Water Meter ELECTO SJ - INTEGRATED RADIO MULTIPROTOCOL - DN20/R100/L130/T50
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Product code: 7740
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Maddalena ELECTO SJ Multi DN20 / R100 / L130 / T50 is an electronic single-jet cold-water meter with built-in Wireless M-Bus / OMS and LoRaWAN communication. The DN20 variant has an installation length of 130 mm and a nominal flow rate of Q3 = 4,0 m³/h, a maximum operating pressure of 16 bar, and a measuring range ratio of R100.
The electronic LCD register and storage for more than 11 000 historical values and automatic diagnostics enable monitoring of consumption, suspected leaks, excessive consumption, reverse flow, and tampering attempts. The Multiprotocol version allows both local Wireless M-Bus / OMS reading systems and permanent LoRaWAN-based remote monitoring infrastructure to be used.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
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ELECTO SJ Multi — Consumption Measurement and Automatic Remote Reading
Maddalena ELECTO SJ Multi is an electronic single-jet water meter combining precise water consumption measurement with integrated Wireless M-Bus / OMS and LoRaWAN communication.
The DN20 / R100 / L130 / T50 variant is designed for cold-water measurement. The electronic LCD register, local data storage, and integrated radio module enable automatic readings without physical access to the water meter.
Remote Reading, Diagnostics and Long-Term Operation
R100
The R100 measuring range ratio provides accurate measurement across a wide range of flow rates, including low water consumption.
wM-Bus + LoRaWAN
A single water meter can work with both local Wireless M-Bus / OMS infrastructure and a long-range LoRaWAN network.
Minimum 13 years
The manufacturer declares a minimum battery life of 13 years in the dual configuration, depending on communication settings.
Automatic Cold-Water Consumption Monitoring
Water Meter Designed for Cold Water
The T50 variant is designed to measure cold water at temperatures up to 50°C.
This is the main difference compared with the T30/90 variant, which is intended for installations where the measured water temperature can reach 90°C.
DN20, Q3 4,0 m³/h and R100 Measuring Range Ratio
Measuring Range Ratio Depending on Water Meter Orientation
The R100 variant achieves its nominal measuring range ratio in the horizontal mounting position specified by the manufacturer.
When the installation orientation changes, the available measuring range ratio is lower, so the water meter position should be considered when designing the installation.
Controlled Error Across the Entire Flow Range
U0-D0 Class Without Required Straight Pipe Sections
ELECTO SJ has a U0-D0 flow profile sensitivity class.
This means no additional metrologically required straight pipe sections are needed directly upstream or downstream of the water meter, simplifying installation in confined spaces.
Wireless M-Bus / OMS and LoRaWAN communication
Wireless M-Bus
It enables local and mobile water meter reading and cooperation with compatible concentrators.
OMS
OMS support improves interoperability with other automatic utility-reading infrastructure components.
LoRaWAN
LoRaWAN enables data transmission over longer distances to central IoT infrastructure and Smart Metering systems.
Mobile and Fixed System in One Device
The Multiprotocol version can support short- and long-range communication, allowing the reading method to be adapted to the facility's existing infrastructure.
This enables Wireless M-Bus to be used in a local reading system and LoRaWAN for continuous automatic data transmission.
More Than 11 000 Historical Values
The electronic register has storage capacity for more than 11 000 values, allowing water consumption to be analysed over a longer period.
Historical data can be used to analyse the consumption profile, support billing, and identify unusual changes in the installation.
Detection of Potential Installation Problems
IP68 and Indoor / Outdoor Applications
IP68
The rotatable electronic register has a high level of protection against water and environmental conditions.
UV Protection
The display and cover have UV protection, supporting outdoor applications.
Indoor / Outdoor
The Multiprotocol version is designed for both indoor and outdoor installations.
Minimum 13 Years of Operation in Dual Configuration
ELECTO SJ Multi has a built-in lithium battery and does not require wired power to be supplied to the measurement location.
The manufacturer declares a minimum battery life of 13 years in dual mode. Actual operating time depends on the selected communication configuration.
130 mm Installation Length
Key Parameters DN20 / R100 / L130 / T50
* Battery life depends on radio configuration, transmission frequency, and operating conditions.
ELECTO SJ Multi in a Remote Reading System
Multiprotocol communication enables local Wireless M-Bus reading and continuous transmission via LoRaWAN.
Water Meter ELECTO SJ - INTEGRATED RADIO MULTIPROTOCOL - DN20/R100/L130/T50
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Gross price $270.60incl. %s VATNet price $220.00without 23% VAT
