6
If a tank contains a pump with a pipe diameter large enough for the sensor to enter it, it will be
necessary to suspend the probe slightly above the bottom of the tank. The same is true if the drain
pipe is large enough for the sensor to slip into it. The cable may be coiled up in large diameter coils
and secured with a fastener such as a plastic Tie Wrap or another appropriate cable fastener.
Whatever is used must be appropriate for the chemical in the tank. The coil can be carefully
compressed just enough to get through the bung opening. The cable must not be crimped.
Installation of the ST90
If you are installing both a Host and Client(s), install the Host first and then contact customer
support before you activate any Client device.
Without removing the ST90 electronics, carefully connect the battery cable to its mating
connector (see Figure 2).
At this point, the ST90 is in an active state. The Inventory Request Button (S1) remains active
in this state and can be used to request an inventory update at any time.
Upon plugging in the battery, the green LED on the circuit card should begin to flash.
Examine the LED sequence and verify proper communications with the SMARTank Data
Center.
Allow the ST90 to complete the communications process. This could take several minutes
and the LEDs will go dark when the process is complete. If the red LED lights, then an error
has occurred. See Host Operation section for error code definitions.
Install the Sensor.
Identify the appropriate 2” NPT or bung opening designated to receive the sensor assembly.
Ensure the sensor is properly rated to be installed in the storage vessel for the commodity
stored in the vessel. The cable must be long enough to reach the bottom of the tank.
Remove the bung opening plug or existing level gauge.
Carefully lower the sensor to the bottom of the tank and secure the excess cable, if
required. Do Not drop the sensor!
Verify the ST90 makes a proper seal in the bung opening. It is recommended to use Teflon
tape around the threads of the ST90.
Momentarily press the Inventory Request pushbutton (S1). This will initiate a new call
sequence. Verify the green LED pattern and let the ST90 electronics complete the call
sequence.
From an area known to be free of hazardous material, call SkyBitz Tank Monitoring
Customer Support or access the SMARTank web portal to verify the tank level and that the
initialization process has successfully completed. Have all applicable tank parameters and
desired call data so that Customer Support can verify the website is setup properly.
Confirm that the key calibration parameters are properly configured via the SMARTank web
portal and verify the tank level.
Outside the hazardous area call SKYBITZ TANK MONITORING Customer Support at 888-826-
5546 (option 3) or email TelemetrySupport@telular.com.
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General