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Product range

Water meters — ultrasonic, multi-jet and Woltmann

From apartment sub-meters to bulk meters in distribution networks. Here you will find complete specifications for the entire water meter range.

Complete specifications
Ultrasonic

Ultrasonic meters for potable water

Static meters with no moving parts — high accuracy even at low flows, long service life and built-in communication.

Ultrasonic

Ultrimis

DN 15 to 50
  • Measures flow and volume up to 50 °C or 70 °C, full flow up to 16 bar (PN16)
  • E-display with IP68 rating
  • Can be installed in any orientation (H, V, H/V)
  • Requires no straight inlet/outlet sections (U0D0), filters or check valves
  • NFC and radio readout for modern communication solutions
Ultrimis
Ultrasonic

HYDRUS 2.0

MID-approved with a dynamic range up to R 800
  • IP68 — suitable for outdoor installations
  • Integrated radio communication based on Open Metering telegrams (OMS Generation 3 or 4, profile B)
  • Wired M-Bus/pulse, wireless M-Bus, or wireless M-Bus combined with a wired L-Bus/pulse interface
  • Display with error and alarm codes, including leak detection
  • Battery life of up to 16 years
  • U0/D0 — no need for straight settling sections
HYDRUS 2.0
Ultrasonic

sonico NANO

Best-in-class accuracy and repeatability up to R1000
  • Precise low-flow measurements and on-demand leak alerts — reduces non-revenue water
  • Accurate measurements in all directions and installation conditions — high installation flexibility lowers costs
  • Integrated LoRaWAN over wM-Bus dual mode and seamless data integration
  • Over-the-air (OTA) software updates for new features and a longer service life
  • Sustainable design with an extended product lifetime
sonico NANO
Ultrasonic

TOPAS SONIC

Static meter with no moving parts for smart metering
  • Free-flow technology: no reflectors in the pipe — no dirt adhesion, higher precision, lower pressure loss
  • LoRaWAN (LoRa Alliance-certified) and wireless M-Bus (OMS)
  • MultiCom: simultaneous LoRaWAN and wM-Bus for flexible rollouts
  • ParamApp: easy configuration and diagnostics in the field
  • A complete suite of event detection: leakage, pipe burst, overload, water temperature, reverse flow
  • IP68, service life of up to 16 years, tamper-proof design
TOPAS SONIC
Multi-jet

Multi-jet meters — multi-stream, with or without communication

Multi-jet

Elster M100i

Proven and popular multi-jet meter
  • Combines the best of traditional and new technology
  • eSens interface: transfers volume increments with 1-litre accuracy to any MDM system
  • Approved conText header ring
  • Outstanding performance with EEC type approval (MID) up to R160
Elster M100i
Multi-jet

MTKe — 868 MHz

Two communication technologies in one meter (dual mode)
  • Investment security: automatic fallback to wireless M-Bus if LoRaWAN cannot be reached
  • Utility grade: robust, hard-wearing materials with a brass housing — a recyclable product
  • Plug & play: fast installation with automatic radio activation, no programming
  • Range of up to several km (LoRaWAN) or several hundred metres (wM-Bus) depending on the environment
  • Integrated connectivity monitoring with automatic reconnection (LoRaWAN)
MTKe — 868 MHz
Multi-jet

MTKcoder MP compact

Mechanical roller register with 1-litre resolution
  • Efficient consumption monitoring in smart metering applications
  • Revolutionary multi-protocol interface: investment security through interoperability
  • Transmission of the actual meter reading: no data loss, guaranteed secure billing data
  • Battery-free register: no service-life limitation
  • Plug & play commissioning without programming
  • Low-flow measurement for greater cost efficiency
MTKcoder MP compact
Multi-jet

MTKcoder MP

Robust domestic water meter with a long service life
  • Standardised interface
  • Excellent measurement stability and reliability
  • Low-flow measurement
MTKcoder MP
Woltmann

Woltmann — bulk meters for large flows

Woltmann

MWN Nubis

Bulk water meter with a replaceable measuring insert
  • Insensitive to external magnetic fields in accordance with EN 14154-3
  • Low start flow and wide measuring range
  • Easy to read thanks to a freely adjustable, rotatable register dial
  • Option for electronic verification of the meter's metrological parameters
  • Replaceable measuring insert in a covered housing
MWN Nubis
Woltmann

H4000

For billing of cold water in distribution networks
  • Sizes 40–300 mm for flows of 0.35–2,000 m³/h
  • Multiple pulse outputs for enhanced operational information
  • Enhanced performance at both low and high flows, forward- and reverse-flow measurement
  • ISO 4064 class B for forward flow in horizontal, vertical and inclined installation — reverse flow up to 150 mm
  • Robust cover and register in a copper capsule for a long service life and readability
  • Built-in strainer protects the rotor — max 50 °C, max 16 bar
H4000
Woltmann

RUBIN SONIC

Static ultrasonic meter for smart metering
  • Free-flow technology without reflectors in the pipe
  • LoRaWAN (LoRa Alliance-certified), wireless M-Bus (OMS), M-Bus and pulse
  • MultiCom: simultaneous LoRaWAN and wM-Bus — pulse output always active
  • ParamApp for configuration and diagnostics in the field
  • Event detection: leakage, pipe burst, overload, water temperature, reverse flow
  • IP68, service life of up to 16 years, tamper-proof design
RUBIN SONIC
Woltmann

Meistream

Flexible installation without straight inlet/outlet sections
  • Universal mounting position — no straight flow section required upstream of the meter
  • Register rotatable through 355°
  • Max operating pressure PN 16 bar, temperature up to 50 °C
  • Hydrodynamically, radially and axially balanced rotor
  • Standard build lengths for WS and WP meters, powder coating for optimal corrosion protection
  • Flood-proof pulse register (IP68) with a port for Opto-OD pulses and preparation for HRI-Mei
Meistream
IMD

Apartment sub-meters

For individual metering and billing of cold and hot water in multi-dwelling buildings. Read more about IMD.

Hydrant

Standpipe meter

For temporary draw-off from fire hydrants — a complement to HYDRANTIQ.

Accessories

Fittings & accessories

Brackets, fittings, valves and spare parts for complete installations.