... ): 999999.99 liters, kg, Pound, Gallon and etc.4, The ambient temperature: -35 ~ +50°C 5, Traffic signals: Pulse (contact switch ... ~ 20mA 7, Communication functions: support RS485, HART, MODBUS, OMROM / PLC, Modem, Profibus and etc. 8, Showed forms: LCD (Feeding quantity: L ...