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SENSORS / LIQUID/FLOW / 12" STANDARD ETAPE LIQUID LEVEL SENSOR WITH PLASTIC CASING
DESCRIPTION
This eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the
level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic
control systems. What separates this from our other eTape Liquid Sensor is the hard plastic
jacket that makes it less susceptible to damage.
The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it
is immersed. This results in a change in resistance that corresponds to the distance from the top
of the sensor to the surface of the fluid. The sensor's resistive output is inversely proportional to
the height of the liquid: the lower the liquid level, the higher the output resistance; the higher the
liquid level, the lower the output resistance.
This is a very unique sensor, we haven't seen anything else that is affordable and accurate for
measuring liquid level. This particular sensor is the 12" model. It comes with a 3-pin JST
connector for power and ground in and analog out
Since the sensor is a resistive divider / analog out, it is easy to read it using a
microcontroller/Arduino ADC pin. Connect the red wire to 3 or 5V power, the black wire to
1
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12" Standard eTape
Liquid Level Sensor
with Plastic Casing
PRODUCT ID: 2656
40 IN STOCK
1-9
10+
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DESCRIPTION
TECHNICAL DETAILS
ground, then read the analog divider output on white
Note: This product only comes with the plastic enclosed eTape Liquid Level Sensor. In our
demo, we set it up with an Adafruit Metro, a TB6612 Stepper Motor Driver Breakout Board, and
an Automotive Gauge Stepper Motor.
TECHNICAL DETAILS
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Dimensions:
305mm x 29mm x 13mm / 12" x 1.14" x 0.51"
Weight: 56g
Sensor Output: 400-2000Ω ±20%
Ref. Resistance: 2000Ω ±20%
Actuation Depth: Nominal 25.4mm / 1"
Resistance Gradient: 60Ω/cm / 150Ω /inch
Power Rating: 0.5 Watts
Temperature Range: 15°F - 150°F / -9°C - 65°C
Standard eTape Datasheet
Connect the black wire to ground, the red wire to +3 or +5V, then read the analog voltage off of
the white wire.
Then look in the App Note for the conversion between resistance and liquid level.
12" Chemical eTape Liquid
Level Sensor with Teflon
Liquid Flow Meter - Plastic
1/2" NPS Threaded
12" eTape Liquid Level
Sensor + extras
Peristaltic Liquid Pump with
Silicone Tubing - 12V DC
8" eTape Liquid Level
Sensor + extras
Liquid Flow Meter - Brass
1/2" Nominal Threaded
Optomax Digital Liquid
Level Sensor
Peristaltic Liquid Pump with
Silicone Tubing - 5V to 6V
Silicone Tubing for
Peristaltic Liquid Pump - 1
5" eTape Liquid Level
Sensor + extras
5" eTape Liquid Level
Sensor with Plastic Casing
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