Wall mounted Ultrasonic Flow Meter

1) Wide measuring range from DN15mm to DN6000mm
2) Linearity: 0.5%, Repeatability: 0.2%, Accuracy:±1%
3) Non-contacting measuring and Easy to operate.
4) Adopt low voltage, multi-pulse technology to improve accuracy, useful life and reliability.
5) Powerful Recording Function, record the totalizer data of the last 64 days/64 monthes/5 years.
9) Patent balanced lower-voltage multi-pulse

Product Details

The AM-ULF-W wall mounted ultrasonic flow meter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type, which will provide benefits of non-fouling operation and easy installation.

Optional Ultrasonic Transducer

Type Model Size Working Temp
Tri-clamp TS-1 DN15~DN100 -30℃~90℃
TM-1 DN50~DN700 -30℃~90℃
TL-1 DN300~DN6000 -30℃~90℃
High temp


TS-1-HT DN15~DN100 -30℃~160℃
TM-1-HT DN50~DN700 -30℃~160℃
TL-1-HT DN300~DN6000 -30℃~160℃
Rail Type HS DN15~DN100 -30℃~90℃
HM DN50~DN300 -30℃~90℃
EB-1 DN30~DN700 -30℃~90℃
High temp

Rail type

HS-HT DN15~DN100 -30℃~160℃
HM-HT DN50~DN300 -30℃~160℃
EB-1-HT DN30~DN700 -30℃~160℃

Technical Specification

Items Specifications
Main unit Accuracy Better than ±1%
Repeatability Better than 0.2%
Principle Transit-time measuring principle


Display LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.
Output Analogue output: 4-20mA or 0-20mA current output.

Impedance 0∼1kW. Accuracy 0.1%.

OCT output: Frequency signal (1~9999HZ)
Relay output: over 20 source signal (no signal, reverse flow etc.)
RS485 serial port
  Input Three analogue input
Three-wire PT100 resistor input (optional)
Other functions Automatically record the totaliser data of the last 64 days / 64 months / 5 years;

The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation

The instrument working status of the last 64 days

pipe material Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Size 15-6000mm
Straight pipe section In the upstream it must be beyond 10D, in the downstream it must be beyond 5D, in the upstream the length must be beyond 30D from the access of the pump. (D stands for pipe diameter)
Liquid Types Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
Temperature Standard: -30˚C – 90˚C ,High-temperature:-30˚C – 160˚C
Turbidity Less than 10000ppm, with a little bubble
  Flow Direction Bi-directional measuring, net flow/heat measuring
Environment Temperature Main Unit: -30˚C – 80˚C
Transducer: -40℃ -110℃, Temperature transducer: select on enquiry
Humidity Main Unit: 85% RH
Transducer: water-immersible, water depth less than 3m
Cable Twisted Pair Line, standard length of 20m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement.

RS-485 interface, transmission distance up to 1000m

Power Supply AC220V or DC24V
Power Less than 1.5W
Protocols MODBUS, M-BUS, Fuji extended protocol and other factory protocol


The Wall mounted flow meter can be applied to a wide range of pipe flow measurements. Applicable liquids include pure liquids as well as liquid with small quantity of tiny particles.
Examples are:
★ Water (hot water, chilled water, city water, sea water, waste water, etc.);
★ Sewage with small particle content;
★ Oil (crude oil, lubricating oil, diesel oil, fuel oil, etc.);
★ Chemicals (alcohol, acids, etc.);
★ Plant effluent;
★ Beverage, liquid food;
★ Ultra-pure liquids;
★ Solvents and other liquids

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We will contact you within 1 working day, please pay attention to the email with the suffix “@aumeascon.com”