D500A Datasheet, PDF (1/1 Pages) American Electronic Components, inc – Optical Liquid Level Sensors

Optical Liquid Level Sensors
D500A Series
This liquid presence sensor has been developed to address the needs of high
volume OEM applications. The sensor contains an infra-red emitter and detec-
tor accurately positioned to ensure good optical coupling between the two when
the sensor is in air. When the sensor’s cone is immersed in liquid, the infra-red
light escapes from the cone causing a change in the amount of light at the de-
tector.
This configuration allows the customer to tailor the sensor electronics (supply,
protection etc.) to their unique application.
Housing
Repeatability
Hysteresis
Response Time: Rising Liquid
Response Time: Falling Liquid
Supply Voltage (Vs)
Supply Current
Operating Temperature Range
Housing Material
Environmental
Pressure Range
D500 M10 Thread
± 1 mm
1 mm depending on liquid
50 µS
< 1 second
Any (see below)
10 mA
-20°C to +85°C
Polysulphone UDEL 1700
IP 67 Rated
15 bar
R_LED =1.1k
Vout vs. Vs
16.00
14.00
12.00
10.00
Liquid
8.00
6.00
Air
4.00
2.00
0.00
5.00
6.00
7.00
8.00
9.00
10.00
11.00
12.00
13.00
14.00
15.00
Supply Voltage
Customizable for volume applications.
Also available with 3 wire output instead of pins.
(Part Number D500A3)
Drawing dimensions in millimetres
12Vd.c.
1k
Vout
0V
Typical installation: Customer has to select suitable resis-
tors for their chosen supply voltage. Forward voltage of
LED is 1.3V and LED current should be 10mA (depending
on application liquid). Therefore, for a supply of Vs:
R_LED
=
(V_s −1.3)V
10mA
= ^{12 −1.3}
0.01
= 1070 Ω ≈ 1.1kΩ
© American Electronic Components Inc 2008
Specifications are subject to change without notice. E&OE.
American Electronic Components Inc.,
1101 Lafayette Street, Elkhart, Indiana. USA
Tel: [phone] Fax: [phone]
Email: [e-mail]
http://www.aecsensors.com
D500A 290808