DATA SHEET
Liquid Level Switch
Optomax
Digital
LLC200D3SH-LLPK1
FEATURES
Optomax Digital liquid level switches are ideal for applications
with restricted space that require a miniature, low power and low
cost sensing solution.
The microcontroller based sensor is solid state, incorporating an
infra-red LED and phototransistor which are optically coupled by
the tip when the sensor is in air. When the sensing tip is
immersed in liquid, the infra-red light escapes making the output
change state.
Housing/
Mounting
Output Type /
Logic
Supply
Voltage
Output
Current
Temp
TECHNICAL SPECIFICATIONS
Supply voltage (Vs)
Supply current (ls)
Output sink and source
current (lout)
Operating temperatures
4.5V
DC
to 15.4V
DC
2.5mA max. (Vs = 15.4V
DC
)
100mA
-25°C
to +80°C
OUTPUT VALUES
Output Voltage
5
(Vout):
Output High
Output Low
lout = 100mA
Vout = Vs
-
1V max
Vout = 0V + 0.5V max
Storage temperatures
Housing material
Sensor termination
-30°C
to +85°C
Polysulfone
1
24AWG, 250mm PTFE
wires, 8mm tinned
M12x1x8g with hex nut
3
7bar / 101psi maximum
4
1.5Nm / 13.26 in-lb maximum
Other sensor options available on request, email:
technical@sstsensing.com
Mounting thread
2
Operating pressure
Tightening torque
Need help? Ask the expert
Tel: +44 (0)1236 459 020
and ask for “Technical”
NOTES
1)
2)
3)
4)
5)
Before use check that the fluid in which you wish to use these devices is compatible with Polysulfone.
Sensor is mounted externally.
Hex nut and O-ring sold separately; email:
technical@sstsensing.com
for details.
When correctly sealed.
Voltages applicable to output value stated.
OUTLINE DRAWING
All dimensions shown in mm. Tolerances = ±1mm.
ELECTRICAL INTERFACE
Wire
Red
Green
Blue
Designation
Vs
Output
0V
CIRCUIT DIAGRAM
CAUTION: Take care when connecting loads.
The minimum load impedance should not exceed Vs/max output
current.
NOTE: Shorting the output to Vs or 0V will result in irreparable
damage to the sensor.
ORDER INFORMATION
Specify the part number listed below when ordering.
L
L
C
2
0
0
D
3
S H
-
L
L
P
K
1
Housing
Material
C
Polysulfone
Housing
Type
2
M12x1
Operating
Temp.
0
-25
°C
to +80°C
Output
Logic
Blank
Output
High in air
CAUTION
Do not exceed maximum ratings and ensure sensor(s) are operated in
accordance with their requirements.
Carefully follow all wiring instructions. Incorrect wiring can cause
permanent damage to the device.
SST Sensing Ltd recommend using alcohol based cleaning agents.
Do NOT use chlorinated solvents such as tricholerthane as these are
likely to attack the sensor material.
Failure to comply with these instructions may result in product
damage.
INFORMATION
As customer applications are outside of SST Sensing Ltd.’s control, the
information provided is given without legal responsibility.
Customers should test under their own conditions to ensure that the
equipment is suitable for their intended application. Before use, check
that the fluid in which you wish to use these devices is compatible with
Polysulfone.
For technical assistance or advice, please email:
technical@sstsensing.com
General Note:
SST Sensing Ltd. reserves the right to make changes to product specifications without notice or liability.
All information is subject to SST Sensing Ltd.'s own data and considered accurate at time of going to print.
DS-0141 REV 1
© 2017 SST SENSING LTD.
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