1PC 12V Non-contact liquid level sensor with buzzer Water level sensor switch with buzzer alarm
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Specifications
- Brand Name
- custom-souring
- Origin
- Mainland China
- Output
- Switching Transducer
- Model Number
- Liquid sensor switch
- Type
- Biosensor
- is_customized
- Yes
- Material
- Polymer
- Use
- Position Sensor
- Quality
- A
- Theory
- Other
- MOQ
- 1
- cable
- 0.5M
Product Description
1. Use glue to stick the liquid level sensor tightly on the outer wall of the non-metallic container;
2. Wire correctly according to the above wiring instructions;
3. Adjust the liquid level in the container to the middle position of the sensor to keep the liquid level calm.
4. Long press the sensitivity adjustment button for about two seconds, release the button after the sensor indicator flashes, and wait for the indicator to stop flashing
(It may be always on after the indicator stops flashing, or it may be always off, it is normal)
Note: The sensor probe cannot penetrate metal containers, only non-metal containers can be detected.
Wiring
Red: positive
Black: negative electrode
PAYMENT
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1.When you place an order, please choose a shipping method and pay for the order including the shipping fee.
2.We will send the items with 2-5days once the payment is confirmed by the system.
3. Any import Taxes is not included in the shipping fee, buyers are responsible for the customs duties when it is occurred .
4.Any request to get the refund ,please send back the items back to us. Customers should pay the freight back to China if problems if yours .
on the other side, if problem is ours we will pay the shipping fee.
5.Express shipping (DHL,Fedex,UPS,TNT etc) and post service are provided for the shipping. 3-7Days will be arrived to your door by Express shipping
Post service Such as China Post Register Air Mail ,Singapore post, Hongkong Post Air Mail reach most countries within 15-45 business days,
Some destination and other factors may take up to 60 business days.
Please pay attention : some shipment you choose will not have tracking number please note it ,
please contact us to get a refund or resent if you don’t get within 60 working days .
1. Service to worldwide,Wholesale ,retail, drop shipping , Customized support.
2. Working time: (UTC+8) 8:45-12:00am; 13:00-22:00 pm .Feel free to contact us
Wholesale and drop shipping:
Pros & Cons
Pros
- Non-contact design for safe, hygienic liquid level detection
- Built-in buzzer alarm to trigger immediate level threshold alerts
- Fully customizable to fit specific user application requirements
- Compact form factor that is easy to integrate into existing monitoring setups
Cons
- Minimum order quantity of 1 unit per purchase
- No detailed installation instructions are included in the product listing
- Listed product type may not align with all industrial liquid level monitoring standards
- No third-party safety certifications are listed for the sensor
Common Questions
What material is this non-contact liquid level sensor made of?
It is constructed from polymer material for reliable, long-lasting performance.
How long is the included cable for this liquid level sensor?
The included sensor cable has a total length of 0.5 meters.
Can this liquid level sensor be customized for specific applications?
Yes, this product is fully customizable to meet unique user needs.
What key function does this sensor perform?
It acts as a liquid level switch with a built-in buzzer alarm to detect and alert users when liquid levels reach a set threshold.
Where is this liquid level sensor shipped from?
It is shipped from Mainland China, the listed origin of the product.
Product information last updated on May 11, 2026