


1.Flow rate range:0-12m/s
2.Accuracy:1%
3.Unit: metric system or English system
4.Repeatability:0.2%
5.Communication output:Modbus 4-2mA BACnet/MSTP,Mbus
6.Protection level:IP65
7.Size:DN15-DN3000

Flow Sensors | Picture | Model | Measurement range | Flow temperature |
External clamp | ![]() | TWC-RS2 | DN15-DN80 | 0-160ºC |
External clamp | ![]() | TWC-RM | DN100-DN700 | 0-160ºC |
External clamp | ![]() | TWC-RL/LR (Available with stand) | DN300-DN3000 | 0-160ºC |
Insertion | ![]() | TWI-V-1(Standard Insertion) | DN80-DN1000 | 0-160ºC |
TWI-V-2(Extended insertion) | ||||
Insertion Mounting Tool | ![]() | TWI-HTK |

Segmented | ![]() | TWF | DN10-DN40 |
Nominal Size DN | Length L | Flange Dimension (DIN) | Flange Thickness C | |||||
mm | in | D | D1 | D-Φ | D2 | f | ||
10 | 3/8" | 300 | 90 | 60 | 4-14 | 41 | 2 | 14 |
15 | ½" | 320 | 95 | 65 | 4-14 | 46 | 2 | 14 |
20 | ¾" | 360 | 105 | 75 | 4-14 | 56 | 2 | 16 |
25 | 1" | 390 | 115 | 85 | 4-14 | 65 | 3 | 16 |
32 | 1¼" | 450 | 140 | 100 | 4-18 | 76 | 3 | 18 |
40 | 1½" | 500 | 150 | 110 | 4-18 | 84 | 3 | 18 |

Segmented | ![]() | TWF | DN50-DN250 |
Nominal Size DN | Length L | Flange Dimension (DIN) | Thickness | |||||
mm | in | D | D1 | Φ×n | D2 | f | C | |
50 | 2" | 200 | 165 | 125 | 18×4 | 99 | 3 | 20 |
65 | 2 ½" | 200 | 185 | 145 | 18×4 | 118 | 3 | 20 |
80 | 3" | 225 | 200 | 160 | 18×4 | 132 | 3 | 20 |
100 | 4" | 250 | 220 | 180 | 18×8 | 156 | 3 | 22 |
125 | 5" | 250 | 250 | 210 | 18×8 | 184 | 3 | 22 |
150 | 6" | 300 | 280 | 240 | 22×8 | 211 | 3 | 24 |
200 | 8" | 350 | 340 | 295 | 22×12 | 266 | 3 | 24 |
250 | 10" | 450 | 405 | 355 | 26×12 | 319 | 3 | 26 |












1. Does your company name, address, product/business scope match the actual?
Yes, all details are based on the actual situation. Welcome to visit us on site or online.
2. What are the main products of your company?
Ultrasonic Water meter 280W-R series, 280W-D1 and -CI series; Heat Meter 280T series; Portable and wall-mounted flow meters EF40, TP10, EF10, RH40; Electromagnetic Flowmeter MAG888; Concentrator.
3. Are you a trading company, a manufacturer or a combination?
We are a combined R&D, manufacturing, factory and trading company with factories in Chengdu, China, Guizhou, Massachusetts, USA and Saudi Arabia, which means that we both produce and sell our products.
4. What communication output methods does the product have?
RS485/Mbus/NB-IoT/LoRaWan/Wmbus/BACnet/Pulse/4G/ TTL/Infrared
5. How can we buy products at a better price?
The price varies according to the product model, quantity and size. Generally, we will give preferential price based on larger quantity, larger size and long-term relationship.
6. What payment methods do you support?
T/T is preferred.
7. What are your success cases?
We have many successful cases at China and abroad.
The following are some representative cases:
*An Austrian company purchased 8,000 DN15 ultrasonic water meters from Shenitech in 2009;
*Spire has signed a 10-year strategic cooperation agreement with AEC, Saudi Arabia's largest electronics manufacturer, and is the exclusive supplier of AEC's ultrasonic water meter modules;
*Shenitech has provided 300,000 ultrasonic water meter modules to Saudi Arabia; the Royal Clock Tower in Mecca has used Shenitech's 5,000 ultrasonic water meters and heat meters, 200 collectors and a 3D visual meter reading management system to realize water, electricity, heat meters in one for automatic meter reading, and connected to Honeywell's automated building management system;
*Dubai Electricity & Water Authority (DEWA) purchased 12,000 ultrasonic water meters from Shenitech in 2019.
8 Is your flow meter safe?
Yes, our products are safe and certified by international standards. We have been selling our products for more than 20 years and more than 40 countries have proved the long-term safety of our products.
9. Do your products have certificates?
Yes, we have CE, MID, NSF/ANSI, ISO9001:2015, OIML certificates in accordance with European, American and international market standards.