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miniCTD Profiler

The miniCTD has been developed to provide a cost-effective tool for the collection of CTD Profiles, without compromising the quality of the data.

Ideally suited to ROV, coastal, or small boat applications, the miniCTD will appeal to survey companies and academia alike, being both simple to use and easy to handle.

Support

miniCTD Datasheet
Download
miniCTD Operating Manual
Download
DataLog X2 Operating Manual
Download
Duracell Alkaline C cell (MN1400) MSDS
Download

Software

DataLog X2
Download

Technical Specifications

Sensors

The miniCTD is fitted with Valeport’s unique digital, high stability conductivity
sensor, a PRT temperature sensor, and strain gauge pressure transducer. In
addition to the measured parameters listed, Salinity and Density values are also
calculated by the software.

Conductivity
Range: 0 - 80 mS/cm
Resolution: 0.001mS/cm
Accuracy: ±0.01mS/cm
Temperature
Range: -5°C to +35°C
Resolution: 0.001°C
Accuracy: ±0.01°C
Pressure
Range: 5, 10, 30, 50, 100, 300 or 600 Bar
Resolution: 0.001% range
Accuracy: ±0.05% range

Data Acquisition

Features a selection of pre-programmed sampling regimes, cov ering
many standard applications. Data may be sampled from 1 to 8Hz,
making it suitable for rapid profiling or for continuous measurement at a
fixed point

Sampling Modes

Continuous:
Regular output from all sensors at 1, 2, 4 or 8Hz.
Profile:
Logs data as the device falls (or rises) by a defined amount
through the water column.

Communications

operates autonomously, with setup and data extraction performed by direct
communications with PC. Also operates in real time, with a choice of
communication protocols fitted as standard and selected by pin choice on the
output connector:

RS232
Up to 200m cable, direct to serial port
RS485
Up to 1000m cable
Baud Rate:
38400 - 460800
Protocol:
8 data bits, 1 stop bit, No parity, No flow control
Bluetooth:
Bluetooth logger and communication set are available for cable
free data recovery (500m rated)

Memory

Fitted with a solid-state, non-volatile Flash memory, storing over 10 million lines of
data (equivalent to 10,000 profiles to 500m at 1m profile resolution).

Electrical

Internal:
1x C cell, 1.5V alkaline or 3.6V lithium
External:
9 – 28V DC
Power:
<250mW
Battery Life:
~30 hrs (alkaline) | ~90 hrs (lithium)
Connector:
SubConn MCBH10F

Physical

Materials:
Acetal or Titanium housing (as ordered),
Polyurethane and ceramic sensor components
Stainless steel (316) deployment cage
Depth Rating:
500m (Acetal) and 6000m (Titanium)
Note: Maximum deployment depth may be limited by
transducer range
Instrument Size:
Main Housing 48mmØ
Sensor Body 54mmØ
Length 370mm (including connector)
Deployment Cage:
110mmØ x 450mm long
Weight:
1kg (Acetal)
1.8kg (Titanium)
Shipping:
51 x 42 x 27cm, 10kg

Ordering

0660003-XX
miniCTD Profiler in Acetal
Supplied with:
· Deployment frame
· Switch plug
· 3m comms lead
· DataLog x2 software,
· Manual and transit case
0660003BT-XX
miniCTD Profiler in Acetal
Supplied with:
· Bluetooth logger/communication set
· Deployment frame
· Switch plug
· DataLog x2 software
· Manual and transit case
Note:
XX denotes pressure transducer range
Select from 5,10, 30 or 50bar
0660004-XX
miniCTD Profiler in Titanium
Supplied with:
· Deployment frame
· Switch plug
· 3m comms lead
· DataLog x2 software
· Manual and transit case
Note:
XX denotes pressure transducer range
Select from 100, 300 or 600bar

Software

Supplied with DataLog x2 PC software, for instrument setup, data extraction
and display. DataLog Express is license free.

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