Octave Ultrasonic Bulk Meter

A new revolutionary, precise and super reliable ultrasonic bulk water meter.

With superior hydraulic and batteries that last more than 10 years, the Octave is today’s best choice for bulk meters.


Utilities, Waterworks, industrial and agricultural applications

Available Sizes

  • DN50-DN300 (2”-12”) with cast iron body

also available: 

  • DN40 and DN50 (1½”-2”) with polymer body
  • DN50- DN200 (2”-8”) with stainless steel body


Cast Iron (epoxy coated)


  • MID 204/22/EC (based on OIML R49 EN 14154 and ISO 4064:2005)
  • AWWA C750
  • WRAS
  • ACS
  • NSF

Octave Features:

  • Dual beam ultrasonic technology for precise and ultra reliable metering
  • No moving parts
  • Excellent long-term stability and reliability
  • Battery powered -10 years life expectancy
  • Rugged mechanical design - Submersible (IP68)
  • Extremely sensitive and accurate in low flows
  • Bi-directional - including bi-directional outputs
  • Flexible data formats including flow directions, flow rates, volumes and leak detection
  • Alerts and statistics features
  • AMR and cellular networks ready
  • Dual line LCD
  • Programmable Display (units and outputs resolution)
  • EMI / RFI Protection

Technical Specifications:

Working Pressure: 16 bar

Liquid Temperature: 0.1 up to 50°C

Metrological Characteristics: ISO 4064:2005, Accuracy class 2

Body Material: Cast Iron- epoxy coated

Configuration: Compact - The display is built in to the unit

Power Source: 2 D size Li-battery: 10 years life time

Environmental Protection: IP 68, Ambient operation temp. -25°C up to +55°C

Display Units: Multi line 9 digit LC display ( Flow rate and volumeunits are programable)

Volume Display Options

1. Net (Forward less reverse)
2. Forward only
3. Forward and reverse alternating

Outputs (optional)

4-20 mA (powered loop)
Dual digital pulses process (open collector)
Dry Contact
Encoder output

Coupling Threads(only 2") BSP, NPSM


Flanges according to ISO, BS 10, ANSI 150

Severity levels

Environmental calss C, Mechanical class M1
Electromagnetic environment class E1

Pressure loss ∆P 16

We'll be in touch shortly.

Phone: 780-436-5894 or email merrill@carlyleandcompany.ca