AquaDAT    Sensor Interface Block
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Data Acquisition Systems
Updated 1/5/2010
Analogue Signal - 8 Differential Inputs or 16 Single Ended Inputs
Options for SDI-12 or RS-485 digital networks
The AquaDAT  is a low cost, flexible analogue building block for the creation of data acquisition systems and to add sensor support to stand-alone data loggers. It is rugged in construction and is immersion-proof by design. The AquaDAT will operate with any other device supporting the SDI-12 or RS-485 digital network. The interface offers full support of for many different sensor inputs such as thermistors, strain gauges, load cells, thermocouples etc.
Media Converter
Q-LOG Data Recording
 and Display Software
8 Full Differential  / 16 Single Ended Inputs
 25 mV to 5V in 12 User Programmable Ranges
 Individual Channel Setup
 Options for SDI-12 / RS-485 digital port
 AC / DC sensor excitation
 Dual Polarity readings
 User Assigned Formulae
 Fully Programmable
 In-built Cold Junction Compensation
 Terminal Port Configuration - no driver software
Supports:   thermocouples, RTD,  Crack meters,
Current Loops ,  Strain Gauge ¼ to full bridge.
AquaDAT
AquaDAT
Expansion Port
SDI-12/RS-485 network
SDI-12 Data
+12V DC - SDI12 bus
0V-SDI12 bus
SDI-12 Data
0V-SDI12 bus
+12V DC - SDI12 bus
Simple PC Data Recording.
The image above shows a basic data acquisition system made up from of 4 x AquaDAT sensor interface units. The USBS12v1 media converter interfaces the sensor digital network directly to the PC.  Additional sensors can be added to suit many different applications.
Press image to get more details
Press image to get more details
Data Logger Example
The image opposite shows the AquaDAT connected to an AquaLOG data logger.
Additional sensors can be connected to the expansion hub and used within Q-LOG.
AquaLOG Data Recorder
AquaDAT Sensor Interface
SDI-12 or
RS-485 network