|Product literature - Brochure|
cell (patented) which can be cleaned in the field without the need for re-calibration. This unique quartz cell employs a large diameter (8 mm) and a short length (46mm) to guarantee self-flushing.
The OS304Plus does not require pumps or any other external device to flush the sensors, which minimizes its power consumption and allows the use in Arctica and Antarctica. The OS304Plus CTD standard interface is RS232C; other optional interfaces are: TTL, RS485 and wireless Bluetooth®.
The RS485 interface overcomes the RS232C limitation (max 200m cable). The OS304Plus communicates at a speed up to 115k2 bps, thus reducing data uploading time to a minimum. The OS304Plus can be manufactured with a 316 grade L stainless steel housing or a white POM housing or a titanium housing allowing deployment to depths of 1000 dbar or 2000 dbar or 7000 dbar respectively.
- 1 x size "AA" Lithium non rechargeable battery 3.6V, 2.4Ah
The freshwater properties like:
TDS (Total Dissolved Solids), Fresh Water Conductivity corrected at 20°C and 25°C are automatically calculated.
OPTIONAL SENSOR SPECIFICATIONS
The OS 304Plus CTD can be optionally equipped with the IDRONAUT Highly Accurate Precise (0.01%FS) pressure transducer, the IDRONAUT OEM Turbidity Meter and the IDONAUT dissolved oxygen sensor.
|Real-time and logging: |
Real time clock accuracy:
|8 Hz. |
RS232C, TTL (0..3.3VDC), RS485, wireless Bluetooth®.
38K4 bps (up to 115k2 bps).
2x size "AA" Alkaline 1.5V battery assembled in a single pack, 3.0V.
1x size "AA" Lithium not rechargeable battery, 3.6V, 2.4Ah.
45 mA @ 3.6V.
8 µA @ 3.6V.
Idronaut programmes operating under all Windows versions allow the operator to configure the OS304Plus data acquisition and logger functions and upload data from the memory. They are:
ITERM: Terminal emulation programme to easily communicate with the OS04Plus using the built-in operator interface and communication protocol. REDAS: Data processing and retrieval programme, which allows the display and plotting of conductivity, temperature, pressure and derived variables such as salinity, sound speed and water density, according to UNESCO formulas and recommendations. µREDAS: REDAS-5 customized for Windows mobiles running on PDA devices.
Housing: 1000 dbar 2000 dbar 7000 dbar
(AISI 316/black POM) (white POM) (Titanium GR2)
housing diameter 43 mm(upper cap: 48 mm) 75 mm 48 mm
total length 540 mm 580 mm 545 mm
in air 1.1 kg 2.2 kg 1.8 kg
in water 0.65 kg 0,5 kg 1.1 kg
It is also available a shorter AUV version (total length 435 mm for 1000 and 7000 dbar). Please contact Idronaut for further information.