Flowline Level Transmitters 

The general purpose two-wire ultrasonic transmitter provides non-contact level measurement up to 40' or 12.2m, and is ideally suited for challenging corrosive, coating or waste liquids. The transmitter is broadly selected for atmospheric bulk storage, day tank, process vessle and waste sump applications. Media examples include ink and polymer.

Ordering Info

• General Purpose Ultrasonic Level Transmitters
• Range: 
  • LU12: 4” to 9.8’ (10cm to 3m)
  • LU11: 4” to 16.4’ (10cm to 5m)
  • LU13: 6” to 26.2’ (15cm to 8m)
  • LU14: 12” to 32.8’ (30cm to 10m)
• Accuracy:  ± 0.02% of span in air  
• Resolution: 
  • LU11/12/13: 0.039” (1 mm)
  • LU14: 0.078” (2 mm)
• Beam width: 
  • LU12: 2” (5cm) diameter
  • LU 11/13/14: 3” (7.6 cm) diameter
• Deadband
  • LU11/12: 4” (10 cm)
  • LU13: 6” (15 cm)
  • LU14: 12” (30 cm)  
• Memory:  Non-volatile 
• Supply voltage:  14-28 VDC 
• Loop Resistance:  600 ohms @ 24 VDC  
• Signal output:  4-20 mA, two-wire  
• Fail Safety:  Reverts to 22mA  
• Calibration:  Target, calibration wire  
• Temperature rating: 
• F: -40 degrees to 160 degrees 
• C: -40 degrees to 70 degrees 
• Temp. compensation:  Automatic 
• Pressure rating:  30 psi (2 bar) @ 25 °C, derated @ 1.667 psi (.113 bar) per °C above 25 °C
• Enclosure rating:  NEMA 6 (IP 67)
• Enclosure material:  PC/ABS FR  
• Transducer material:  PVDF Kynar ®
• Process Connection: 
  • LU12: 1” NPT
  • LU11/13/14: 2” NPT
• CE compliance:  EN61326 EMC  

The general purpose or two-wire ultrasonic transmitter provides non-contact level measurement up to 4’ or 1.2m, and is ideally suited for challenging ultra pure, corrosive, slurry or waste liquids. The transmitter is typically selected for small atmospheric process vessel, IBC tote, 55-gallon drum and waste sump applications. Media examples include chromic acid and copper sulfate.

Ordering Info

• Small Container Ultrasonic Level Transmitters
• Range:  0.16’ to 4’ (5 cm to 1.2m)
• Accuracy:  ± 0.15% of span in air  
• Resolution:  0.125” (3mm)
• Beam width:  2” diameter   
• Memory:  Non-volatile 
• Supply voltage:  12-28 VDC 
• Loop Resistance:  600 ohms @ 24 VDC  
• Signal output:  4-20 mA, two-wire  
• Fail Safety:  Reverts to 22mA  
• Calibration:  Target, calibration wire  
• Temperature rating: 
• F: -4 degrees to 140 degrees 
• C: -20 degrees to 60 degrees 
• Temp. compensation:  Automatic 
• Pressure rating:  30 psi (2 bar) @ 25 °C, derated @ 1.667 psi (.113 bar) per °C above 25 °C
• Enclosure rating:  NEMA 6 (IP 67)
• Enclosure material:  PC/ABS FR  
• Transducer material:  PVDF Kynar ®
• Process Connection:  1” NPT  
• CE compliance:  EN61326 EMC  

The three-wire, general purpose ultrasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 24.5 feet with an integral relay for pump, valve or alarm control. This device is ideal for use with general purpose bulk storage tanks, canals and lift stations. With non-contact technology, the transmitter is an excellent choice for applications with dirty, coating, scaling or corrosive type liquids. Media examples include wastewater, crude oil and wax. 

Ordering Info

• Range:  0.5 to 24.5 feet (15 cm to 7.4 m) 
• Accuracy:  ± 0.25% of span (air) 
• Resolution:  0.125" (3 mm) 
• Frequency:  50 kHz 
• Pulse rate:  8 pulses per second 
• Beam width:  8 degree conical 
• Blocking distance:  0.5' (15 cm) minimum 
• Display type:  4 segment LED 
• Display units:  Inch (cm) 
• Memory:  Non-volatile 
• Supply voltage:  14-36 VDC 
• Consumption:  200 mA 
• Current flow:  Source / sink 
• Signal output:  4-20 mA, 14-36 VDC 
• Signal invert:  4-20 mA / 20-4 mA 
• Signal averaging:  Fast / slow 
• Calibration:  Push button 
• Relay type:  (1) SPDT 
• Relay output:  250 VAC, 10A, 1/2 hp 
• Relay mode:  Selectable, NO or NC 
• Relay indication:  ON / OFF status 
• Contact resistance:  30 milliohm 
• Fail-safe diagnostics:  Relay reverts to safe position 
• Temperature rating: 
• F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., derated @ 1.667 psi (0.113 bar) per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  Polypropylene, UL94 VO 
• Transducer material:  Polyvinylidene Fluoride 
• Mounting threads:  2" NPT (2" G) 
• Mounting gasket:  Viton (2") metric only 
• Conduit connection:  1/2" NPT 
• CE compliance:  EN 50082-2 immunity  EN 55011 emission  EN 61010-1 safety 

The three-wire, sanitary ultrasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 24.5 feet with an integral relay for pump, valve or alarm control.  This device is ideal for use with sanitary bulk storage tanks, day tanks and process vessels. Designed to AAA standards, the transmitter is an excellent choice for food, beverage, biotech and pharmaceutical type liquids. Media examples include fats, deionized water and fruit juice.

Ordering Info

• Range:  0.5 to 24.5 feet (15 cm to 7.4 m) 
• Accuracy:  ± 0.25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  50 kHz 
• Pulse rate:  8 pulses per second 
• Beam width:  8 degree conical 
• Blocking distance:  0.5' (15 cm) minimum 
• Display type:  4 digit LED 
• Display units:  Inch (cm) 
• Memory:  Non-volatile 
• Supply voltage:  14-36 VDC 
• Consumption:  200 mA 
• Current flow:  Source / sink 
• Signal output:  4-20 mA, 14-36 VDC 
• Signal invert:  4-20 mA / 20-4 mA 
• Signal averaging:  Fast / slow 
• Calibration:  Push button 
• Relay type:  (1) SPDT 
• Relay output:  250 VAC, 10A, 1/2 hp 
• Relay mode:  Selectable, NO or NC 
• Relay indication:  ON / OFF status 
• Contact resistance:  30 milliohm 
• Fail-safe diagnostics:  Relay reverts to safe position 
• Temperature rating: 
• F: -40 degrees to 140 degrees, 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• CIP temperature:  F: 230 degrees (C: 110 degrees) max. 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., derated @ 1.667 psi (0.113 bar) per degree C. above 25 degreesC. 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  Polypropylene, UL94 VO 
• Transducer material:  Natural Polyvinylidene Fluoride (PVDF) 
• Ferrule connection:  3" (75 mm) or 4" (100 mm) 
• Conduit connection:  1/2" NPT 
• CE compliance:  EN 50082-2 immunity  EN 55011 emission 
• EN 61010-1 safety 

The two-wire, general purpose ultrasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 18 feet.  This device is ideal for use with general purpose bulk storage tanks, process vessels and wet wells.  With non-contact technology, the transmitter is an excellent choice for applications with dirty, coating, slurry or corrosive type liquids.  Media examples include hydrochloric acid, sodium hydroxide and resin.

Ordering Info

• Non-contact continuous process measurement of liquids or slurries with 4-20 mA and relay outputs 
• Range:  0.5 to 18 feet (15 cm to 5.4 m) 
• Accuracy:  ± 0.25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  50 kHz 
• Pulse rate:  2 pulses per second 
• Beam width:  8' conical 
• Deadband:  0.5' (15 cm) minimum 
• Blocking distance:  0.5 to 18 feet (15 cm to 5.4 m) 
• Display type:  4 segment LCD 
• Display units:  Inch (cm) 
• Memory:  Non-volatile 
• Supply voltage:  GP: 12-36 VDC 
• IS: 12-32 VDC 
• Max loop resistance  GP: 900 Ohms @ 36 VDC 
• IS: 900 Ohms @ 32 VDC 
• Signal output:  GP: 4-20 mA, 12-36 VDC 
• IS: 4-20 mA, 12-32 VDC 
• Signal invert:  4-20 mA / 20-4 mA 
• Calibration:  Push button 
• Fail-safe diagnostics:  Reverts to 4 mA, 22 mA or remains constant 
• Temperature rating: 
• F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., derated @ 1.667 psi (0.113 bar) per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  Polypropylene (PP), UL94 VO 
• Transducer material:  Polyvinylidene Fluoride (PVDF) 
• Mounting threads:  2" NPT (2" G) 
• Mounting gasket:  Viton (2") metric only 
• Conduit connection:  1/2" NPT (1/2" BSP) 
• CE Compliance:  EN 50082-2 immunity EN 55011 emission 
• CSA Certificate:  LR79326-10

The two-wire, intrinsically safe ultrasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 18 feet. This device is ideal for use with hazardous bulk storage tanks, process vessels and waste sumps. Approved for use in Class I, Groups A, B, C and D; Class II, Groups E, F and G; Class III; T3C environments, the transmitter is an excellent choice for use with solvent, hydrocarbon and petroleum type liquids.
 
 
 
  Ordering Info
 
 

• Range:  0.5 to 18 feet (15 cm to 5.4 m) 
• Accuracy:  ± 0.25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  50 kHz 
• Pulse rate:  2 pulses per second 
• Beam width:  8' conical 
• Deadband:  0.5' (15 cm) minimum 
• Blocking distance:  0.5 to 18 feet (15 cm to 5.4 m) 
• Display type:  4 segment LCD 
• Display units:  Inch (cm) 
• Memory:  Non-volatile 
• Supply voltage:  GP: 12-36 VDC 
• IS: 12-32 VDC 
• Max loop resistance  GP: 900 Ohms @ 36 VDC 
• IS: 900 Ohms @ 32 VDC 
• Signal output:  GP: 4-20 mA, 12-36 VDC 
• IS: 4-20 mA, 12-32 VDC 
• Signal invert:  4-20 mA / 20-4 mA 
• Calibration:  Push button 
• Fail-safe diagnostics:  Reverts to 4 mA, 22 mA or remains constant 
• Temperature rating: 
• F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., derated @ 1.667 psi (0.113 bar) per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  Polypropylene (PP), UL94 VO 
• Transducer material:  Polyvinylidene Fluoride (PVDF) 
• Mounting threads:  2" NPT (2" G) 
• Mounting gasket:  Viton (2") metric only 
• Conduit connection:  1/2" NPT (1/2" BSP) 
• CE Compliance:  EN 50082-2 immunity   -   EN 55011 emission 
• CSA Certificate:  LR79326-10 

The three-wire, general purpose ultrasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 40’ with an integral relay for pump, valve, or alarm control. This device is ideal for use with general purpose chemical or water storage tanks, waste lift stations or water reservoirs. With non-contact technology, the transmitter is an excellent choice for applications with dirty, coating, scaling or corrosive type liquids. Media examples include water, wastewater and slurries. Range:  1.5 to 40 feet (.5 to 12.2 m)
 

Ordering Info

• Accuracy:  ± 0.25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  26 kHz 
• Pulse rate:  8 per second 
• Beam width:  4 degrees 
• Dead band:  1.5' (.5 m) minimum 
• Display type:  4 segment LED 
• Display units:  Inches (cm) 
• Memory:  Non-volatile 
• Supply voltage:  14-36 VDC 
• Consumption:  200 mA maximum 
• Current flow:  Source/sink 
• Signal output:  4-20 mA, 14-36 VDC 
• Calibration:  Push button 
• Relay type:  (1) SPDT 
• Relay output:  250 VAC, 10A, 1/2 hp 
• Relay mode:  Selectable, NO or NC states 
• Relay indication:  ON / OFF status 
• Contact resistance:  30 milliohms 
• Fail-safe diagnostics:  Relay reverts to safe position 
• Temperature rating: 
• F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., derated @ 1.667 psi (0.113 bar) per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X (IP68) 
• Enclosure material:  PP, UL94 VO 
• Transducer material:  PVC 
• Mounting conn.:  3" ANSI / DIN 80 flange) 
• Conduit conn.:  1/2"NPT 

The two-wire, small tank alphasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 6 feet.  This device is ideal for use with general purpose intermediate bulk containers, process vessels and plating lines.  With non-contact technology, the transmitter is an excellent choice for applications with dirty, coating or scaling type media such as acid waste.  The compact design is the perfect size for small tank applications. 

Ordering Info

• Non-contact continuous measurement of liquids or slurries with 4-20 mA output 
• Range:  3.6" to 6' (9 cm to 1.8 m) 
• Accuracy:  ± .25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  83 kHz (nominal) 
• Pulse rate:  2 pulses per second 
• Beam width:  8° conical 
• Dead band:  3.6" (9 cm) 
• Supply voltage:  12-36 VDC 
• Max loop resistance:  600 Ohms @ 36 VDC 
• Signal output:  4-20 mA, 12-36 VDC 
• Fail-safe diagnostics:  Reverts to 22 mA LED flashing 
• Temperature rating:  F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Temp. compensation:  Automatic over entire range 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., 
• derated @ 1.667 psi (0.113 bar) 
• per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X / IP65 
• Enclosure material:  Polypropylene, U.L. 94VO 
• Transducer materials:  PVDF 
• Mounting threads:  3/4" NPT (3/4" G) 
• Mounting gasket:  Viton (3/4" G) metric only 
• Conduit connection:  1/2" NPT 
• CE compliance:  EN 50082-2 immunity
• EN 55011 emission (pending)

The two-wire, small tank alphasonic level transmitter is mounted through the top wall of the tank and provides non-contact measurement up to 12 feet.  This device is ideal for use with general purpose intermediate and bulk containers, process vessels and day storage tanks.  With non-contact technology, the transmitter is an excellent choice for applications with dirty, coating, scaling or corrosive type liquids such as acid waste. The compact design is the perfect size for many tank applications. 

Ordering Info

• Range:  0.5 to 12' (15.2 cm to 3.6 m) 
• Accuracy:  ± .25% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  50 kHz 
• Pulse rate:  5 per second 
• Beam width:  8 degree conical 
• Dead band:  0.5' (15.2 cm) min. standard conditions 
• LED indication:  Power status & failsafe diagnosis 
• Fail-safe diag.:  Reverts to 22 mA 
• Supply voltage:  12-36 VDC 
• Relay rating:  2 x 10A SPDT 
• Loop resistance:  600 ohms @ 38 VDC 
• Signal output:  4-20 mA 
• Temperature rating:  F: -40 degrees to 140 degrees 
• C: -40 degrees to 60 degrees 
• Pressure rating:  30 psi (2 bar) @ 25 degrees C., 
• derated @ 1.667 psi (0.113 bar) 
• per degree C. above 25 degrees C. 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  PP (U.L. 94VO 
• Transducer materials:  PVDF 
• Mounting threads:  2" NPT (2" G) 
• Mounting gasket:  Viton (2") metric 
• Conduit connection:  1/2" NPT 

The two-wire, low cost alphasonic level transmitter is mounted through the top wall of the tank and provides continuous measurement up to 10 feet. This device is ideal for use with general purpose day storage tanks, process vessels and drums. The transmitter is best applied in non-coating or scaling type liquids including clean water, acid and chemical solutions. The acoustic wave guide reduces the measurement space down to 1/2 inch while separating foam from the point of measurement. 

• Continuous measurement of non-coating or scaling type liquids 
• Range:  0.3 to 10' (9 cm to 3 m) 
• Accuracy:  ± 1% of span in air 
• Resolution:  0.125" (3 mm) 
• Frequency:  2 kHz (nominal) 
• Pulse rate:  5 per second 
• Dead band:  0.3' (5 cm) minimum 
• Supply voltage:  12-36 VDC 
• Loop resistance:  600 ohms @ 36 VDC 
• Signal output:  4-20 mA, 12-36 VDC 
• Signal invert:  4-20 mA or 20-4 mA 
• Minimum range:  8" 
• Maximum range:  120" 
• Span adjustment:  Potentiometer 
• Indication:  LED for power status 
• Temperature rating:  F: -40 degrees to 140 degrees
• C: -40 - 60 degrees 
• Temp. compensation:  Automatic over range 
• Pressure rating:  Atmospheric 
• Wave guide:  Schedule 40 or 80, 1/2" or 20 mm 
• Guide materials:  PVC, PP or PVDF 
• Enclosure rating:  NEMA 4X / IP65 
• Enclosure material:  Polypropylene, U.L. 94 VO 
• Diaphragm material:  Polyethylene 
• Mounting threads:  1" NPT (1" G) 
• Mounting gasket:  Viton 1" (metric only) 
• Conduit connection:  1/2" NPT 
• Thread material:  PP 
• CE compliance:  EN 50082-2 immunity
• EN 55011 emission 

The two-wire, self grounding capacitance level transmitter is mounted through the top wall of the tank and provides continuous measurement up to 10 feet. This device is ideal for use with general purpose intermediate storage tanks and process vessels. The transmitter is best applied in conductive, non-coating or scaling type liquids including clean water, acid and chemical solutions. The all FEP Teflon probe is an excellent choice for highly corrosive media such as hydrochloric acid. 

Ordering Info

• Range:  1 to 10' (30 cm to 3 m) 
• Accuracy:  ± 1% of full span 
• Resolution:  ± 0.125" (3 mm) 
• Conductivity range:  > 100 micro-mhos 
• Dielectric range:  > 20 constants 
• Probe pF range:  100 to 1000 pF 
• Supply voltage:  14-36 VDC 
• Loop resistance:  600 ohms @ 36 VDC 
• Signal output:  4-20 mA, 14-36 VDC 
• Signal invert:  4-20 mA or 20-4 mA 
• Adjustments:  Potentiometer 
• Indication:  LED for power status 
• Temperature rating:  F: -40 degrees to 158 degrees 
• C: -40 degrees to 70 degrees 
• Pressure rating:  150 psi (10 bar) @ 25 degrees C., 
• derated @ 1.667 psi (0.113 bar) per degree C. above 25 degrees C. 
• Probe material:  FEP Teflon® 
• Enclosure rating:  NEMA 4X (IP65) 
• Enclosure material:  Polypropylene, UL94 VO 
• Mounting threads:  3/4" NPT (3/4" G) 
• Mounting gasket:  Viton (3/4") metric only 
• Conduit connection:  1/2" NPT 
• CE Compliance:  EN 50082-2 immunity   EN 55011 emission