● A variety of wiring methods to achieve remote control, can feedback the valve switch status to the intelligent control unit to achieve real-time monitoring, battery power;
● Accurate pulse filtering and acquisition circuit and measurement algorithm, high precision;
● Stable, reliable, long-distance wireless data transmission;
● Ultra-low power design, average power consumption ≦ 25uA;
● Floating sealed ball valve, no drip;
● The power supply voltage detection function can pre-alarm when the battery energy is nearly exhausted;
● After the module starts, the anti-disconnection function;
● Two-way communication, real-time query of the data of the collection module;
● IP67 waterproof, flame retardant PC-ABS housing, compact size, long service life.
● Metering and transmitting operating voltage +3.1~+3.6VDC;
● Emission current≦ 90mA;
● The data duration of 1 launch ≦90ms, and the average launch interval time: 4h;
● Average operating current≦28uA;
Performance parameters
● Transmit power: 16dBm
● Viewing distance: ≧2000m
● Effective baud rate: 2400bps/38.4kbps
● Topology network: Multipoint to point
● Voltage: 3.1V~3.6V DC
● Emission current: <90mA
● Sleep current: <9uA
● Average operating current: <25uA
● Carrier frequency: 921.5MHz / 926.5MHz
● Channel: Single channel
● Communication mode: two-way
● Bandwidth: 50kHz/100k
● Working temperature: -20°C~+60°C
● Frequency stability: ±5ppm