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GE AT600 Ultrasonic Flow Meter Specifications: High-Precision Transit-Time Sizing for Clean Liquids
Quick Answer: The GE AT600 ultrasonic flow meter uses clamp-on transit-time technology for clean liquid measurement. The meter delivers high precision flow data from DN15 up to large pipelines, with typical accuracy of 0.5 to 1 percent of reading after proper installation. Use this guide to check sizing inputs, outputs, and application fit before you request a quote.
The GE AT600 is designed for clean liquids with low solids and low gas content. In practice, suspended solids should stay below 100 ppm and entrained gas below 1 percent by volume. This keeps the ultrasonic signal stable. Water, demineralized water, raw water, and many light chemicals work well. Heavy slurries or liquids with large bubbles do not.
Flow velocity range is 0.03 m/s to 12 m/s. Pipe diameter coverage depends on transducer type. Most standard clamp-on transducers handle DN15 to DN5000. Accuracy after field calibration is usually 0.5 percent to 1 percent of reading. Repeatability is often around 0.2 percent. The transmitter accepts 100 to 240 V AC or 9 to 36 V DC. Standard outputs include 4-20 mA, HART, pulse, and Modbus RTU. Process temperature for standard clamp-on transducers ranges from -40 °C to 150 °C. High-temperature versions are available on request. Always confirm the final datasheet for your specific transducer and transmitter before making a purchase decision.
Why Transit-Time Sizing Starts With Pipe Data
Here is the thing. Sizing is not just about flow rate. You need pipe outside diameter, wall thickness, pipe material, and liner if present. These values change the acoustic path. For clean water at 20 °C the sound speed is about 1482 m/s. The GE AT600 uses the measured transit-time difference between upstream and downstream signals.
Flow range matters at low flow. For a DN50 pipe a velocity of 0.03 m/s equals about 0.2 m³/h. For a DN200 pipe the same velocity equals about 3.4 m³/h. Below this range you can expect zero drift. For batching or dosing service, verify the minimum flow before you buy.
Clean Liquid Applications That Fit the AT600
In desalination plants in the Middle East, the GE AT600 is often used as a seawater flow meter for desalination plant retrofit work on permeate and brine lines. The clamp-on design avoids cutting high-alloy or lined pipe. No pipe cutting is a major advantage during brownfield projects. A paint manufacturer in Southeast Asia applied the meter on solvent transfer lines. A dairy in Oceania used the AT600 on clean water and CIP return lines. Marine operators in Latin America use clamp-on installation for ballast water measurement. These are the same profile: clean liquid, stable pressure, low aeration.
HVAC chilled water and hot water systems also match. Chemical plants use the AT600 on clean solvents, acids, and caustic after filtration. Food and beverage plants use the meter for water, syrup, and clean-in-place flows. The common rule is simple. If the liquid is transparent to ultrasonic signals and has low solids
Installation Details That Affect Accuracy
Straight run is critical. Use 10D upstream and 5D downstream as a minimum. Avoid installing near pumps, valves, elbows, or tees. The pipe surface must be clean. Remove paint, rust, and scale before mounting transducers. Apply coupling compound evenly. For vertical pipes, mount transducers on a horizontal run to reduce air pockets.
In practice, we have seen many customer sites where zero instability came from a bad transducer placement. A customer in Vietnam moved the transducers 12 pipe diameters away from a pump and the measurement settled within one hour. This kind of site detail matters more than the flow meter model.
GE AT600 vs Standard Clamp-On Flow Meters
Standard clamp-on meters can struggle below 0.1 m/s. The GE AT600 keeps a usable signal down to 0.03 m/s when the flow profile is fully developed. The difference shows up in batching, dosing, and leak detection. The GE AT600 also includes HART output as a standard option. Many low-cost clamp-on meters only offer pulse or 4-20 mA. HART gives you remote diagnostics and easier calibration records.
The AT600 is not the right choice for sludge, raw sewage, or high solids. For those services, an electromagnetic flow meter or a Doppler ultrasonic meter works better. Silver Automation Instruments can advise on that separation.
FAQ
What pipe sizes does the GE AT600 support?
Standard clamp-on transducers typically cover DN15 to DN5000. The exact transducer model depends on pipe wall thickness and pipe material.
What types of liquid can the GE AT600 measure?
Clean liquids with low suspended solids and low gas content. Examples include water, demineralized water, clean chemicals, light solvents, and CIP return fluids. Avoid slurries and heavily aerated liquids.
What outputs does the AT600 provide?
The transmitter commonly offers 4-20 mA, HART, pulse, and Modbus RTU. Verify your control system input before ordering.
Can the AT600 be installed without stopping the process?
Yes. Clamp-on transducers mount on the outside of the pipe. No cutting, no welding, and no shutdown for installation.
How can I get a sizing check from Silver Instruments?
Send your pressure in bar, temperature in Celsius, pipe size in DN, and flow range in m³/h. The Silver Instruments team will reply with a GE AT600 recommendation and price indication.
Request a Quote for the GE AT600
Silver Automation Instruments serves industrial users and distributors in Southeast Asia, Oceania, Latin America, Africa, and the Middle East. We support OEM and distributor pricing for the GE AT600. We also supply ultrasonic flow meters, electromagnetic flow meters, vortex flow meters, Coriolis mass flow meters, oval gear flow meters, thermal mass flow meters, pressure transmitters, and paperless recorders. Send your inquiry to Tel: +86-25-68650347 or Whatsapp: +86-25-52155837. WeChat: +86 15365082610.
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