Holykell Technology CO., LTD.

  • Booth: 1154

Join us to explore our latest measurement solutions. Welcome

Who We Are?
Holykell, founded in 2001, is a high-tech enterprise mainly engaged in industrial measuring instruments such as pressure level, temperature & wireless sensors, flow meters and one-stop solutions. 

Why Choose Us?
With more than 20 years experience, we have exported our products to 175 countries and have offered over 30,000 solutions. Our R&D team with over 5 years experience on customization is always available to assist you in the most complete solutions. As one of the China sensor suppliers that own the most complete certificates, we have obtained 18 quality certification, CE, ATEX, FCC, ROHS, SGS,TUV, ISO9001, ISO45001, ISO14001, and over 20 patents... 

You’ll Benefit?
We are known both for the high-quality products and also the satisfactory pre-sales & after-sales service, including fast technical supports within 1 hour, 99.8% on-time delivery, 0.05% manufacturing return rate. We pride ourselves on our excellent OEM & ODM & One-stop service, which has helped us build long-term relationships with our clients.

Brands: Holykell

 Press Releases

  • Holykell Since 2001,totally 30K +solutions have been provided.
    products are exported to 141+ countries.
    Our annual production capacity of  sensors exceeds 120,000.
    All measuring instruments have been tested and certified by Hunan Metrology Institute.
    The core product series have all obtained EU CE certification and North American FCC certification.
    Our factory passed the international ISO9001: 2015 quality system certification and EU ATEX / IECIEC / North American CSA intrinsically safe explosion-proof safety system certification.

    Excellent projects 
    1.Real-time monitoring system for the deep water level of the Three Gorges Dam
    2.Brand Telecom base station oil level detection solution
    3. Water storage and groundwater level detection system in Australia pasture
    4. American HVAC commercial central air conditioning system pressure and temperature measurement system
    5.Shengli Oilfield, Canadian Petrochemical, Nigeria Petroleum Exploration and Storage, Indian Town Diesel Generator Set Project, etc.


  • Wireless pressure level transmitter
    The wireless level& pressure &temperature sensor for 4G ,Lora,NB-IOT remote monitoring...

  • 1.Saving money, Saving time, Saving labor 

    In conclusion:

    In the first year saves 22%

    In the second year saves 97%

    The cost of the second/third years can be saved by more than 97%

    2.Strong Compatibility:

    A. Our H2600 wireless series is highly compatible with a wide range of wireless communication frequency bands, making it applicable worldwide. It also supports 4G Internet of Things operation and GPRS/3G network data transmission, and comes with a type C interface computer configuration. Our configuration software supports switching between English interface and encryption, as well as supporting MQTT, TCP/IP, Modbus, and UDP protocols.

    B. With its reliable design, the H2600 wireless series provides 24-hour accurate monitoring and real-time data, ensuring that your irrigation and fire protection systems run smoothly.

    C. We offer customized services to meet specific needs. We can customize the wireless platform protocol for you to be compatible with your other sensor products, or customize the protocol of our own products to be compatible with your wireless platform.

    3. Intelligent & Convenient:

    A. Our H2600 wireless series requires almost no maintenance, thanks to its high IP68 protection level, low power consumption design, long battery life, and larger than 2 times product overvoltage and overload protection. It also has a low failure rate for long-term use.

    B. Our H2600 wireless series provides reliable data transmission that won't be dropped, with anti-interference data communication terminal. In case of sudden power failure or interference from other electronic equipment, an emergency plan will be activated. The data can be stored continuously and automatically resumed after the network or power is restored.

    C. We take data security seriously and use Alibaba Cloud server, one of the world's three major clouds, to protect your data.

    D. Our H2600 series products have passed EU CE EMC/EMI certification, and come with hardware that is lightning-proof, rain-proof, moisture-proof, dust-proof, salt spray-proof, over-voltage protection, surge-proof, and lightning-proof, providing all-round protection for your products.

    4. Labor Saving:

    A. The battery life of our H2600 wireless series is 5 years based on data reported in 1-2 hours, which is more than enough for most applications. It also has 2 power supply modes: external and rechargeable battery. The battery is easily replaceable and supports external solar power.

    B. Our H2600 wireless series has a low-power design, with sensors that use low-voltage and low-power digital signals for data acquisition. With only 3.6v power supply, it consumes just 0.075W power.

    C. Our H2600 wireless series features a digital intelligent circuit board and automatic temperature compensation algorithm in all temperature zones, eliminating the need for frequent calibration and making maintenance more convenient.

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