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Product Description
AQUAlogger 520PTThe self-contained temperature and depth measuring instrument is used to measure the temperature and depth of water bodies. It has a small volume and light weight, making it an ideal choice for measuring water temperature and pressure. The instrument is compact in design and can detect temperature and pressure at a depth of 1000 meters underwater. The replaceable battery has a lifespan of up to 5 years
application area
Long term temperature observation of water bodies such as oceans, lakes, and reservoirs;
● Construct a temperature chain to measure the long-term temperature changes of each water layer, as well as observe the thermocline of the water body;
Observe the temperature profile of seawater, seabed mud temperature, seabed hot springs, thermal power plants, thermal power plants, etc., as well as the temperature changes of groundwater caused by external pollution;
Observe the water depth status of underwater equipment;
● Form a water depth observation chain for studying estuarine water exchange or ocean tides. Technical parameters for data acquisition
| Collect communication | Non contact communication through independent card readers |
| Read communication | USB 1.1 |
| Pulse interval | 1-255 seconds or 1-255 minutes; Multiple measurement results can be averaged |
| Pulse frequency | 1 Hz to 30 s/time |
| Memory type | Non volatile memory, data can be effectively stored for up to 10 years |
| Memory capacity | 512KB, capable of storing 250000 pieces of data |
| Continuous acquisition time | 5 years |
| Battery | 3.6V, AA type lithium battery (can be replaced by oneself) |
| Fixed method | There are hanging holes on the instrument, which can be fixed with ropes for use |
| Maximum working depth | 1000 meters, or twice the pressure range |
| size | Diameter 32 mm, length 200 mm |
| weight | 190g in air, 41g in water |
| Operating software | AQUAtalk， Instrument setup and data download |
Technical parameters of sensors
| sensor | Temperature sensor | Pressure sensor |
| type | Thermistor | Pressure resistance type (absolute pressure) |
| Measurement range | -2°～30℃ | 1.6, 4, 10, 16, 25, 40, 60, 100 bar |
| resolving power | 0.0015℃ | 0.005% |
| accuracy | ±0.05℃ | ±0.2％(FS) |
| response time | 5s | N/A |
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