Shenzhen Gentos Industrial Automation System Co., Ltd.
Gentos Measurement & Control Co., Ltd is a leading manufacturer of ultrasonic flowmeters with over three decades of experience in fluid measurement.
Our pFlow brand has gained a strong reputation and is highly regarded in Asia, Europe, and America. Gentos Product line includes Clamp on flowmeters, BTU meters, IoT Ball Valves, providing versatile solutions for various applications.
Why Choose us
Customized Service
We offer tailored flow measurement solutions designed to meet the specific requirements of diverse industries.
Comprehensive Product Qualifications
Our company has successfully obtained certifications under the GB/T 19001-2016/ISO 9001:2015 international quality management system and the GB/T 24001-2016/ISO 14001:2015 environmental management system standards.
Extensive Experience
With more than 30 years of accumulated expertise in fluid measurement, we deliver reliable and high-performance solutions across a wide range of applications.
Parameter
|
Performance Index |
|
|
Flow velocity |
0.03m/s ~5.0m/s |
|
Accuracy |
±2%,(0.3m/s ~5m/s) |
|
Medium |
Water |
|
Pipe Size |
DN20 to DN80 |
|
Pipe Material |
Carbon Steel, Stainless Steel, Copper, PVC (According to the user's selection requirements, it has been selected at the factory, and the details are subject to the instrument display.) |
|
Functional Index |
|
|
Communication Protocol |
Support HTTP Protocol and MQTT Protocol |
|
Power supply |
Power over Ethernet POE network cable power supply |
|
Keypad |
4 touch keys |
|
Display screen |
1.44 " LCD colorful screen, resolution 128 * 128 |
|
Humidity |
Relative humidity 0~99%, No condensation |
|
Temperature |
Transmitter: 14℉ to 122℉ ( -10℃ ~ 50℃ ) Transducer: 32℉ to 140℉ ( 0℃ ~ 60℃ ) |
|
IP Rating |
IP54 |
|
Physical Characteristics |
|
|
Transmitter |
Plate mounted type |
|
Transducer |
Clamp on Standard cable length: 9m |
|
Network Cable |
POE network cable, standard length: 2m |
Product Applications
HVAC Systems
HVAC BTU flow meters are commonly used in large HVAC systems in commercial buildings, such as office complexes, malls, and hospitals. By accurately measuring energy consumption, these systems can optimize efficiency, reducing costs and environmental impact.
District Heating and Cooling
In district heating and cooling systems, HVAC BTU flow meters are installed at the building level to track the amount of energy each building consumes. This allows for fair billing based on actual usage rather than fixed rates.


Industrial Processes
In many industrial settings, HVAC BTU flow meters are used to monitor the energy consumption of equipment and processes that rely on heat transfer, such as boilers, chillers, or heat exchangers.
Residential Systems
Some homeowners install HVAC BTU flow meters to monitor the energy efficiency of their heating and cooling systems. By tracking energy usage, they can make adjustments to reduce waste and save money on utility bills.
Working Principle
Measuring Flow
The flow sensor is installed in the system to monitor the flow rate of the fluid. This could be water in a district heating system or a cooling fluid in a chilled water system. The flow sensor counts how much liquid is moving through the system, either by mechanical or ultrasonic means.
Recording Temperature
At the same time, the two temperature sensors capture the temperature of the fluid entering the system and the temperature of the fluid leaving it. The difference between these two temperatures is crucial, as it indicates how much energy is being transferred.
Energy Calculation
The HVAC BTU flow meter calculating unit takes the flow rate and multiplies it by the difference in temperatures. This provides a measurement of the energy being consumed in the form of BTUs.
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
1. The time frame of an order delivery is divided into two parts:
●Processing time: 7-14 Days
●Shipping time: 20~30 Days
2. Shipping methods: DDP, DAP, EXW, etc.
3. Shipping fee: The shipping fee will be changed according to every pacel's weight.

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