- Sensor O-EXT measures temperature with external probes in outdoor (IP66-casing)
- Communication: wM-BUS EN 13757-3/4:2013, complies OMS 4.0.2
- Modes: custom ordered C, T, or S (standard T-mode)
- Measurement range: -40…+125 °C
- Up to 4 external 1-wire probes can be connected
- Transmission interval: custom ordered 300 s…1 h (standard 5 min)
- AES-128 encryption mode 5, profile A (key unique to each device)
- Power supply: battery 3.6 V Li-SOCI2
- Continuous battery level monitoring
- Battery lifetime up to 16 years at 25 °C with standard configuration
- Operating temperature: -40…85 °C
More metering devices on Lansen website [EN]
O-EXT datasheet [EN]
