user manual

Rev. A2, 11/08 IRU-2xx4/3xx4
5
Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
Tel: [phone] • Fax: [phone] • www.apgsensors.com • [e-mail]
DESCRIPTION
The IRU-2xx4/3xx4 is a low cost ultrasonic sensor used for non-contact measure-
ment over a 1’ to 35’ range. RS-485 interface allows for convenient sensor
communication. The sensor is encased in a sealed chemical resistant housing
and has built in temperature compensation.
SPECIFICATIONS
IRU-2xx4 IRU-3xx4
Range: 1’ to 25’ 1.25’ to 35’
Housing: ABS or PVC PVC
Outputs: RS-485 & NPN RS-485 & NPN
Supply Voltage: 12 to 28 VDC 12 to 28 VDC
(24 VDC Recommended sensor performance
is diminished if lower voltage applied)
Current Draw: 60 ma @ 24 VDC 60ma @ 24VDC
2.0 Watts Max. 2.0 Watts Max.
Transducer Type Ceramic Ceramic
Ratings NEMA 4X NEMA 4X
Sensor adjust RS-485 interface RS-485 interface
Operating temp. -40 to 60 °C -40 to 60 °C
Resolution .1inches (2.5mm) .1inches (2.5mm)
Accuracy +/- 0.25% Range +/- 0.25% Range
Temp. Comp. Internal Internal
(thermistor located on transducer face)
Sample Rate Programmable, 1 to 22 Hz
Beam pattern 9 degrees off axis (when operating with
high sensitivity)
Cable 6 conductor, 22 gauge 6’ length