Highly accurate FLT93S insertion type FlexSwitches for level and temperature monitoring represent the first true technological breakthrough in thermal technology in over a decade. Designed for heavy industrial environments, they feature FCI’s unique temperature compensation to ensure set point accuracy for process temperatures that vary up to ± 100° F.
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.
Applications
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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.
