FLT93F Flow Switch

For Flow Service - Setpoint Range:

• Water-based Liquids:

0.01 to 3.0 fps [0.003 to 0.9 mps]

• Hydrocarbon-based Liquids:

0.01 to 5.0 fps [0.003 to 1.5 mps]

• Air/Gas:

0.25 to 120 sfps [0.08 to 37 smps] at standard conditions of 70° F [21.1° C] and 14.7 psia [1.013 bar(g)].

Accuracy: (whichever reading is higher)
Liquids: ± 0.5% reading or ± 0.04 fps [± 0.012 mps]
Gases: ± 0.5% reading or ± 2 sfps [± 0.06 nmps]

For Temperature Service:

• Accuracy: ± 2° F [±1° C]

• Repeatability: ± 1° F [± 0.6° C]

Response Time: As low as 0.5 seconds.

Enclosure: NEMA 4X/IP66 Rated. Standard: Polyester power coated aluminum, with single 1" NPT conduit port. Optional: Stainless steel. Optional: Dual-conduit port, aluminum with 1/2" NPT or M20 metric conduit ports.

Compliances and Agency Approvals: FM, FMc, ATEX, IECEx, EAC/TR CU, Inmetro, EQM/ECAS. CE mark. PED, CRN.  (UKCA, UKEX pending)
Meets EC directives for EMC and LVD. Probe complies with Canadian Electrical code requirements of ANSI/ISA 12.27.01-2011 as a single seal device.
 

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.

Flow Element

Materials of Construction: All welded 316L stainless steel for all wetted surfaces.

Process Connection: 0.75 inch male NPT

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: -40° to +350° F [-40° to +177° C]

• Optional: -100° to +500° F  [-73° to +260° C]

Operating Pressure: To 3500 psig [240 bar(g)]
 

Control Circuit

Operating Temperature: -40° to +140° F [-40° to +60° C]

Universal AC/DC supply. Input terminals and jumpers on circut board select specific power.
 

* AC mains preset by factory: FM & FMc as 108-132 Vac; All others as 207-240 Vac 

Relay Contacts: Field configurable dual SPDT or single DPDT rated 6 amps at 115 Vac, 240 Vac or 24 Vdc.

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.