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MIDAS CTD Profiler

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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

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.

The unit is fitted with the following sensors:
Conductivity
Type: Valeport inductive coils
Range: 0 - 80mS/cm
Accuracy: ± 0.01mS/cm
Resolution: 0.002mS/cm

Pressure
Type: Temperature Compensated Piezo-Resistive Sensor
Range: 600Bar absolute (approx 6000m water depth) standard. Others available.
Precision: ± 0.01% Full scale (±0.6m with a 600Bar sensor)
Resolution: 0.001% Full scale (0.06m with a 600 Bar sensor)

Temperature
Type: Fast response PRT
Range: -5 to +35°C
Accuracy: ± 0.01°C
Resolution: 0.002°C

Ordering Information:
0606001 MIDAS CTD Profiler, 16Mbyte RAM, fitted with pressure balanced conductivity sensor, 0.01% FS pressure sensor (3000 and 6000 decibar) and fast response PRT temperature sensor. Supplied with deployment frame, Subcon switch plug, DataLog Express Windows software package, 3m “Y” lead (probe to PC and power supply), RS232/USB adaptor, tool kit, operating manual and system transit case.

Options
0400002 16 Mbyte memory upgrade chip. Max 64 Mbyte

Direct Reading Communications Options
0400005 FSK communications option, for use with up to 6000m cable. Comprises additional pcb inside instrument & surface adaptor unit with interface to PC and external DC power.
04000542 USB to RS485 adaptor package c/w USB - RS485 isolated converter and advanced Y lead.
0400EA11 Pigtail 50cm – Male Line 10 pin Subconn with sleeve, for connection to instrument. (Subconn parts MCIL10M and NSW DLSA-M)
0400EA12 Pigtail 50cm – Female Line 10 pin Subconn with sleeve, for connection to comms lead. (Subconn parts MCIL10F and NSW DLSA-F)
0400EA50CD 50m Signal cable on hand reel. Fitted with Subconn 10 way connectors.
0400EA100CD 100m Signal cable on hand reel. Fitted with Subconn 10 way connectors.
0400EA200CD 200m Signal cable on hand reel. Fitted with Subconn 10 way connectors.

Components and Spares
0400EA4 3m "Y" lead, instrument to PC/ power supply (Subconn type).
0400EA3 Subconn switch cap assembly
0400038S Set of tools & spare o-rings for MIDAS CTD / SVP
TCA1700 Transit case for MIDAS CTD / SVP
0400EA13 Titanium Subconn bulkhead connector with sleeve for instrument. (Subconn parts MCBH10F & NSW DLSA-F. Specify Titanium)
0400EA18 Brass Subconn bulkhead connector with sleeve for cable reel. (Subconn parts MCBH10F & NSW DLSA-F. Specify Brass)
0400EA14 Subconn line connector kit, for signal cable or Y lead. (Subconn parts MCOM10M, NSW DLSA-M & OMBA. Requires polyurethane potting compound).
0400SA2 Stainless steel cage assembly for MIDAS CTD / SVP
0400SA3 Suspension strop assembly
0400037 Spare titanium screws for body (M5 x 20 socket cap head), price each