•   Pulse value 1 litre (factory setting); adjustable from 1 to 1000 litres
•   Power supply max. 1.5 mA (standard load)
•   Holding battery Li battery 3 V, 6 years autonomy + 4 years reserve
•   Pulse output (galvanic isolation with M-Bus) Open Collector, compatible according to DIN 43864
•   Reverse detection Yes, with compensation
•   Max. switching power 27 VAC, 27 mA
•   Pulse duration 50 ms
•   M-Bus data interface according to EN 13757 (EN 1434-3), 300/2400 baud
•   Addressing Primary address 0 – 250 / 8-character secondary address / Extended secondary address with manufacturer ID
•   M-Bus data reading Telegram 1 (FCB:0) Current meter reading status, reading date, next reading day, reading value, identification number
•   M-Bus data record Telegram 2 (FCB:1) included as telegram 1, value from the previous 12 months
•   Parameter setting protocol Manufacturing number, fluid, pulse value, primary address, meter reading, date, time, reading date, reading date, meter reading date
•   Meter reading 0 m³; format: 00000,000 m³; free choice of value
•   Fluid Water: Cold water, hot water configurable
•   Statement date 31.12*, free choice
•   AMBUS® WIN II configuration software
•   Protection type IP 68
•   Ambient temperature, operation 0° C to 50° C
•   Ambient temperature, storage – 20° C to 60° C
•   Ambient humidity Up to 98% relative humidity, permissible condensation
•   Connection cable Length 1.5 m, fixed connection, 4 x 0.14 mm² with end caps
•   M-Bus connection: white/black
•   Pulse: brown (+) / blue (-)