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CTD Multi Parameter Temperature Salt Depth Meter
CTD Multi Parameter Temperature Salt Depth Meter
Product details
Product Description
Valeport has applied its unique publish processing technology on MIDAS CTD+, forming a multi parameter CTD that is essentially customized for each customer's needs. This instrument can accept any combination of industry standard sensors and provide calibration data under autonomous and real-time operation. There are shells made of titanium alloy or acetal for you to choose from, suitable for coastal or deepwater operations. The intuitive software allows users to perform simple or complex sampling systems.
sensor
The standard configuration of MIDAS CTD+includes CTD sensors, with additional sensors available for remote or bulkhead installation. CTD+can also be used with the Valeport water quality sampling system, please refer to the separate information manual for details
| sensor | type | Range | Accuracy | resolving power |
| conductivity | Induction slot | 0 – 80mS/cm | +/-0.01mS/cm | 0.002mS/cm |
| temperature | PRT | -5 to+35oC | +/-0.005oC | 0.002oC |
| pressure | Pressure resistance | Up to 600 bar | +/-0.01% | 0.001% |
| turbidity | Sea Point STM | 0 – 2000FTU | +/-2% | 0.002% |
| DO | Clark Battery | 0 – 16ml/l | +/-0.07ml/l | 0.017ml/l |
| pH | electrode | 1 – 13 | +/-0.05 | 0.01 |
| Oxidation-reduction | electrode | +/-1500mV | +/-1mV | 0.1mV |
| chlorophyll | Fluorescence meter | 0 – 150µg/l | ±0.03µg/l | 0.005% |
| PAR | LICOR | 10,000µmol/s/m² | +/-1% | 0.5µmol/s/m² |
Memory
MIDAS CTD+is equipped with a 16MB solid-state non-volatile FLASH memory. The total capacity depends on the sampling mode. Continuous and burst modes have a single timestamp at the beginning of the file. Trip mode (analysis) stores a timestamp for each reading. Each sample for each parameter uses 2 bytes, and the timestamp uses 7 bytes. An example is an instrument for measuring CTD and three other parameters.
Continuous:~1400000 data points
Analysis:>850000 data points (60 analysis data values up to 6000 meters).
Electric
Internal: 8 C-type, 1.5V alkaline or 3.6V lithium batteries
External: 9-30vDC
Power: 1.7W (sampling)< 1mW (sleep)
Battery life:>100 hours of operation (alkaline battery)>250 hours of operation (lithium battery)
Connector: Subconn MCBH10F
Physical characteristics
Material: Titanium alloy shell, polyurethane and acetal sensor components, stainless steel (316) cage
Depth rating: 6000m (titanium), 500m (formaldehyde)
Instrument size: 150mm diameter x 590mm length
Cage size: 210mm diameter x 660mm length
Weight (in cage): 20 kg (titanium), 12 kg (formaldehyde)
Shipping instructions: 82 x 62 x 36 cm, 38 kg (titanium), 30 kg (formaldehyde)
Software
The system comes with DataLog Pro software based on the Windows PC operating system, which is used for instrument settings, data extraction, and display.
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