explosion proof; NEMA 3, 4, 7, and 9; CSA, FM, UL,CENELEC, and EECS approved

Instrument

• Response Time: Adjustable Flow Rate feet per second (fps), typical: 0.01 to 5.0 fps oil, 2.5 fps in water and 0.1 to 500 fps gases
• Response Time: Sensor response time 0.5 to 10 seconds media dependent
• Repeatability: ±1% of setpoint
• Approvals: FM and CSA

Model Selection Guide