What is depth testing?

Water depth measurement is the process of measuring and monitoring the depth of water. It is carried out using a water depth meter, which allows the user to collect large amounts of data with minimal time and effort. A water depth sensor with data logging capacities can collect data over time, reducing the need for multiple site visits.

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When to use Aquaread’s depth meter

Our multiparameter water depth measuring equipment is designed to take multiple measurements at the same time, which is time-efficient and ensures that all readings are taken from the same location. When testing various water quality parameters it might be necessary to take measurements at various depths. This is where having an inbuilt depth meter is invaluable. Water depth meters may also be required when testing for parameters such as dissolved oxygen, which change with depth. The depth sensor within the Aquaprobe can also be used to monitor small changes in the water level. You can do this by zeroing the depth reading once the probe is fixed in place. The sensor will then detect small changes in the water level and record them as a positive or negative change.

Aquaread’s depth testing equipment

Depth is an optional parameter on the Aquaprobe AP-2000, but it comes as standard on the AP-5000 and AP-7000 Aquaprobes. The depth meter uses a pressure based water depth sensor mounted inside the body of the probe; the datum on the probe is the top row of holes on the probe sleeve. The depth of water is calculated using the measurements of barometric pressure, taken from the Aquameter, and water pressure, taken from the Aquaprobe. The figure for barometric pressure is subtracted from the figure for water pressure. This pressure differential is directly proportional to depth, once it has been corrected for temperature and salinity.

The aquaprobe AP2000

AP-2000 

The GPS aquameter

The GPS Aquameter

aquaprobe_AP7000_2

AP-7000

Measurement range

Aquaread’s water depth meter measures depth in the range of 0- 60m for the AP-2000, and 0 – 100m for the AP-5000 and AP-7000 Aquaprobes, with a resolution of 0.01 and an accuracy +/- 1%. The water depth measure system uses the electrical conductivity sensor to detect when the probe has been placed in water. The water depth meter and equipment can be used to monitor changes in depth over time.

Operational range

The maximum testing depth for the AP-7000 is 100m, however the maximum testing depth of the AP-2000 and the AP-5000 is up to 200m. Both water depth sensors can test at 200m for a period of 24hrs. They can also test at a depth of 100m for a period of 1 week, and at a depth of 30m permanently.

Get into Monitoring with Aquaread

If you’d like any further information about water depth testing or water quality monitoring in general, please contact us. Click here to see our product range.

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