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Non-contact Liquid Level Sensors Stick Type Liquid Sensor Liquid Level Switch Water Level Switch Factory

Non contact Liquid Level Sensors Stick Type Liquid Sensor Liquid Level Switch Water Level Switch Factory
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Non contact Liquid Level Sensors Stick Type Liquid Sensor Liquid Level Switch Water Level Switch Factory
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Availability: in stock
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Price:  US $57.99 / lot
Sale price:  US $40.01 / lot

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45 days Money back 45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
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Non-contact Liquid Level Sensors Stick Type Liquid Sensor Liquid Level Switch Water Level Switch Factory

NOTE: when you order, Please let us know the following~

1: This is the link for ONLY 5 PIECES WS-02 LEVEL SENSOR, if you need several, pls choose the relative quantity to buy.

2: Your measuring object: container or pipe? if it’s container, pls choose WS-02; if it’s pipe, pls choose WS-03.

3: If you choose WS-03 for pipe measuring, your pipe diameter is(8~12mm or 12~26mm)? We’ll send the free relative bracket once we know your pipe diameter is. Also you can leave us message in the order remarks part about which bracket you need, B or C? if you don’t remark in your order when you choose WS-03, we’ll send bracket C in default.

4: For Exterior working voltage Vdd we have, 5V or 12/24V two kinds, pls remark in your order about which power supply you would like, we’ll send 12/24V in default if you don’t remark, thank you for your cooperation~

Working Principle:

(the output to be low when there is water, and to go high when there is no water. )

Product Description:

Inducing water level sensor, only needs to cling it onto the outside of insulated container when you used. It will output an electrical signal when the liquid level reaches the detection point of the sensor. This sensor is easily installed and used and with a durable lifetime.

1. Contactless inducing sensor is applied to be installed outside of the container without direct contact with the liquid. It is not eroded by the superacid and alkali liquid and also is not affectted by the scale.
2. Intelligent liquid-level benchmark adjustment and liquid-level memory function. Liquid level status is displayed by LED.
3. Accurate and stable Detection. Also it can detect boiling liquid.
4. Pure electronic circuit structure, non-mechanical working, stable performance and durability lifetime.
5. High stabilization & sensitivity, good anti-jamming and no interference by outside electromagnetism.
6. Mightiness compatibility, it can penetrate various of non-metal material containers, such as plastic, glass, ceramic and other containers. Its inducing length can reach 10 mm, and it can detect liquid, powder and grain object.
7. Output with open collector which is applied to every kind of control circuit and product. Its voltage is from 5 to 24V and max output current is 30 mA.
8. The installation is simple and convenient, that is, paste and use.

Applied Range:
Household appliances products, sanitary wares intelligent control products, drinking & cleaning water and water treatment equipments, medical treatment and foodstuff mechanism equipments, chemical mechanism and equipments.
SENSOR 50×37×12mm
BRACKET 65×50mm


Connection and application

User Manual

1: Make sure the power wiring is correct before using. It should be connected to the output part and pull up the resistance R1.

2: Surface of the inducing sensor must cling to the container side.Use the resin glue or the double side tape to fix.The down-lead is fetched out from netherward.

3: The used container must be nonmetal and insulated,such as glass, plastic, ceramic and so on non-dielectric material.

4: The liquid level benchmark should lie in the centeraline of the vertical direction of the inducing sensor during installation.After installation, the working liquid level ON/OFF should deviate within10mm. If go beyond the requirement, use the special tool to adjustagain.

5: Benchmark adjustment method

Surface of the inducing of the sensor clings to the container side and the liquid level lies in the centerline of the vertical direction ofthe inducing sensor.Take away the QC label, Use a irresponsive screwdriver to adjust the resistor inside the adjustment hole on the top-left of the sensor. When the LEDlight turns on from theoffstate that means adjustment is completed..

If you have problems during using,you can’t disassemble the products by yourself. Please dismantle the entire sensor and return back to the manufacturer to repair.

Brackets Show

Installation Picture

A bracket installation

WS-03 Purchasing link

Contactless Pipe Water Level Switch

US$ 58.50
pieces / lot

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
Price:  US $57.99 / lot
Sale Price:  US $40.01 / lot
from AliExpress