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CQRobot Ocean: Non-Contact Water/Liquid Level Sensor Compatible with Arduino, Raspberry Pi and Other Motherboards. for Industrial Production, Aquarium, Chemical Liquid, Agriculture, Gardening, etc.

CQRobot Ocean: Non-Contact Water/Liquid Level Sensor Compatible with Arduino, Raspberry Pi and Other Motherboards. for Industrial Production, Aquarium, Chemical Liquid, Agriculture, Gardening, etc.

Q: To clarify, the theoretical dialectic capacitance of distilled water is 0.348 nF. The air gap dialectic capacitance of the electrode is unknown?

Hello! Regarding the "electrode air gap dialectical capacitance" you mentioned, it is not included in our product production technical indicators, so we are very sorry that we cannot answer this question for you.

Q: Will it read through black plastic waist water tank on trailer

Hi! It can read through the outer wall of non-metallic containers with a thickness of less than 13 mm. If the wall thickness of the black plastic waste tank on your trailer exceeds 13 mm, it is likely to be unreadable. The following is the Wiki of this product for reference: http://www.cqrobot.wiki/index.php/Non-Contact_Water/Liquid_Level_Sensor_SKU:_CQRSENYW001

Q: Will this work on the outside of a curved 15 gallon hdpe water reservoir? i have some of thhe optical sensor but want to switch containers.

Hello! Just make sure that its outer wall meets the requirements for use. You can refer to the following wiki for this product: http://www.cqrobot.wiki/index.php/Non-Contact_Water/Liquid_Level_Sensor_SKU:_CQRSENYW001

Q: Can I extend the wires? Is it better to lengthen wires between sensor cb and rPi or sensor cb and sensor?

Hello! If you need to extend the wire, it is recommended to lengthen the wire between the sensor cb and RPi so that the sensing sensitivity of the sensor is not affected too much.

Product ID: 313857544

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Details

Brand
CQRobot
Material
Acrylonitrile
Item weight
0.05 Kilograms
Style
Non-Contact
Maximum supply voltage
5 Volts (DC)

⚡Dual voltage output (3.3V/5V)

📏12mm sensing distance

🔧Plug & play with Arduino & Raspberry Pi

Frequently Bought Together

CQRobot Non-Contact Water/Liquid Level Sensor Compatible with Arduino, Raspberry Pi and Other Motherboards. for Industrial Production, Aquarium, Chemical Solution, Agriculture, Gardening, etc.

Arduino Uno REV3 [A000066] – ATmega328P Microcontroller, 16MHz, 14 Digital I/O Pins, 6 Analog Inputs, 32KB Flash, USB Connectivity, Compatible with Arduino IDE for DIY Projects and Prototyping

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

Description

🌊 Level up your liquid sensing game—contactless, precise, and ready for any challenge!

ADAPTIVE VOLTAGE OUTPUT - Easily switch between 3.3V and 5V output via DIP switch for seamless integration with your favorite microcontrollers.
ROBUST SIGNAL PROCESSING - Advanced chip tech filters out electromagnetic and power frequency interference for ultra-stable, reliable readings.
PRECISION NON CONTACT SENSING - Detect liquid levels through plastic, glass, and ceramic with up to 12mm penetration—no container modifications needed.
VERSATILE LIQUID COMPATIBILITY - Safely monitor toxic chemicals, strong acids, alkalis, and even powders without sensor contamination or damage.
EFFORTLESS INSTALLATION INTEGRATION - Lightweight (50g) and compact design ensures quick setup in industrial, agricultural, or aquarium environments—get your project live faster.

The CQRobot Ocean Non-Contact Water/Liquid Level Sensor offers high-sensitivity, interference-resistant detection of liquid levels through non-metallic containers up to 12mm thick. Compatible with Arduino, Raspberry Pi, and other motherboards, it supports dual voltage outputs (3.3V/5V) and is ideal for industrial, agricultural, aquarium, and chemical applications requiring safe, non-invasive liquid monitoring.

Specifications

Brand	CQRobot
Package Dimensions	10.21 x 7.49 x 2.21 cm; 50 g
Item model number	CQRSENYW001
Manufacturer	CQRobot
Series	CQRobot
Color	Non-Contact
Are Batteries Included	No
Item Weight	50 g

Have a Question? See What Others Asked

To clarify, the theoretical dialectic capacitance of distilled water is 0.348 nF. The air gap dialectic capacitance of the electrode is unknown?

Will it read through black plastic waist water tank on trailer

Will this work on the outside of a curved 15 gallon hdpe water reservoir? i have some of thhe optical sensor but want to switch containers.

Can I extend the wires? Is it better to lengthen wires between sensor cb and rPi or sensor cb and sensor?

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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