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The LFT42 are synthetic (non-metallic wetted parts) float level transducers suitable for level measurement in vessels of up to 96" (2,438 mm) in height.
Floats are made from PTFE (Teflon). Tubes are 316SS clad with PFA or PTFE (Teflon). Flanges and fittings are available in Polyethylene (PE), polypropylene (PP), PVC and PTFE (Teflon).
The use of 2" NPT fitting or flange accommodates the diameter of the float and allows the units to be installed from the top of the vessel or mounting bracket, without removing the float.
Each transducer comes standard with a remote mounted DIN rail transmitter, float and a fitting/probe. Reliable operation and simple design makes the LFT42 an excellent choice for many corrosive level sensing applications.
Features- All Teflon® wetted parts available
- Various process fittings available
- Probe lengths to 96”
- Standard resolution 1/2”, 1/4” resolution available
- M12 Micro-male plug or extension cable available
- Continuous analog level measurement
- Analog 4-20 mA output via remotely mounted DIN Rail transmitter
- Undisturbed by foaming
- Vapor insensitive
- Liquid interface detection
Specifications
Ambient Temperature Range
- -20° to 60° C (-4° to 140° F)
Cable Length
- Extension: 15 feet (5 metres) for M12 Micro-Male Connector
- Extension: 6 feet (2 metres) for M12 Micro-Male Connector
Cable Material
- PVC
- Silicone
- Teflon with Stainless Steel Armor
Current
- Sensing: 2.5 mA - Max.
Electrical Connectors
- M12 Micro-Male Connector
Environmental Protection
- IP10
- IP66
- NEMA 4X
- Transmitter Typical (DIN Rail): IP40
- Transmitter Typical (DIN Rail): NEMA 1
Flange Material
- PE (Polyethylene)
- PP (Polypropylene)
- PTFE (Teflon)
- PVC
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 150# ANSI
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150# ANSI
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150# ANSI
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150# ANSI
Materials of Construction
- DIN Rail: Polyamide
Measuring Range
- 12 to 96” (304 to 2,438 mm)
Mounting
- DIN Rail
NPT Connection
- 2” NPT Male
Operating Pressure
- psi: 44 (kPa: 300, bar: 3) at 21° C (69.8° F) - Max.
- psig: 40 (kPa: 270, bar: 2.7) at 21° C (69.8° F) - Max.
Operating Temperature
- 0° to 80° C (-32° to 176° F) - Max.
- -40° to 150° C (-40° to 302° F) - Max.
Output
- 0-10 Vdc, 3-Wire
- 0-5 Vdc, 3-Wire
- 1-5 Vdc, 3-Wire
- 4-20 mA, 2-Wire
Pressure Range
- bar: 0 to 3
- kPa: 0 to 300
- psi: 0 to 44
Process Connection Material
- Polyethylene
- Polypropylene
- PTFE (Teflon)
- PVC
Process Temperature
- -20° to 120° C (-4° to 250° F)
Sensor, Probe Length
- Probe: 6 to 96” (152.4 to 2,438 mm)
Sensor, Probe Material
- Probe Clading Material: PFA (Teflon)
- Probe Clading Material: Polypropylene
- Probe Clading Material: PTFE (Teflon)
Stem Material
- PFA Encapsulated Alloy Steel
- PP (Polypropylene)
- PTFE (Teflon) Clad
Storage Temperature
- -40° to 80° C (-40° to 176° F)
Supply Voltage
- 12-32 Vdc
Voltage
- Sensing: 5 Vdc, Max.
Wetted Materials
- Fitting: PE (Polyethylene)
- Fitting: PVC
- Float, Fitting: PP (Polypropylene)
- Float, Fitting: PTFE (Teflon)
- Ideal for Level Measurement Where Installation Space is Limited or Tanks are Compact
- Acid and Water Based Liquids
- Very Corrosive Liquids
- Chemical Holding Tanks with Clean Liquids
- Measurement of Liquid Levels in Mobile Equipment
- Machinery, Energy, Naval, Industrial, Automation
- Not Recommended Where Liquids are Dirty or Sticky
