Top Chinese Manufacturers & Suppliers of Explosion-Proof Ultrasonic Level Meters
If you are sourcing an explosion-proof ultrasonic level meter from China, several companies are worth evaluating, including CHHONE, Chengdu Sentec Technology, Holykell, Hefei Siko Instruments, and other industrial instrumentation manufacturers.
The best supplier depends on the measurement range, hazardous-area certification, process conditions, communication requirements, and budget. There is no independently verified ranking establishing one company as China’s number-one manufacturer, so the following shortlist is based on publicly available product listings and company information rather than a definitive ranking.
Leading Chinese Suppliers at a Glance
| Company | Location | Relevant products or capabilities | Best suited for |
| CHHONE | Wuxi, Jiangsu | Industrial instrumentation and ultrasonic level measurement products | Buyers exploring multiple instrumentation categories |
| Chengdu Sentec Technology Co., Ltd. | Chengdu, Sichuan | SUL805 explosion-proof ultrasonic liquid-level meter | Buyers seeking a model advertised with ATEX certification |
| Holykell Technology Company Limited | Hunan, China | UE2000 explosion-proof ultrasonic sensor | Buyers seeking long-range level measurement |
| Hefei Siko Instruments Co., Ltd. | Hefei, Anhui | HG-ULM-GA explosion-proof ultrasonic level meter | Industrial tank and liquid-level monitoring |
| Hebei Xukang Meter Manufacturing Co., Ltd. | Hebei, China | Explosion-proof ultrasonic level transmitters | Buyers comparing transmitter configurations |
| Fuzhou Eagle Ultrasonic Tech Co., Ltd. | Fuzhou, Fujian | Ultrasonic sensors and level measurement products | Buyers exploring ultrasonic sensing technology |
The companies above have relevant products or capabilities described in the cited sources. Their inclusion does not establish that every model they sell is certified for every hazardous environment.
1. CHHONE – Wuxi CHHONE Scientific Instrument Co., Ltd.
Location: Wuxi, Jiangsu, China
Product focus: Industrial instrumentation, ultrasonic level measurement, and process control.
CHHONE reports that it was established in 2014. Its published portfolio includes ultrasonic level sensors and transmitters, flow meters, pressure instruments, temperature transmitters, and water-quality monitoring products. Chhone
Why consider CHHONE?
- Offers multiple categories of industrial measurement instruments.
- Relevant for buyers sourcing level measurement and other process instrumentation.
- Provides a dedicated article about explosion-proof ultrasonic level meters.
Product information: CHHONE’s explosion-proof ultrasonic level meter page
Important: Confirm the exact model’s explosion-protection certification and technical specifications before treating it as suitable for a hazardous location.
2. Chengdu Sentec Technology Co., Ltd.
Location: Chengdu, Sichuan, China
Product: SUL805 explosion-proof ultrasonic liquid-level meter.
Sentec lists the SUL805 as an explosion-proof ultrasonic level instrument. Its product listing advertises ATEX certification, measurement ranges of 1 m, 2 m, and 3 m, and output options including 4–20 mA, RS485/Modbus, and HART. These specifications should be confirmed against the current datasheet and certificate. china-sentec.en.made-in-china.com
Why consider Sentec?
- Offers a specifically identified explosion-proof ultrasonic level meter.
- Provides several output and integration options.
- Lists customization and OEM/ODM availability.
Best for: Buyers looking for a compact level instrument for a compatible application.
Product information: Sentec SUL805 explosion-proof level meter
3. Holykell Technology Company Limited
Location: Hunan, China
Product: UE2000 explosion-proof ultrasonic level meter.
Holykell manufactures industrial measurement instruments, including level sensors, pressure sensors, and flow meters. Its UE2000 product listing describes an explosion-proof ultrasonic sensor for level measurement, with a listed maximum measurement range of up to 60 metres, depending on configuration. The listing also identifies 4–20 mA and RS485 output options. holykell.en.made-in-china.com
Why consider Holykell?
- Offers a dedicated explosion-proof ultrasonic level product.
- Provides options for different measurement ranges.
- Supports OEM/ODM enquiries and industrial sensor applications.
- Has an established industrial instrumentation product portfolio.
Best for: Buyers investigating long-range ultrasonic level measurement.
Product information: Holykell UE2000 explosion-proof ultrasonic level sensor
Certification note: Holykell’s product listing references CE certification, while other company materials describe broader certification capabilities. Ask for the current certificate applicable to the exact UE2000 configuration and destination market.
4. Hefei Siko Instruments Co., Ltd.
Location: Hefei, Anhui, China
Product: HG-ULM-GA explosion-proof ultrasonic level meter.
Siko lists an integrated ultrasonic level instrument intended for non-contact liquid-level measurement. The product listing specifies measurement options extending up to 30 m or 40 m, depending on configuration, and mentions interfaces such as 4–20 mA, RS485/Modbus, and HART. sikoflow.en.made-in-china.com
Why consider Siko?
- Offers an integrated level measurement instrument.
- Lists multiple electrical output and communication options.
- Provides product information for industrial tank and fuel-level measurement applications.
Best for: Buyers comparing integrated ultrasonic level meters and industrial control interfaces.
Product information: Siko explosion-proof ultrasonic level meter listing
Important: The listing mentions CE and RoHS, but those markings alone do not establish explosion-protection approval. Request the applicable hazardous-area certificate.
5. Hebei Xukang Meter Manufacturing Co., Ltd.
Location: Hebei, China
Product: Explosion-proof ultrasonic level meter and transmitter.
A product listing associated with this supplier describes an explosion-proof ultrasonic level transmitter with selectable HART communication and a stated measurement range exceeding 30 m. The supplier is identified on the marketplace as a manufacturer/factory and trading company. u-ideal.en.made-in-china.com
Why consider this supplier?
- Lists ultrasonic level transmitter products.
- Offers HART as a selectable communication option.
- Provides a further option for comparing industrial transmitter configurations.
Best for: Buyers comparing ultrasonic level transmitters for process-control applications.
Product information: Hebei Xukang explosion-proof ultrasonic level transmitter listing
Before proceeding, confirm the manufacturer’s legal identity, exact product model, certification, and current manufacturing capabilities.
6. Fuzhou Eagle Ultrasonic Tech Co., Ltd.
Location: Fuzhou, Fujian, China
Product: FYA-25-20C-FB ultrasonic level gauge transducer.
Fuzhou Eagle Ultrasonic Tech lists an ultrasonic sensor product described as explosion-proof, with a stated measurement range of 0.8–20 m. The listing also mentions customization and an IP68 protection rating. These specifications are supplier-published claims and should be independently checked before purchase. ultrans.en.made-in-china.com
Why consider this supplier?
- Specializes in ultrasonic sensing products.
- Offers customization options.
- Provides an alternative for buyers investigating ultrasonic transducers and level measurement components.
Best for: Buyers interested in ultrasonic sensor products and customized configurations.
Product information: Fuzhou Eagle ultrasonic level sensor listing
Important: IP68 indicates protection against water ingress under specified conditions; it does not, by itself, establish explosion-proof certification.
Which Manufacturer Should You Contact First?
Based on the available product information, I would prioritize these suppliers according to your requirements:
| Your requirement | Suppliers to investigate first | Reason |
| A dedicated explosion-proof ultrasonic level meter | Chengdu Sentec, Holykell | Both list specific products marketed for explosion-protected applications |
| Long-range ultrasonic level measurement | Holykell | Its UE2000 listing specifies a maximum range of up to 60 m, depending on configuration |
| Multiple instrumentation categories | CHHONE, Holykell | Both offer broader industrial measurement portfolios |
| HART or industrial communication options | Sentec, Siko, Hebei Xukang | Their relevant listings describe HART or other industrial interfaces |
| Custom ultrasonic sensing products | Fuzhou Eagle, Sentec | Their listings describe customization options |
These are shortlist recommendations, not independently verified rankings of manufacturing quality or overall supplier reliability.
Essential Checks Before Buying
For explosion-proof instruments, technical verification is particularly important. Ask every shortlisted supplier for:
- The exact explosion-protection certificate for the quoted model and configuration.
- Hazardous-area markings, including the applicable gas or dust group, temperature class, and equipment protection level.
- A complete technical datasheet showing measurement range, accuracy, dead zone, process temperature, and environmental limits.
- Electrical specifications, including power supply, 4–20 mA output, RS485/Modbus, HART, and other required interfaces.
- Quality and traceability documents, as applicable to your project.
- Commercial details, including MOQ, sample availability, lead time, warranty, shipping, and after-sales support.
Do not select a product based solely on the phrase “explosion-proof” in its advertising. Confirm that the actual instrument is certified for the hazardous-area classification where it will be installed.
Our Recommendation
Start by comparing CHHONE, Chengdu Sentec, and Holykell. CHHONE is worth investigating for its broader industrial instrumentation portfolio, while Sentec and Holykell have specific explosion-proof ultrasonic level meter listings available for technical comparison. Chhone
To narrow the shortlist further, the most useful information would be your required measurement range, intended application, and required certification—for example, ATEX or IECEx. With those details, the suppliers can be compared much more accurately.
👉 Contact CHHONE today to request technical specifications, product details, or a customized quotation. Follow us at Facebook, Instagram, LinkedIn and YouTube
