OpTherma HYDRODIGIT-S1 — a digital single-jet water meter with integrated wM-Bus / LoRa wireless modules for remote reading, featuring an 8-digit display that rotates 360°.
Technical specifications
- Type: single-jet, 8-digit digital display
- Sizes: DN15 (½”) and DN20 (¾”), installation length 80 / 110 / 130 mm
- Flow Q₃: 2.5 m³/h (DN15) and 4 m³/h (DN20), class R160-VH
- Temperature range: cold water 0.1–50 °C, hot water 30–90 °C
- Body: brass with an inductive mechanism resistant to magnetic interference
- Battery life up to 10 years with depletion alert; IP68 protection
Communication & smart functions
- Integrated radio module: Wireless M-Bus (OMS) + LoRaWAN (EU863-870, Class A)
- Plug & Play — the radio starts automatically after 5 litres of water
- IR port (IEC 62056-21) for local connection to a PC
- Alarms: reverse flow, leaks, continuous operation at maximum flow, tampering
- Consumption log for the last 12 months; protection against magnetic tampering
Dalsia water meter models
- OpTherma HYDRODIGIT-S1 — digital single-jet with wM-Bus / LoRa modules
- Siemens WF — digital single-jet with Wireless M-Bus remote reading
- OpTherma GSD-RFM — dry-type single-jet, ready for a radio-reading module
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