CTD and Multiparameter Instruments

The CTD is perhaps the most commonly used tool in an oceanographer's armoury, providing detailed profile and time series data on the measured parameters Conductivity, Temperature and Pressure, but more particularly the calculated values of Salinity, Density and Sound Velocity.

Valeport offers a selection of instruments, from simple plug on sensors for OEM applications through hand held systems and devices for long term monitoring at fixed sites, to multiparameter profiling systems for deep ocean applications.

All Valeport CTDs use our own inductive Conductivity sensors. Digital sampling techniques ensure high accuracy, and the unique construction gives sensor stability at any depth. Temperature is always measured with a fast response PRT (Platinum Resistance Thermometer), and instruments also use industry standard strain gauge or resonant quartz pressure sensors.

Contact our Sales team to discuss your CTD and Multiparameter Instrument requirements, and decide on the right instrument for the job.

MIDAS CTD Profiler

The MIDAS CTD (previously known as the Model 606) is Valeport's premier CTD Profiler. High accuracy sensors (including ±0.01% pressure) and robust titanium design allow reliable operation to 6000m depth, under the harshest conditions. It also features truly synchronised sampling to ensure that all sensors are sampled at exactly the same point during a profile. Primarily for use as a self recording profiler, the MIDAS CTD also has a range of communications options for real time use, and the low power consumption and large memory also make it suitable for longer term deployments. More Info

MIDAS CTD+ Multiparameter Profiler

The MIDAS CTD+ is a revolutionary Multiparameter CTD, with a wide choice of standard sensors. Featuring Valeport's latest 400 Series electronics, the CTD+ will sample all fitted sensors at exactly the same instant, at up to 8Hz. Advanced setup software allows a variety of sampling regimes including burst modes, delay starts, and conditional sampling. With up to 64Mbyte memory and internal battery pack, as well as a selection of real time output formats, the CTD+ is perfect for both profiling or fixed mooring applications. In addition, the CTD+ may be used with Valeport own water bottle carousel. More Info

MIDAS SVX2 Combined CTD/SVP

The MIDAS SVX2 is the latest version of Valeport's unique instrument. Recognising the conflict faced by users requiring the superior Sound Velocity data from an SVP, but still needing the Salinity and Density data from a CTD, the MIDAS SVX2 combines both technologies to give the best of both worlds. Now fitted with a 0.01% pressure sensor as standard, the SVX2 also uses synchronised sampling to ensure perfect profiles, and since the digital time of flight SV sensor is the most accurate in the world, it's also possible to compare the true sound velocity data with that generated by commonly used equations. More Info

miniCT Probe

The miniCT probe is Valeport latest direct reading Conductivity and Temperature sensor, featuring digital sampling techniques for improved performance, and high strength construction methods to ensure consistent performance and stability under extreme pressure. 500m acetal and 6000m titanium versions available, both with RS232 or addressable RS485 data outputs as standard. More Info

miniCTD Probe

The miniCTD is a new profiling CTD from Valeport, designed for short term or budget applications where sensor performance cannot be compromised. Utilising the same Conductivity and Temperature technology available on our larger instruments, the miniCTD runs on a single C cell, and is fitted with a large Flash memory to record several hundred profiles. Supplied with DataLog Express software, the device features a variety of pre-programmed sampling modes for easy setup and operation. Available in both 6000m titanium and 500m acetal versions. More Info

Monitor CTD Profiler

Based on the leading MIDAS CTD Profiler, the Monitor CTD offers excellent performance but in a smaller, lightweight package for shallow water applications. With internal battery pack and large memory, the Monitor CTD is suitable for both self recording operations down to 500m depth, and real time use with a choice of data output protocols. More Info

Monitor CTD+

The MONITOR CTD+ utilises the same accurate, robust sensors and synchronised sampling techniques as the MIDAS range, but packaged as a smaller, lightweight unit to suit small boat or shallow water applications. The addition of a an extra sensor makes the MONITOR CTD+ a versatile and cost effective tool for gathering profiles of CTD and one other parameter of either Turbidity, Dissolved Oxygen or Chorophyll. More Info

Valeport Ltd, St. Peter's Quay, Totnes, Devon, TQ9 5EW United Kingdom
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