Digital radio water meter

NEW

Siemens WF

Digital water meter with remote reading (Wireless M‑Bus)

Type: compact electronic single-jet water meters, suitable for cold (WFK636) and hot water (WFW636)

Maximum flow rate (Q₃): 2.5m³/h or 4m³/h, depending on installation and model.

Installation lengths: 80mm, 110mm or 130mm — with G¾″ (2.5m³/h) or G1″ (4m³/h) thread.

Temperature range: up to 30°C for WFK636 and up to 90°C for WFW636

Mounting position: horizontal or vertical.

up to 10 years

IP68 / IP65Suitable for outdoor installation

Description

Basic functions

Two communication modes:
S‑mode: AAMR telegrams every 4 hours, walk-by every 128 seconds (8am–6pm).
C‑mode: OMS compatible, AMR every 7.5h, walk-by every 112s
IrDA interface for easy programming and configuration (mode change, alarms, dates).
Self-diagnosis: leak detection, reverse flow, reports errors on the display and via RF.
LCD display with 8-digit counter and daily consumption recording.
Dry-rotor design – durable and accurate measuring mechanism with magnetic protection and low resistance.
Durable housing and electronics – IP65/68 for outdoor installation, no power supply required.
Compact dimensions and easy installation – screw connection, easy replacement, mounting interface with seals.

User benefits

Smart monitoring: built-in Wireless M‑Bus facilitates remote reading without the expense of a wired infrastructure.
Flexible choice: different models for cold and hot water, with different flow rates and installation lengths.
Long-term use: battery life of up to 11 years, self-diagnosis and leak notifications.
Easy integration into AMR, OMS, ERP and IoT systems via IrDA and RF interfaces.
Reliability: entirely made in Germany, with guarantees that meet European standards (MID, EN13757, EN14154).

Технически детайлиТехнически детайли

Type: compact electronic single-jet water meters, suitable for cold water (WFK636) and hot water (WFW636)

Maximum flow rate (Q₃): 2.5 m³/h or 4 m³/h, depending on installation and model

Installation lengths: 80 mm, 110 mm, or 130 mm — with G ¾″ thread (2.5 m³/h) or G 1″ thread (4 m³/h)

Operating temperature: up to 30 °C for WFK636 and up to 90 °C for WFW636

Communication: built-in Wireless M-Bus, S-mode (AMR + walk-by) and C-mode (OMS + walk-by)

Battery: 3 V lithium, lifetime up to 11 years

Protection class: IP65 / IP68, suitable for outdoor installation

Mounting position: horizontal or vertical

Metrological class: R80 (horizontal) / R40–R50 (vertical)

Additional functions: reverse flow detection, leak alarm (>4–5 l/h), consumption logs and readout timestamps

PRODUCTS

Single-jet digital water meter with 8-digit display with integrated wireless transmission modules wM-Bus / LoRa

Single-jet dry water meter, prepared for installation of a radio reading module

Siemens single-jet digital water meter with wireless M‑Bus radio reading

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