MeiTrack A76-100 Manual de usuario
MEITRACK Ultrasonic Fuel Level Sensor User Guide
A76-100\A76-250\ASUF105 Ultrasonic Fuel
Level Sensor
User Guide
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 2 -
Change History
File Name
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Project
Creation Date
Update Date
2016-03-31
2022-09-14
Subproject
Accessory User Guide
Total Pages
18
Version
V2.1
Confidential
External Documentation
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 3 -
Contents
1 Copyright and Disclaimer...............................................................................................................................................................- 4 -
2 Product Functions and Specifications............................................................................................................................................- 4 -
2.1 Product Functions...............................................................................................................................................................- 4 -
2.2 Specifications......................................................................................................................................................................- 4 -
3 Accessories ....................................................................................................................................................................................- 5 -
4 Installation.....................................................................................................................................................................................- 6 -
4.1 WiFi tool (Optional Accessory) ...........................................................................................................................................- 6 -
4.2 Installing the Sensor ...........................................................................................................................................................- 6 -
4.3 Installing the Tracker.........................................................................................................................................................- 13 -
5 Configuring the Sensor ................................................................................................................................................................- 15 -
5.1 Configuring the Sensor by Meitrack Manager or MS03....................................................................................................- 15 -
6 Querying Reports.........................................................................................................................................................................- 17 -
6.1 Historical Data...................................................................................................................................................................- 17 -
6.2 Sensor Report ...................................................................................................................................................................- 17 -
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 4 -
1Copyright and Disclaimer
Copyright © 2022 MEITRACK. All rights reserved.
and are trademarks that belong to Meitrack Group.
The user manual may be changed without notice.
Without prior written consent of Meitrack Group, this user manual, or any part thereof, may not be reproduced for any
purpose whatsoever, or transmitted in any form, either electronically or mechanically, including photocopying and recording.
Meitrack Group shall not be liable for direct, indirect, special, incidental, or consequential damages (including but not limited to
economic losses, personal injuries, and loss of assets and property) caused by the use, inability, or illegality to use the product
or documentation.
2Product Functions and Specifications
2.1 Product Functions
Measure vehicle's fuel level.
Detect an alarm when the fuel level is too high.
Detect an alarm when the fuel level is too low.
Detect a fuel filling alarm and a fuel theft alarm.
2.2 Specifications
Item
Specifications
Operating voltage
9–36 V DC
Maximum power consumption
0.36 W/12 V DC
Operating temperature
-30°C to 80°C
Storage temperature
-40°C to 85°C
Operating humidity
5%–90%
Measurement range（(for 5mm
thick steel plate, in three models)
A76-100
Measurement range is 6~100cm
A76-250
Measurement range is 6~250cm
ASUF105
Measurement range is 6~400cm
Pressure range
≤0.8 kg or 0.8 MPa
Measurement accuracy
±0.5%
Measurement resolution
0.1 mm
Explosion proof rating
Intrinsic Safety Exia
Ⅱ
CT6; flameproof Exd
Ⅱ
CT5
Water resistance rating
IP67
Interface
RS232 or RS232+AD
Communication port parameters
Baud rate 115200 by default; no parity bit; 8 data bits; 1 stop bit; no flow
control
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 5 -
3Accessories
Standard accessories:
Standard Accessories
Quantity
Picture
Probe (integrated type)
1 pcs
Diameter: φ33 mm
Height: 12 mm
Wire length: 1m (including the connector)
Protective holder and ring gasket
1 pcs
Fuse
1 pcs
8m extension cable
1 pcs
Wire length: 8m (including the connector)
8 pin to 4 pin conversion cable
1 pcs
rubber pad and 2.5m length steel
clamp (Quantity is selected according
to installation requirements)
Sandpaper
1 pcs
Used to clean the bottom of the fuel tank.
Note: There are two ways to fix the sensor probe, 1. ring gasket + steel clamp, 2. strong magnetic holder + AB glue. the
standard for A76-100 and A76-250 is the first one, ASUF105 is the second one. If you choose A76 for fuel tanker, it is
recommended to use the second one, please consult the sales for such case.
Optional accessories:
Optional Accessories
Picture
AB glue (unable to go through logistics, so cannot
provide. Only for reference)
Couplant (unable to go through logistics, so cannot
provide. Only for reference)
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 6 -
WiFI tool
Note:
1. Because Couplant and AB glue are liquids, they cannot be transported by logistics.Please buy by yourself.
2. Couplant for medical use can be purchased at large pharmacies. If you can't get it, use toothpaste instead.
3. AB glue is available on websites such as amazon. The model is 3M DP110. As the following picture:
4Installation
4.1 WiFi tool (Optional Accessory)
This WiFI tool is used to find the probe installation location, need to bring your own power bank for power supply.
4.2 Installing the Sensor
1. Important note: Prior to the installation, keep the fuel tank at least half full and park the vehicle on level ground.
2. Knock the fuel tank to determine the fuel level.
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 7 -
When there is fuel in the fuel tank, you can hear a muffled sound.
When there is no fuel in the fuel tank, it sounds clear.
At the meantime, you can open the fuel tank and check the fuel level.
You can use any of the preceding ways to determine whether the fuel tank is half full and estimate the fuel level.
3. Know more information about probe installation.
When sticking the probe, keep it away from the fuel inlet and float. As shown in the following figure, the yellow area is
suitable to install the probe.
123
If the fuel tank is cylindrical, choose the area that is closest to the ground such as the section shown in the following
figure.
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 8 -
Clean up the dirt and oil stain in the probe installation area, and keep the area dry.
4. Configure the WiFi tool
1) Connect the sensor with WiFI tool first;
2) Connect the WiFi tool to power bank and power on.Once conncted,the red indicator light is on.
3) Turn on the list of available wireless networks on your mobile phone, select the network which start with USR-WIFI and
click connect. Once connected, the green indicator light is on.
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 9 -
4) Please scan the QR code with Android phone, download and install the APP.
A76-100\A76-250
ASUF105
Note: The WiFi tool is only used to locate the installation position and can be reused.
5. Locate the installation position
Clean up the couplant on the fuel tank and probe and keep the probe installation location dry. If the bottom of the fuel
tank is covered with paint, use the putty knife or screwdriver to scrape paint. Then use the sandpaper to polish the
installation location until the tank metal is exposed.
Put the couplant (pea size) on the surface of the senor (the side without the label).
Hold the sensor on the installation area, check the result on your phone. If the result is ok, make a circle mark with the
screwdriver. If not, try another position.
MEITRACK Ultrasonic Fuel Level Sensor User Guide
Copyright © 2022 Meitrack Group All rights reserved. - 10 -
WiFi Tool-APP results
Note: The sensor's sensitivity is high. Hold the probe steady because shaking will make data unstable. If an angle alarm is
generated, park the vehicle on level ground before installing the probe.
6. Install the sensor
After locate the installation position, please clear the testing couplant on the surface of fuel tank and sensor completely.
1) Install the A76-100 or A76-250
Install the protective holder:
Please make sure the center of the holder matches the marked round installation position, also the holder should be
parallel to the vehicle frame (chassis).
Fix the probe
Put the ring gasket on the surface of the sensor, then fill the measuring area with grease, make it a bit higher than the
ring gasket. There must be no air bubbles or dust or sand inside the grease. (If you don't have grease, please use
toothpaste instead.)
Este manual sirve para los siguientes modelos
2
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