MEITRACK Ultrasonic Fuel Level Sensor User Guide
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Note:
4.
When the ambient temperature is 25°C, you are advised to finish the stir within 20 seconds.
5.
When the ambient temperature is more than 30°C, finish the stir as soon as possible. Because the higher the
temperature is, the shorter the solidification time is.
6.
When the ambient temperature is less than 0°C, you are advised to heat the probe (at around 20°C) before applying
AB glue to it.
4.3
Installing the Tracker
1)
Using RS232 standard interface. The device wiring diagram is as follows:
Note:
1. Both RS232 ports of T633L support the connection of ultrasonic fuel sensor, RS232-1 can be connected directly, RS232-2
needs to be connected with 4pin conversion 8pin cable.
2. T366 series and T399 series do not have 4pin RS232 interface, connecting sensor need to cut open the 4pin end of the
extension cable for the following connection.
T366/T399 cables
Extension cables
Red(connect to external power supply) Red
（
9~36VDC
）
Black GND
Black
Purple
（
RS232-TX
）
Blue
（
RS232-RX
）
Brown
（
RS232-RX
）
Yellow
（
RS232-TX
）
3. Whether the device supports ultrasonic fuel sensor and which ports support it,you can open the accessory interface of
