Multiparameter Probe CTD 115M

max. depth 500 m

The CTD 115M is a high quality, high accuracy online and memory multi parameter probe with max. 11 sensors for oceanographic and limnological measurement of physical, chemical and optical parameters for depth up to 500 m.

Standard version CTD 115M:

Conductivity (С)
Temperature (T)
Pressure (D)
+ 8 optional sensors

Additional sensors:

Oxygen
Turbidity
pH (also H2S-resistant)
Redox (OPR) also H2S-resistant
Fluorometer
Light irradiance (PAR)
Transmissiometer
Altimeter
H2S (hydrogen sulfid)
Currentmeter (with compass)

>> Show datasheet here

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SKU: 00002286 Categories: CTD Probes, Probes

Description

Multiparameter probe CTD 115M

The CTD 115M is a high quality, high accuracy online and memory multi parameter probe with max. 11 sensors for oceanographic and limnologic measurement of physical, chemical and optical parameters up to a depth of 500 m.

Data are stored in a standard flash memory card with a capacity limited to 128 Mbytes by the internal firmware. Up to 3 000 000 CTD data sets can be recorded on this memory. The actual number depends on the selected storage options and the number of sensors adapted to the probe.

The CTD 115M allows operation in different modes:

Continuous mode: each data set is stored.
Time mode: data sets are stored only at programmable intervals with several selectable schemes.
Pressure mode: data sets are stored at programmable depth stamps.
Online mode (RS-232).

The CTD 115M is equipped with a 16 channel data aquisition system with 16 bit resolution. A high long-term stability and automatic self-calibration of the analogue digital converter guarantees stable and precise CTD measurements for many years.

The supplied Standard Data Acquisition Software package “SST-SDA” includes the handling of the logging process and the display of online or recorded data with a shared graphic user interface. The “SST-SDA” is a part of our shipment.

The power supply of the probe is activated by touching a reed contact with a magnetic rod, LED displays power supply status and optical control of memory access.

Standard model CTD 115M:
Online probe for measurement of conductivity, pressure, temperature + 8 optional sensors

Included sensors:

Conductivity (С)
Temperature (T)
Pressure (D)

Additional sensors:

Oxygen
Turbidity
pH (also H2S-resistant)
Redox (OPR) also H2S-resistant
Fluorometer
Light irradiance(PAR)
Transmissiometer
Altimeter
H2S (hydrogen sulfid)
Currentmeter (with compass)

Calculated parameters:

salinity
sound velocity
Kappa 25 mS/cm
sigma

Main Features:

easy handling
up to 11 sensors
non-corrosive titanium housing (titanium)
depth range up to 500 m
control and operation of water samplers and plancton nets
SDA data acquisition software running under various versions of Microsoft Windows (a part of the shipment)
calculations according to UNESCO formulas

Additional information

Max. Depth	50 m, 100 m, 200 m, 500 m
Field of Application	Brackwater, Drinking water, Ground water, Fresh water, Salt water, Offshore
Measuring mode	Memory, Online
Special functions	probe with / for water sampler
Temperature PT100	From -2 – 36°C, From -2 – 60 °C
Conductivity	0 – 10 ms/cm, 0 – 70 ms/cm, 0 – 300 ms/cm
Turbidity	0 – 25 ftu/ntu, 0 – 125 ftu/ntu, 0 – 500 ftu/ntu, 0 – 4000 ftu/ntu
Oxygen	CLARK, Optical
pH	H2S resistant, Standard
Redox	H2S resistant, standard
Fluorometer	CDOM/FDOM, Chlorophyll A, Crude Oil, Fluorescein, Optical Brighteners, Phycocyanin, Phycoerythrin, PTSA, Refined Fuels, Rhodamine, Tryptophan
Light irradiance	BI QCP2300, BI QSP2200, Li-Cor 192SA, Li_Cor 193SA, Satlantic PAR
Special sensors	Acceleration, Altimeter, Bottom indicator, CO2, Compass, Current meter, H2S, Transmission

The data transfer and the power supply of the probes over longer cables is carried out when using multi-conductor cables (at least 4-wire) via a serial interface (RS-485) or when using a “single-conductor cable” (steel cable with internal conductor) via the FSK- Interface (Freqency Shift Keying).

For shorter cable lengths (up to 500 m) the RS-232 interface can be used. It is also used to configure and readout the data memory.

If the probe is equipped with a USB interface, it is recommended to read the stored data via this interface, since a shorter read-out time can be achieved. The cable length of the USB interface should not be longer than 5m.

The probes are provided with a program (SDA) for the configuration, readout of stored data, numerical and graphical representation of the data and storage of data for all probes in online or memory mode.

Power: 9…30V DC
Power consumption: approx. 0,5 W (sensor-dependent)
Serial port: RS-232 (optional FSK)
Port specifications : 2400,o,8,1
Data transmission : 5 CTD sets/s
Connector: SUBCONN MCBH8M Ti

Material:

Housing: titanium, grade 2
Connector: titanium, neoprene

Dimensions and Weights

Length (housing): 410 mm
Length (protection frame): 114 mm
Length (overall with connector): approx. 680 mm
Weight (in air): approx. 9 kg

Robust plastic case
CTD115M
Probe user manual
Software manual SST-SDA
Calibration documents
Software
Shackle
Batteries
Hexagon key with t-shaped plastic handle
Dummy cap with locking sleeve
Configuration cable (5m)
USB cable
Magnetic rod
RS232 to USB converter
O-rings
Titanium screws
Silicon grease
Quick start guide

We offer calibration of several probes and sensors

Pressure (dead weight tester)
Temperature: Millikelvin Thermometer Pt 100 (ITS 90, IEC 751)
Conductivity: Salinometer, Guildline Autosal 8400B / Portasal 8410A (standard sea water)
pH / Redox (buffer solutions)
Oxygen