Series ULB Ultrasonic Level Transmitter for Solids

Integrated LCD Display, Automatic Temperature Compensation

This series is no longer available, see Series ULT for the suggested replacement.

Specifications

Service:
Bulk solids.
Wetted Materials:
Sensor: Polypropylene; Acoustic window: ECTFE.
Ranges:
ULB-11: .82 to 11.5 ft (0.25 to 3.5 m); ULB-12: 1.96 to 28 ft (0.6 to 8.5 m).
Accuracy:
0.25% of max. range (at 20°C).
Resolution:
0.04" (1 mm).
Blind Zone:
ULB-11: 0.8’ (.25 m); ULB-12: 1.96’ (0.6 m).
Beam Angle:
5° @ 3 db point.
Temperature Limits:
-40 to 158°F (-40 to 70°C).
Temperature Compensation:
Automatic.
Pressure Limits:
13.5 to 30 psi (0.9 to 2 bar).
Power Requirement:
18 to 28 VDC.
Output Signal:
4 to 20 mA.
Loop Resistance:
Max. 727Ω @ 28 VDC.
Electrical Connections:
Screw terminal.
Conduit Connection:
1/2" NPT, cable gland (optional).
Process Connection:
2" NPT, 2" BSP (optional).
Enclosure:
Plastic enclosure: ABS & UV resistant body.
Enclosure Rating:
NEMA 4 (IP65).
Mounting Orientation:
Vertical.
Failsafe:
3 minute delay before transmission of an error signal.
Memory:
Non-volatile.
Display:
4 character LCD.
Units:
ft, m (optional).
Programming:
4 button.
Weight:
3.1 lb (1.4 kg).

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