The the UK Valeport TideMaster of tide gauges, oceanographic tide recorded instrument is a long-term or short-term real-time observation. Low power consumption of the system, a continuous duty cycle of up to 2 years, easy to install fixed in a variety of field monitoring platform and system integration, and with the tide data at remote and wind speed and direction monitoring extended functionality, is currently the most popular real-time tide observation equipment . Performance indicators: tide measuring range: 10m tidal measurement accuracy: ± 0.1% range meteorological sensors: Ultrasonic Wind logger meteorological measuring range :0-60m / s (wind speed), 0 to 359 ° meteorological measurements (wind direction) Accuracy: ± 2 % @ 12m / s, ± 3 ° @ 12m / s the 8Hz data sampling frequency, built-in 512M solid-state memory, LED numeric display unit optional standard Bluetooth communication module and 20-meter communication cable, standard self-contained / direct reading acquisition mode GSM or GPRS or wireless radio transmission modes are available