AMI/AMR Smart Water Meter

Smart water meters are mainly used for monitoring of consumption and billing in residential buildings, commercial buildings and industrial compounds.

These water meters have different principles of measurement - using multiple or single jet streams to rotate a turbine, measuring a fix volume of water through a high precision rotating chamber etc. The sensor which is mounted on the analog register of a water meter produces a low level "Pulse" or high level "M-bus" output during operation which goes to a building management system where the meter reading can be monitored. These outputs can also be converted to "Modbus" outputs.

Types of

AMI/AMR smart water meter available:

Multi-jet turbine

Woltmann

Ultrasonic
Positive displacement 

Materials

available:

PPA

Cast iron

Bronze

DZR brass

Epoxy-coated

ductile iron

Sizes

available:

DN15 to DN300

Max operating

pressure

available:

Up to 16 bar

Max operating temperature

available:

Up to 130 °C

Nominal

flow rate

available:

1.5 to 2000 m3/hr

Connections

available:

Flanges PN10,

PN16

Threaded BSP

Suitable media

types:

Clean water

Water with particles

Output signal

types

available:

Pulse

M-Bus

Modbus RTU

Radiofrequency LoRaWAN

Sensor

Battery lifetime:

12 to 15 years

Data Logger

The data logger which is mounted on the analog register of a water meter produces a low level "Pulse" or high level ""M-bus"" output during operation which goes to a building management system where the meter reading can be monitored. These outputs can also be converted to "Modbus" outputs.

Types of data logger available:

M-Bus

Device capacity:

Connect up to

250 M-Bus devices

Power supply required:

110 to 250VAC,

47 – 63 Hz

Max power consumption:

100W

Baud rate:

300-9600 baud

Data file type:

csv, xlsx, xml

though

USB flash drive,

FTP server,

email

Terminals available:

3 x terminals for M-Bus, plug-in terminals for

floating contacts

and relay outputs

Oil Meter

Oil meters are used to measure heating fuel consumption by oil burners and propellant fuel consumption by motors and engines. During flow, a rotary piston mechanism (positive displacement) repeatedly counts the number of times the high precision measuring chamber rotates and discharges fluid, thus measuring the volumetric consumption.

Types of oil meter available:

Positive displacement 

Materials

available:

Brass

Ductile cast iron

Sizes

available:

DN15 to DN50

Max operating

pressure available:

16 bar

25 bar

40 bar

Max operating temperature

available:

130 °C

180 °C

Nominal flow

rate available:

0.4 to 20 m3/hr

Connections available:

Flanges PN16,

PN25, PN40

Threaded BSP

Suitable media

types:

Heating fuel

Naphtha

Lubricating liquids (oils)

Flow Meter

Flow meters are often used in industrial plants for monitoring and feedback of process controls. Different types of flow meters are used depending on application and media type.

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Paddlewheel flow meters have a free rotating impeller with magnets, perpendicular to the flow. The magnetic blades rotate past the sensor during flow to generate a frequency proportional to the flow rate.

For magnetic flow meters, a magnetic field is generated perpendicular to the moving fluid. When a conductive fluid flows through the magnetic field, it causes a voltage signal to be sensed by the electrodes on the flow tube wall. The faster the fluid moves, more voltage will be generated.

Ultrasonic flow meters use soundwaves to measure fluid flow. During flow, the flow rate is measured by the difference between the frequency of the transmitted ultrasonic wave and frequency of the reflected wave.

Types of

flow meter

available: Electromagnetic

Ultrasonic clamp-on Paddlewheel

Differential pressure

Variable area 

Materials

available:

PVC / PP

PVDC

Brass

Stainless-

steel 316

Cast acrylic

Polysulfone

Sizes

available:

DN6 to DN1350

Max operating

pressure

available:

10 to 16 bar

Max operating temperature

available:

-30°C to 150 °C

Flow velocity

range:

0.03 to 12 m/s

Connections available:

Flanges PN16,

Flanges class 150,

300, JIS 10k

Threaded BSP, NPT

Socket weld

Clamp-on

True union

Spigot / Groove

Suitable media

types:

Neutral,

solid free liquids Conductive fluids

Water

Clean water

Waste water

Corrosive fluids

Viscous fluids

Output signal

types available: Pulse

4-20mA

RS232

RS422

Modbus RTU

Power supply

required:

10 to 36 VDC

85 to

115,230 VAC

4 x 1.5 VDC

AA batteries

Lithium battery