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USR Series Medium- and Long-Range Ultrasonic Level Sensors
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RELATED PAGES: Ultrasonic Sensors | Reference
USR Series Ultrasonic Sensors for Non-Contact Level Measurement
USR Series Ultrasonic Sensors for Medium- and Long-Range, Non-Contact Level Measurement

U Series
 Medium- and Long-Range Ultrasonic Level Sensors

ultrasonic level sensors
Standard Ultrasonic Level Sensors also available
Madison Company has extended its line of ultrasonic sensors with the USR Series for medium- and long-range level measurement in both process and industrial applications.

Also available for the USR Series is a level controller for either a 110 VAC or 220 VAC (optional) power source, which is programmable with up to two set points. The 0-5 Volt output from the sensor is converted to inches and displayed. The controller can also be programmed with hysteresis and alarm delay options to match your process control range requirements.

Madison-Omni® models are also available for ultrasonic sensing and offer a self-contained display and alarm that are user programmable.
Features:
• Microprocessor controlled
• Temperature compensated
• Target indicating LED for ease in installation (not featured in Omni models)
• 4-20 mA or 0-5 V outputs
• Several housing materials to choose from; specials can be quoted
• Madison-Omni® series has integrated user-programmable display and alarm
Applications:
• Process
• Industrial
Specifications:
USR3
Range 8" to 36" (20.3cm to 91.4cm) Mechanicals
(USR3 & USR6):
Resolution 1/16" (1.588mm)
Update Rate > 30 per second (1 sec. rolling avg. standard)
Accuracy 0-5 V or 5-0 V ±1% full scale; 4-20 mA or 20-4 mA ±2% full scale
Operating Temperature -40°C to 62.8°C (-40°F to 145°F)
Operating Pressure Ambient
Operating Frequency 200 KHz
Operating Volts 24 VDC (3-wire)
Beam Angle 14°
Output Signal 0-5 V, 5-0 V, 4-20 mA or 20-4 m
 
USR6
Range 10" to 72" (25.4cm to 182.8cm)
Resolution 1/16" (1.588mm)
Update Rate > 20 per second (1 sec. rolling avg. standard)
Accuracy 0-5 V or 5-0 V ±1% full scale; 4-20 mA or 20-4 mA ±2% full scale
Operating Temperature -40°C to 62.8°C (-40°F to 145°F)
Operating Pressure Ambient
Operating Frequency 120 KHz
Operating Volts 24 VDC (3-wire)
Beam Angle 12°
Output Signal 0-5 V, 5-0 V, 4-20 mA or 20-4 m
 
USR12
Range 12" to 144 " (30.5cm to 365.7cm) Mechanical:
Resolution 1/16" (1.588mm)
Update Rate > 10 per second (1 sec. rolling avg. standard)
Accuracy 0-5 V or 5-0 V ±1% full scale; 4-20 mA or 20-4 mA ±2% full scale
Operating Temperature -40°C to 62.8°C (-40°F to 145°F)
Operating Pressure Ambient
Operating Frequency 75 KHz
Operating Volts 24 VDC (3-wire)
Beam Angle 15°
Output Signal 0-5 V, 5-0 V, 4-20 mA or 20-4 m
 
USR25
Range 18" to 300" (45.7cm to 762.0cm) Mechanical:
Resolution 1/18" (3.175mm)
Update Rate > 10 per second (1 sec. rolling avg. standard)
Accuracy 0-5 V or 5-0 V ±1% full scale; 4-20 mA or 20-4 mA ±2% full scale
Operating Temperature -40°C to 62.8°C (-40°F to 145°F)
Operating Pressure Ambient
Operating Frequency 40 KHz
Operating Volts 24 VDC (3-wire)
Beam Angle 12°
Output Signal 0-5 V, 5-0 V, 4-20 mA or 20-4 m
 
USR35
Range 18" to 420 " (45.7cm to 1066.8cm) Mechanical:
Resolution 1/4" (6.350mm)
Update Rate > 10 per second (1 sec. rolling avg. standard)
Accuracy 0-5 V or 5-0 V ±1% full scale; 4-20 mA or 20-4 mA ±2% full scale
Operating Temperature -40°C to 62.8°C (-40°F to 145°F)
Operating Pressure Ambient
Operating Frequency 40 KHz
Operating Volts 24 VDC (3-wire)
Beam Angle 12°
Output Signal 0-5 V, 5-0 V, 4-20 mA or 20-4 m
 
USR Controller
Range Refer to USR3, USR6, USR12 or USR 25 sensors above Mechanical:
Power 110 VAC (220 VAC optional)
Units Displayed Programmable in inches from sensor(s)
Relays 1 or 2, 5 A SPDT
Enclosure NEMA 4 with hinged cover (specials available)
Display 0.56" green LED, 4-digit
Set Point(s) Programmable, up to two
Terminals PCB screw-type connectors
Hysterisis Programmable in inches, ± from setpoint
Sensor Power 24 VDC @ 50mA
USR Series Medium- and Long-Range Ultrasonic Sensors
MODEL VOLTS DWG. NO. HOUSING MATL. OUTPUTa RANGE RESOLUTION MOUNTING OPERATING FREQUENCY BEAM ANGLE APPROVALS
(INCHES) (M) (INCH) (MM)
USR3 24 DC NC-12a PVC 0-5 V 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a PVC 5-0 V R 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a PVC 4-20 mA 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a PVC 20-4 mA 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a Aluminum 0-5 V 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a Aluminum 5-0 V R 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a Aluminum 4-20 mA 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12a Aluminum 20-4 mA 8-36 0.20-0.91 1/16 1.6 1" NPT* 200 KHz 14°  
USR3 24 DC NC-12c PVC 0-5 V 8-36 0.20-0.91 1/16 1.6 30mm 200 KHz 14°  
USR3 24 DC NC-12c PVC 5-0 V R 8-36 0.20-0.91 1/16 1.6 30mm 200 KHz 14°  
USR3 24 DC NC-12c PVC 4-20 mA 8-36 0.20-0.91 1/16 1.6 30mm 200 KHz 14°  
USR3 24 DC NC-12c PVC 20-4 mA 8-36 0.20-0.91 1/16 1.6 30mm 200 KHz 14°  
USR3 24 DC NC-12d 304SS 0-5 V 8-36 0.20-0.91 1/16 1.6 2" Tri-Clamp Flange 200 KHz 14°  
USR3 24 DC NC-12d 304SS 5-0 V R 8-36 0.20-0.91 1/16 1.6 2" Tri-Clamp Flange 200 KHz 14°  
USR3 24 DC NC-12d 304SS 4-20 mA 8-36 0.20-0.91 1/16 1.6 2" Tri-Clamp Flange 200 KHz 14°  
USR3 24 DC NC-12d 304SS 20-4 mA 8-36 0.20-0.91 1/16 1.6 2" Tri-Clamp Flange 200 KHz 14°  
USR6 24 DC NC-12a PVC 0-5 V 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a PVC 5-0 V R 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a PVC 4-20 mA 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a PVC 20-4 mA 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a Aluminum 0-5 V 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a Aluminum 5-0 V R 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a Aluminum 4-20 mA 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12a Aluminum 20-4 mA 10-72 0.25-1.82 1/16 1.6 1" NPT* 120 KHz 12°  
USR6 24 DC NC-12c PVC 0-5 V 10-72 0.25-1.82 1/16 1.6 30mm 120 KHz 12°  
USR6 24 DC NC-12c PVC 5-0 V R 10-72 0.25-1.82 1/16 1.6 30mm 120 KHz 12°  
USR6 24 DC NC-12c PVC 4-20 mA 10-72 0.25-1.82 1/16 1.6 30mm 120 KHz 12°  
USR6 24 DC NC-12c PVC 20-4 mA 10-72 0.25-1.82 1/16 1.6 30mm 120 KHz 12°  
USR6 24 DC NC-12d 304SS 0-5 V 10-72 0.25-1.82 1/16 1.6 2" Tri-Clamp Flange 120 KHz 12°  
USR6 24 DC NC-12d 304SS 5-0 V R 10-72 0.25-1.82 1/16 1.6 2" Tri-Clamp Flange 120 KHz 12°  
USR6 24 DC NC-12d 304SS 4-20 mA 10-72 0.25-1.82 1/16 1.6 2" Tri-Clamp Flange 120 KHz 12°  
USR6 24 DC NC-12d 304SS 20-4 mA 10-72 0.25-1.82 1/16 1.6 2" Tri-Clamp Flange 120 KHz 12°  
USR12 24 DC NC-13 PVC 0-5 V 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 PVC 5-0 V R 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 PVC 4-20 mA 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 PVC 20-4 mA 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 Aluminum 0-5 V 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 Aluminum 5-0 V R 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 Aluminum 4-20 mA 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR12 24 DC NC-13 Aluminum 20-4 mA 12-144 0.30-3.65 1/16 1.6 1-1/2" NPT* 75 KHz 15°  
USR25 24 DC NC-14 PVC 0-5 V 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 PVC 5-0 V R 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 PVC 4-20 mA 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 PVC 20-4 mA 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 Aluminum 0-5 V 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 Aluminum 5-0 V R 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 Aluminum 4-20 mA 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR25 24 DC NC-14 Aluminum 20-4 mA 18-300 0.45-7.62 1/8 3.2 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 PVC 0-5 V 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 PVC 5-0 V R 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 PVC 4-20 mA 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 PVC 20-4 mA 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 Aluminum 0-5 V 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 Aluminum 5-0 V R 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 Aluminum 4-20 mA 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
USR35 24 DC NC-14 Aluminum 20-4 mA 18-420 0.45-10.66 1/4 6.4 2-1/2" NPT* 40 KHz 12°  
* Same mounting on both ends of sensor.
a When closest to target
All specifications are subject to change without notice.
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