LevelTransmitters
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Echotouch, Continuous Ultrasonic Transmitters

Application
Echotouch Two-Wire Ultrasonic Level Transmitter LU20-50_1	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.
Specifications

LU20 Ultrasonic Loop Powered Level Transmitter GP = General Purpose IS = Intrinsically Safe
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

Application
Echotouch Intrinsically Safe Ultrasonic Level Transmitter LU20-50_1-IS	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.
Specifications

LU20 Ultrasonic Loop Powered Level Transmitter GP = General Purpose IS = Intrinsically Safe
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

Application
Symprobe Self Grounding RF Capacitance Level Transmitter LP75-20_1-_	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.
Specifications

LP75 Symprobe Capacitance Level Transmitter
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

* Symprobe probe design ensures reliable grounding in plastic tanks

* Solid state sensors with no moving parts

* Loop powered design, 4-20mA output

* Easy calibration

* Operates over wide range of process liquids and viscosities

* Standard probe lengths from 18" to 120"

Smart Trak Mounting System -- $55

* PP Adjustable in-tank mounting system

* Mounts up to four sensors

* Mixer compatible with rotational velocities of up to 1.5 fps

* Optional side mount bracket conveniently mounts Smart Trak to tank wall

* Permits different sensing technologies for additional safety

* Integral controller options available

* Lengths from 2' to 20'

Strobe Alert -- $110

* Calls immediate attention to alarm conditions

* High intensity strobe light reduces operator error

* Mounts directly on Sensor Mount Controllers

* Convenient reminder to refill tank

* Available in AC or DC versions