●High precision, High resolution, Durability complete self-contained data collection. ●10-year battery life engineering plastic body with double sealing ring. ●High data security time control recording and interval recording. ●Simultaneous recording of pressure and temperature data software-based atmospheric pressure compensation.

Model: SV40


SV40 Brochure


The SV40 is a very compact self-contained tide gauge that can accurately measure changes in temperature and pressure. The product has high precision, small size and buit-in battery power supply. It can be easily installed on various objects such as seabed, trestle bridge, dock, and anchorage. It is widely used in marine research, harbor, dam monitoring and other long-term underwater survey. The tide gauge does not need an external cable when measuring, and can be suspended by a safety cable. When the recorded data needs to be downloaded, it can be easily removed from the measuring point and download the data.


SV40 Depth range 10m standard(customizable)
Pressure accuracy ±0.2%FS
Resolution 0.001m
Temperature range -40℃~+120℃
Temperature accuracy ±0.05℃
Temperature resolution 0.001℃
Internal clock error 24h±1s
Stability ±0.1%FS/year
Weight (including battery) 365g
Frequency 1-5Hz
Sampling interval 1-180min
communication RS-232
Capacity 8M Flash
Withstand pressure depth 2 multiply depth range
Dimensions width:4cm; length:31cm
Power supply 3.6V Li-ion
Battery life 10 years

Note: all information above is subject to change without any prior notice.


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