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SBE 52-MP Moored Profiler CTD
The SBE 52-MP CTD sensor is intended for use as a modular component on moored profiling platforms in which a device travels vertically beneath a buoy, or a buoyant package is winched up and down from a bottom-mounted platform. It is an easy-to-use, light, and compact instrument, well suited to even the smallest vehicle. The 52-MP can be equipped with an SBE 43F Dissolved Oxygen sensor, but does not support other auxiliary sensors. It is externally powered, and temporarily stores data in memory while it is powered. The SBE 52-MP’s pump-controlled, TC-ducted flow minimizes salinity spiking, and its 1 Hz sampling provides good resolution of oceanographic structures and gradients on typical slow-moving packages of 20-50 cm/sec. Data are output in real-time in engineering units of mmho/cm, °C, decibars, ml/l, or raw hex or binary.
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Key Features
- Conductivity, Temperature, Pressure, and (optional) Oxygen at 1 Hz (1 sample/second) or polled sample acquisition. For 1 Hz sampling, SBE 52-MP stores data in memory and can also transmit in real-time. On command (typically at the end of eachprofile), data is uploaded to the moored profiler.
- Integral pump.
- RS-232 or logic-level (0-3.3 V) interface, small memory, no batteries— for use on vehicles that can supply power and acquire data.
- Unique flow path, pumping regimen, and expendable anti-foulant devices, for maximum bio-fouling protection.
- Pump-controlled, T-C ducted flow to minimize salinity spiking.
- 3/8-16 locator/mounting hole, to assist in mounting to a McLane MMP moored profiler.
- Depths to 600 or 7000 m.
- Seasoft© V2 Windows software package (setup and data display).
- Five-year limited warranty.
Parameters Measured
Specifications
| Specification | Value |
|---|---|
| Communication Options | Logic-level (0-3.3 V) Interface , RS-232 |
| Depth Rating (Meters) | 600m |
| Power Source | External |
| Housing Material Options | Titanium, Plastic |
| Onboard Memory | Yes |
| Connector | MCBH |
| Sampling Rate | 1 Hz (1 sample/sec) |
| Memory Capacity (Samples) | Static RAM stores up to 28,000 samples of C, T, P, & DO (if power removed, data in memory is lost) |
| Power Consumption | Input power: 3 Watts at 7-16 VDC (consult factory for voltage outside this range) Turn-on transient: 300 mA at 10V Sampling (includes pump): 62 mA at 10V |
| Accuracy | Conductivity ± 0.0003 S/m (± 0.003 mmho/cm) Temperature ± 0.002 °C Pressure ± 0.1% of full scale range Dissolved Oxygen (optional) ± 2% of saturation |
| Software | Seasoft© V2 |
| Resolution | Conductivity 0.00005 S/m (0.0005 mmho/cm) (most oceanic waters; 0.4 ppm in salinity) Temperature 0.001 °C Pressure 0.002% of full scale range Dissolved Oxygen (optional) 0.035% of saturation (0.003 ml/l at 0 °C & 35 PSU) |
| Biofouling Protection | Yes |
Accessories
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