Weighing for measuring weighing overloading
Portable axle load meter
(VI) Calibration and Commissioning
The instrument provides debugging methods for various models (models included in the instrument). Instrument debugging is accomplished in two steps:
Static calibration:The A, B, said plate being connected to the corresponding interface meter, the meter power switch is opened, warm up for 30 minutes, hold A, B, said non-load plate, static calibration procedure is as follows:
step
operating
Display content
Instructions
1
Press [Settings]
set up
1. Channel setting 2. Date time
3. Print settings 4. Upload records
5. Indexing 6. Calibration
7. Limits 8. Password settings
Enter the setting interface
2
Press [6]
Calibration
Please enter the password:
The system prompts for a password to prevent misoperation
3
After entering the password
Press [ Confirm]
Calibration
1.A board 2.B board
3. Reading coefficient
Enter the calibration interface
4
Press [1]
Calibration
* 1.A board 2.B board
3. Reading coefficient
Please enter the loading value:
Select the channel to be calibrated, the system prompts "please input the loading value". At this time, the corresponding weighing plate should be in the idle state.
5
Enter [1000]
Calibration
* 1.A board 2.B board
3. Reading coefficient
Please enter the loading value: 1000
Add the standard mass to the corresponding weigh plate, press the confirmation after the load is stable, and the screen momentarily displays OK.
The applied load is as close as possible to the maximum range
For example: load 1000kg weight
6
Press [ Confirm]
Calibration
* 1.A board 2.B board
3 reading coefficient OK
Add the standard mass to the corresponding weigh plate. After the load is stable, press OK. The screen momentarily shows OK.
7
Press [3]
Calibration
1.A board 2.B board
*3. Reading coefficient
A : 1000/1350 B: 1000/1350
7890 8580
The calibration results are read out and stored in the microcontroller.
Reading coefficient, can calculate range according to coefficient
8
B board calibration method is the same as A board
Dynamic correction:After the static calibration is completed, dynamic correction can be performed. Otherwise, the correction result is inaccurate. Dynamic correction provides two types of correction factors for each model:
1 vehicle correction factor;
This coefficient has a correction effect on the test result of the vehicle, that is, it has a correction effect on each axis of the vehicle.
2-axis correction factor
This coefficient only corrects this axis and does not contribute to other axes.
Both kinds of correction coefficients are in the form of percentages, and the denominator number is fixed. The user only needs to change the number of molecules; the number of molecules is greater than 100, the correction coefficient is greater than 1; the number of molecules is less than 100, and the correction coefficient is less than 1. Before the user corrects the vehicle, the corrected axle weight of the vehicle should be known. The following describes the correction process and method using the first vehicle in the bicycle as an example:
step
operating
Display content
Instructions
1
Press [Settings]
set up
1. Channel setting 2. Date time
3. Print settings 4. Upload records
5. Indexing 6. Calibration
7. Limits 8. Password settings
Enter the setting interface
2
[ Shift]+
[ Settings]
Repair
1. Cycling 2. Semi-mounted/Packed
3. 4 trailer. Default
Dynamic correction interface
3
Press [1]
Single vehicle
01
Select a bicycle to enter the bicycle interface
4
Press [UP] or [DOWN]
Single vehicle
01
Select modified model
5
Press [ Confirm]
Single vehicle
01
0th axis
Enter the vehicle modification interface, press [DOWN] or [UP] to select the vehicle or axis correction factor, the 0th axis represents the vehicle correction coefficient, and the X-axis represents the X-axis correction factor.
6
When the 0th axis is displayed, press [ Confirm]
Single vehicle
01
0th axis
Number of molecules:
Denominator: 100
The vehicle modification factor, press [ Query] to query the current coefficient, press [Exit] to exit the query after the query
7
Enter 100
Single vehicle
01
0th axis
Number of molecules: 100
Denominator: 100
Change the vehicle correction factor to 1
8
Press [ Confirm]
Single vehicle
01
0th axis
Complete vehicle correction
9
Press [DOWN] or [UP] to select the axis to perform 7 and 8 steps to change all axis correction factors to 1
Change the axis correction factor to 1
After the instrument is ready, let the modified vehicle pass through the weighing plate at a constant speed. The measurement is performed three times. The average of the three measurements is used as the measurement value. If the repeatability of the three measurements is poor, the cause should be checked and excluded. The following is a list of measured values ​​and true values:
Vehicle
First axis
Second axis
True value
19880
4900
14980
Measurement value (correction factor 1)
21220
5300
15920
Correction factor determination formula:
[True value × original correction coefficient of instrument]/measure value = new coefficient
In the case where all axle weights are known, the axle weight coefficient is only repaired without modifying the vehicle coefficient, ie, the number of molecules on the 0th axis is 100. The above example illustrates the calculation method:
The determination of the first axis correction factor:[4900×100]/5300≈92
Determination of the second axis correction factor:[14980×100]/15920≈94
After the correction coefficient is determined, the axis coefficient is input into the correction coefficient of the corresponding model. After the input is complete, dynamic measurement is performed. If there is a deviation, micro adjustments can be made on the basis of the coefficient.
Weighing for measuring weighing overloading
Power supply The instrument comes with a 6V battery. After power on, the standby interface displays the battery capacity and voltage in real time. When the battery capacity is lower than a certain value, the meter will automatically shut down (standby interface is automatically turned off for 5 minutes without operation) to avoid battery discharge. When the instrument needs to be charged, please connect one end of the supplied power adapter to AC, and the other end to the 12V/7.2V plug of the instrument . At this time, the power adapter indicator lights up in red to start charging; when the indicator light is on and green, the charging is completed. If you cannot find the AC power supply when you go out, you can use the on-board DC power supply (required special line). The four-core aviation plug-in terminal is connected to the instrument 12V/7.2V plug-in, and the other end is connected to the car's cigarette lighter.1 . This product is a precision measuring device. The carrying plate and instrument should be placed in the packing box during transportation and avoid violent collision.
2 . When storing, keep the environment dry. Do not press the instrument box.
Precautions The keyboard is in the form of soft touch. Do not press the keyboard hard or use sharp objects to press the keys. Avoid using when the temperature suddenly changes; do not put the device in high temperature, high pressure, humidity, vibration or strong electromagnetic interference environment; Ensure that the vehicle to be inspected passes the load plate at a constant speed of ≤ 5 km ; it is forbidden to brake the brake on the load plate or the lead plate to prevent damage to the connection plug and signal cable caused by the movement of the load plate or lead plate; the vehicle to be inspected must be straightened Keep a distance of more than 20 meters between the direction of travel and the load-bearing plate to ensure that all the wheels of the seized vehicle pass through the center of the plate. Do not disassemble the instrument without authorization. When storing, keep the environment dry.Corrosive solution, until the equipment is completely dry before packing.
When carrying the equipment, it must be handled with care, and it is prohibited to throw it.Ten, after-sales service
This product is warranted for 12 months. Quality problems during the warranty period are free to be repaired. The signal cable is a fragile accessory and is not covered by the warranty. The warranty period for the battery and battery charger is three months. Any violation of the operating procedures, damage caused by the operator or the driver, or damage caused by other irresistible causes is not covered by the warranty. This product instrument uses a variety of new technologies, based on the reasons for technical confidentiality, the company does not advocate customer self repair. If the device fails, contact the manufacturer as soon as possible to obtain the manufacturer's technical guidance. When it is necessary to send personnel to repair, the company will dispatch it in time. Provide lifelong maintenance service. Outside the warranty period, if there is repair or maintenance, only the cost will be charged.4 . Free installation and free operation training, detailing the main functions of the product, technical parameters, installation instructions, operating methods, maintenance, simple troubleshooting and other details of the church operators.
5 . The company will not be liable for any machine damage caused by improper operation by the customer, unauthorized maintenance, proximity to magnetic fields, or other special circumstances. Please forgive me.
Weighing for measuring weighing overloads
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