Bulk Water Meters

ARAD Octave - Ultrasonic

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

With superior low flow measurement and batteries that last up to 15 years, the Octave is today’s best choice for bulk meters.


Elster H4000 Woltman

  • Multiple pulsed output for increased management information.

  • Extended low and high flow performance.

  • Suitable for forward and reverse flow metering.

  • ISO 4064 Class B specification for forward flow installations in the horizontal, vertical and inclined position.

  • ISO 4064 Class B specification for the reverse flow for sizes up to 150mm.

  • Robust shroud and copper can register for long life and readability.

  • Use of an in-line strainer to protect the rotor.

  • Maximum working temperature of 50ºC.

  • Maximum working pressure of 16 bar.

ARAD Woltman Silver Turbo ( WST )

  • The WSTsb has wide measuring rate that enables to serve in broaden applications and in extreme situations (low flows an high flows)

  • No sensitivity to working conditions like vibrations

  • No sensitivity to humidity conditions (even if dry chamber is full of water)

  • Resistance - Bearings and materials used in the WSTsb have been proved to ensure long life expectancy

Zenner Woltman Hot Water Meter

  • Low start

  • Good overload protection

  • Large measurement range

  • Removable measurement insert

  • Low loss of pressure

  • Hydraulic bearing pressure discharge for durable measurement stability

  • Retrofittable with passive pulsers

  • Protective metal cover as standard, plastic optional

  • Flood-proof (IP68) hermetically sealed glass/copper register

  • Dry dial counter with large indicator wheels makes reading easier

  • Water meter for hot sanitary water up to 90°C

  • Water meter for horizontal, vertical and angled installation positions

ARAD WST - Pulse Kit

Pulse Kit includes:


1 x Register with pulse

1 x Pulse Lead


Add -10 to the part number to request 1 pulse per 10L

Add -100 for 1 pulse per 100L

Add - 1000 for 1 pulse per Kilolitre

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