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Clamp-On Ultrasonic Flow Meter Manufacturers: Sourcing Global Brands
Quick Answer: Silver Automation Instruments is a direct manufacturer of clamp-on ultrasonic flow meters. Our transit-time models clamp onto pipes from DN15 to DN2000 and handle liquids with less than 2% solids. We ship to over 50 countries from Nanjing, China. For a quotation, send your pipe size, fluid, temperature, and required output (4-20 mA, pulse, RS485).
Why Process Engineers Choose Clamp-On Technology
Clamp-on ultrasonic flow meters use transit-time or Doppler measurement to read flow from outside the pipe. There is no need to cut the line or stop the process. This matters in chemical and water treatment plants where downtime costs can hit $2,000 per hour. A single technician can mount a pair of transducers in 30 minutes on a clean pipe surface. Typical accuracy stands at ±1% of reading for pipes DN25 and larger. For dirty liquids or slurries, Doppler models handle up to 10% solids. Silver Instruments supplies both transit-time and Doppler types. We also offer handheld portable units for periodic auditing.
What to Look for in a Manufacturer
Not every clamp-on ultrasonic flow meter factory meets industrial demands. Buyers should check the transducer temperature rating. Many Southeast Asian applications involve hot water at 120 °C or palm oil at 150 °C. Standard transducers work up to 80 °C. Silver Instruments offers high-temperature clamp-on sensors rated to 200 °C using PT100 input for energy calculation. Also verify if the transmitter supports 4-20 mA HART, Modbus RS485, or ATEX Zone 1 certification for oil and gas sites. The electronics housing should be IP67 or higher. We have seen cheap clones from non-specialist factories fail within six months on offshore platforms. Ask the manufacturer for a real calibration certificate traceable to ISO 17025, not just a factory test sheet.
Silver Automation Instruments: Global Sourcing Without Middlemen
Our factory is in Nanjing, China, with an in-house CNC machining line for transducers and flow tubes. We sell directly to end users and distributors in Australia, Vietnam, Indonesia, Nigeria, Mexico, and Saudi Arabia. Because we ship from our own workshop, we keep lead times to 5-10 working days for standard clamp-on flow meters. For specials like large pipe sizes above DN1000 or exotic materials, we quote within 48 hours. Many customers first find us on flow-meter.com.au and then send their specs. This direct model saves 20-40% compared to resellers of European brands. If your project requires a specific global brand (Endress+Hauser, Siemens, KROHNE), we can also integrate those into panels. But most users find our own Silver Instruments clamp-on meters perform equally well for less capital outlay.
Application Notes from Real Projects
A paint manufacturer in Vietnam needed to measure sol
Frequently Asked Questions
Q: Can a clamp-on ultrasonic meter work on concrete-lined or heavily corroded pipes?
A: For concrete-lined pipes, signal strength drops significantly. We usually recommend spool piece inline meters instead. Light surface rust or paint is fine if you prepare the area using gel couplant. Always share a photo of your pipe when requesting a quote.
Q: What is the minimum straight pipe run required?
A: We advise 10D upstream and 5D downstream for transit-time clamp-on meters. This means 10 times the pipe diameter before the sensor and 5 times after. For example, a DN100 pipe needs 1 meter of straight run upstream. In tight spaces, multi-path clamp-on configurations can reduce the requirement to 5D upstream.
Q: Do you sell portable clamp-on ultrasonic flow meters?
A: Yes, we offer a handheld model with built-in data logger. It comes with a rechargeable battery, transducer pairs for DN15 to DN600, and a carrying case. Many water utility teams in Southeast Asia use it for leak detection and pump efficiency tests.
Q: How do I get a price for a clamp-on flow meter for diesel or light oil?
A: Send us your pipe diameter (DN), fluid type, temperature, flow range (e.g., 10-200 L/min), and required output. We will return a quote including the meter, transducers, couplant, and shipping to your city. Contact Tel: +86-135-1213-1526 or WhatsApp: 86-135-12131526.
Q: Are your clamp-on meters certified for hazardous areas?
A: We offer ATEX Zone 1 and Zone 2 certifications for the transmitter. The transducers are intrinsically safe. Provide your zone classification and gas group when ordering.
Send Your Specs for a Same-Day Quotation
You can reach our application engineers directly. Tell us the pipe material, diameter, wall thickness, fluid, temperature, pressure, and flow range. We reply with a complete PDF offer within one business day. Call +86-135-1213-1526, message via WhatsApp 86-135-12131526, or connect on WeChat +86 13512131526. Most standard clamp-on ultrasonic flow meters ship within 10 days from our Nanjing warehouse to ports in Singapore, Sydney, Durban, and Panama.
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