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Strap On Flow Meter Rental: Short-Term External Ultrasonic Liquid Sizers
Quick Answer: Silver Instruments rents strap on external ultrasonic liquid flow meters for short jobs. You can measure water, wastewater, chemicals, and other clean or lightly contaminated liquids from outside the pipe. Rental terms usually run from one week to three months. Send your pipe size, liquid type, pressure bar, temperature °C, and flow range to get a quote.
What Is a Strap On Flow Meter Rental
A strap on flow meter rental gives you a temporary clamp on ultrasonic meter that mounts outside the pipe. You do not cut the line. You do not stop the process. The transducers strap onto the outside wall with acoustic couplant. The meter reads flow by sending ultrasonic signals through the liquid.
We rent these meters to plants, contractors, and service teams that need flow data for audits, balancing, leak checks, or pump tests. Most sites use them for 1 to 8 weeks. Some long shutdowns run 3 months. The meter returns to us after the job.
When Short-Term Rental Beats Buying
Buying a clamp on meter makes sense for permanent measurement. Renting makes sense when the project has a clear end date. We have seen a water utility in Pahang, Malaysia rent two meters for a 12 day raw water abstraction audit. The cost was lower than buying and the data was enough for their report.
A food plant in Binh Duong, Vietnam used one rental meter to balance CIP return lines on 3 inch stainless pipe. A chemical distributor in Antofagasta, Chile compared the rental reading against a fixed magnetic flow meter for 4 days. In all these cases, the problem was temporary. So the purchase budget did not make sense.
External Ultrasonic Liquid Sizers Avoid Pipe Work
Here is the thing. External ultrasonic liquid sizers measure flow from the outside of the pipe. They work on metal and some plastic pipes. You need a straight run of 10 pipe diameters upstream and 5 diameters downstream for stable readings. The liquid should be reasonably clean. Small bubbles and light suspended solids are acceptable. Heavy slurry or thick grease may block the signal.
We cover pipe sizes from DN15 up to DN6000. The standard rental set handles DN25 to DN1200. Larger transducer sets cover DN1200 to DN2500. For pipes above DN2500, we usually check the pipe wall condition and liquid aeration before quoting.
Rental Models and What You Get
Silver Instruments rents the SUL-200 clamp on ultrasonic flow meter for most liquid jobs. It covers DN25 to DN1200, velocity 0.01 to 12 m/s, and accuracy within 1 percent of reading for DN50 and above. The unit has a 4-20 mA HART output, RS485 Modbus, and a built in data logger. Transducers are IP67 rated and work from -30 °C to 160 °C.
For hot water or high temperature process liquids, we recommend the SUL-300 with higher temperature transducers. It covers DN50 to DN2500 and handles surface temperatures up to 200 °C. Both models come in a portable case with mount
Typical Jobs We Support
Rental customers often use these meters for pump performance tests, cooling water balance, district heating audits, filter backwash checks, and temporary bypass measurement. In the oil and gas sector, a contractor in Nigeria used one unit to confirm water injection flow during a well service campaign. In Australia, a marine maintenance team checked engine cooling water flow on a vessel for 10 days.
These jobs share one thing. The pipe stays intact. The meter is installed in under one hour. The reading is available within minutes. Because there is no wetted part, the meter moves from one line to another without cleaning or purging.
Rental Process and What We Need From You
Send us your pressure (bar), temperature (°C), pipe size (DN), pipe material, wall thickness, liquid type, and flow range. We check the application and confirm the meter model. Rental includes a short setup guide and remote support by WhatsApp or WeChat. We can ship to Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
Call or message Silver Instruments for a rental quote. Tel: +86-135-1213-1526. WhatsApp: 86-135-12131526. WeChat: +86 13512131526. You can also visit our site flow-meter.com.au for product details.
Strap On Flow Meter Rental FAQ
What is the minimum rental period?
Most rentals start at one week. We do not charge a minimum of one month. For a 3 day site test, we can quote a custom rate. But the one week rate is often the most practical because shipping time is separate.
Can the meter measure wastewater or dirty liquids?
Lightly contaminated wastewater works when there are no heavy solids and the liquid is not full of gas bubbles. The external ultrasonic signal needs a continuous liquid path. For raw sewage with high solid content, we recommend a different technology. Send us your liquid details and we will tell you if this rental fits.
How long does installation take?
Most pipe installations take 20 to 45 minutes. Most engineers skip this part and then wonder why the reading drifts. The pipe surface must be clean. The installer cleans the pipe surface, applies acoustic couplant, and fixes the transducers with metal or ratchet straps. You do not need to cut pipe or shut down the line. A short straight run is the main requirement.
What accuracy can we expect on a short-term rental?
On a DN50 or larger pipe with a stable flow profile, the SUL-200 rental meter typically reads within 1 percent of actual flow. On smaller pipes or poor straight run, you may see 2 to 3 percent deviation. We can review your pipe drawing before shipping.
What data output does the rental meter provide?
The rental meter records flow rate, total flow, velocity, and signal strength. You can export data via USB or RS485 Modbus. The 4-20 mA HART output connects to your local panel or SCADA input. We include a quick guide for data export.