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Precision IOT & Industrial Pressure Sensors

Hefei WNK Smart Technology – trusted manufacturer since 2004. Delivering high-accuracy pressure, level, and temperature sensors for industrial automation, HVAC, water treatment, and medical applications worldwide.

2004
Established
100+
Employees
40%
Export Rate
$4M+
Annual Sales
IOT Pressure Sensor
IP65 Rated
Dust & Water Resistant
Factory Tour

About Hefei WNK Smart Technology

Founded in 2004, Hefei WNK Smart Technology Co., Ltd is a high-tech enterprise specializing in the research, development, manufacturing, and sales of advanced sensors, transmitters, and automation instruments.

We are committed to providing comprehensive industrial IoT solutions and factory informatization systems. Our products are widely used in water treatment, HVAC, industrial automation, medical equipment, and food processing industries.

ISO-Certified Quality

Strict QC processes ensure reliability

OEM/ODM Support

Customization for your application

Global Export

Serving clients in 40+ countries

24/7 Support

Dedicated technical assistance

Learn More About Our Factory

Our Premium Products

Explore our wide range of industrial sensors and transmitters designed for accuracy, durability, and seamless integration into your systems.

IOT Pressure Sensor

IOT Small Pressure Sensor Transducer

  • Range: 0-70MPa
  • Output: I2C, SPI, 4-20mA
  • Accuracy: 0.5%FS, 1%FS
  • Medium: Gas & Liquid
Get Best Price
Submersible Water Level Sensor

Submersible Water Level Sensor

  • Range: 0-200m H2O
  • Output: 4-20mA, RS485
  • Accuracy: ±0.2%FS
  • Temp: -10°C to 70°C
Get Best Price
Air Differential Pressure Transmitter

Digital Air Differential Transmitter

  • Range: -100 to 100kPa
  • Output: 4-20mA, RS485
  • Display: Digital LCD
  • Media: Air, Gas
Get Best Price
Sanitary Pressure Transmitter

Hirschmann Sanitary Pressure Transmitter

  • Connection: Tri-clamp
  • Output: 4-20mA
  • Material: 316L SS
  • Use: Food, Medical
Get Best Price
Water Pressure Sensor

5V/24V Water Pressure Sensor

  • Voltage: 5V or 24V
  • Temp: -10°C to 70°C
  • Accuracy: High Precision
  • Medium: Water, Oil, Gas
Get Best Price
Compact Pressure Sensor

Compact Pressure Sensor

  • Size: Miniature Design
  • Range: 0-7MPa
  • Output: 0.5-4.5V
  • Use: Industrial, HVAC
Get Best Price
Smart Pressure Transmitter

Smart Pressure Transmitter

  • Output: 4-20mA, RS485
  • Stability: 0.2%FS/year
  • Temp: -40°C to 85°C
  • Use: Firefighting, OEM
Get Best Price
Medical Air Flow Sensor

Medical Air Flow Sensor

  • Application: Medical Devices
  • Medium: Air, Oxygen
  • Accuracy: High Sensitivity
  • Compliance: Medical Grade
Get Best Price

Why Choose Our Sensors?

Advanced Technology

Utilizing diffused silicon and MEMS technology for high sensitivity and long-term stability in harsh environments.

Certified Quality

Rigorous quality control ensures every sensor meets international standards for performance and reliability.

Custom Solutions

OEM and ODM services available. Customize pressure range, output, housing, and electrical connections.

Global Support

Serving customers in Europe, North America, Asia, and beyond with fast shipping and technical support.

Wide Compatibility

Compatible with PLCs, SCADA systems, and IoT platforms. Supports 4-20mA, I2C, RS485, and analog outputs.

Durable Design

Stainless steel (304/316L), brass, and IP65/IP68 rated enclosures for long service life in tough conditions.

600+
Products
40+
Countries
20+
Years Experience
100+
Employees

What Our Customers Say

"I purchased a pressure converter from this company. I have already bought it twice and it is a high-quality converter. I replaced the Russians with these. Good packaging is intact and undamaged. I recommend the seller to everyone."

— S*Ag

"The product is good, a little more expensive than other manufacturers, but perfect for our application. Reliable performance and excellent technical support."

— J*Me

Get in Touch

Have questions or need a quote? Contact us directly through the official website.

Contact Information

Hefei WNK Smart Technology Co., Ltd — Trusted sensor manufacturer since 2004.

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