Flow, level, and temperature instrument innovators since 1964
   

FLT93S FlexSwitch® Level Switch

Level Switch FLT93F


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Level Switch Summary

The FLT93S insertion type FlexSwitch for level and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. This product was designed for heavy industrial environments including high temperature and high pressure. FCI is the only thermal manufacturer providing temperature compensation to ensure set point accuracy for process temperatures that vary up to 100 F. The FLT93S is easily field-configured or factory preset, providing unparalleled flexibility, accuracy and stability for all multiple process sensing and switching requirements.

For an operational demonstration of FCI's FLT93 FlexSwitch Series, please follow this link.

Applications

 
Interface and sump level detection Interface/level detection in settling vessels
Interface/sump level detection in separation vessels Foam or sediment level control
Agitation detection Liquid/resin interface detection

 

Specifications

For Level/Interface Service:
Accuracy: 0.25 inch [ 6.4 mm]
Repeatability: 0.125 inch [ 3.2 mm]

For Temperature Service:
Accuracy: 2 F [ 1 C]
Repeatability: 1 F [ 0.6 C]

Response Time: As low as 3 seconds
Enclosure: Powder coated aluminum enclosure is rated for hazardous location use Groups B, C, D, E, F and G, CENELEC EEx d IIC and resists the effects of weather and corrosion per NEMA/CSA Type 4X (equivalent to IP66). Stainless steel is available as an option.
Agency Approvals: FM, CSA, CENELEC, ATEX, CE Mark, T4 Rated (System Approval) and CRN.


Flow Element

Materials of Construction: All-welded 316L stainless steel for all wetted surfaces. Hastelloy C,
Monel 400 and Titanium are available as an option.
Process Connection:
Standard: 0.75 inch male NPT.
Optional: 1 inch male NPT, flanges or retractable sensing element.
Insertion Length:
1.2 inch [30 mm]
2 inches [51 mm]
4 inches [102 mm]
6 inches [152 mm]
9 inches [229 mm]
12 inches [305 mm]
18 inches [457 mm]
Customer specified lengths are available as an option.
Operating Temperature:
Standard: -4 to +350 F [-20 to +177 C]
Optional: -100 to +500 F [-73 to +260 C] or -100 to +850 F [-73 to +454 C]
Operating Pressure: To 3500 psig [240 bar(g)]


Control Circuit

Operating Temperature: -40 to +140 F  [-40 to +60 C]
Input Power: Field selectable 115 15 Vac or 230 30 Vac, 50/60 Hz; 21 to 28 Vdc or 18 to 26 Vac; 7 watts maximum.
Relay Contacts: Field configurable dual SPDT or single DPDT rated 6 amps at 115 Vac, 240 Vac or 24 Vdc. Hermetically sealed relays are available as an option.
Output Signal: Analog DC voltage related to flow or level/interface signal and proportional to temperature.
Electrical Connection: 1 inch female NPT
Remote Configuration: Available as an option with customer specified interconnecting cable length.
 

Optional N.I.S.T. Flow Calibration Services

Factory N.I.S.T. calibration in air or water is available as an option for customer specified setpoint(s) or a flow curve based on the media ranges specified above.


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