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AD8 / AD9 Series
Ultrasonic air bubble and air-in-line sensors
August 2007 / 301
1/3
www.sensortechnics.com
FEATURES
· Non-invasive pulse-type ultrasonic
technology
· Compact design features integral
programmable micro-controller
· High accuracy and reliability
· Dry coupled, no coupling gel required
· Output signal not affected by fluid or
tubing colour
· High EMI and RFI noise immunity
SPECIFICATIONS
Maximum ratings
Supply voltage (V
S)5 VDC (± 10%)
Supply current
without LED
15 mA
with LED
24 mA
Temperature limits
Storage
-20 ... 85 °C
Operating
5 ... 60 °C
Humidity limits
0 - 95 %RH
(non-condensing)
ELECTRICAL CONNECTION
Note: Self-Test provides an electronic check for
false wet output signals.
Connect to Ground for normal operation.
RED
BLACK
GREEN
ORANGE
Input DC Voltage
Ground
Self-Test
CMOS Logic Output
Sensor