INSTALLATION
Connecting External Power
The CT2X comes with two replaceable 1.5V AA internal batteries.
If auxiliary power is desired, you can use a 9–15 VDC supply that can provide 15 mA. Connect to Vaux+(pin 1 - white)
and Ground (pin 5 - blue) or contact Seametrics for auxiliary power supplies.
Connecting the CT2X to a Computer
Cabled sensors are terminated with a weather-resistant connector. Cableless sensors are terminated with a weather-
resistant connector that is inside a screw-cap. Connect the weather-resistant connector to your computer's USB port as
shown below.
Aqua4Plus 2.0 communicate with the sensor using the USB to RS485 adapter cable. This cable requires drivers to be
installed on your computer. If you are connected to the Internet when you first plug in the cable, it will normally obtain
and install the correct drivers automatically. If this does not happen, or if you do not have Internet connection, you can
use Aqua4Plus 2.0 to install the drivers.
Seametrics • 253.872.0284
USB to RS485
Adapter
Cableless
Configuration
Sensor
Connecting sensor to your computer using
Seametrics' USB to RS485 adapter.
USB Port
Cap
Sensor
PC or Laptop
Page 7
CT2X INSTRUCTIONS
seametrics.com
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