How to calibrate an electronic scale, how to correct an electronic scale

1.The illegal calibration of electronic scales is carried out using the allowable range of the standard weight mass value and the calibration code value of the calibration program, because the calibration code value has a certain spatial range (for example, the electronic scale with a maximum weight of 150kg, its 50kg inner code value is in the range of 12000 18000, and it can be calibrated to 50kg display value. If the actual weight of the calibration weight is 49 kg and the calibration display value is 50 kg, then the actual weight when the scale shows 150 kg is 147 kg.

It is self-evident what consequences this size will have in market trading. This is the importance of legal metrology in the national economy. 2.

After installation, check whether the connection of all parts of the scale body is good, and the scale body must not be in contact with any part of the foundation. The distance between the scale body and the surrounding edge protection is 10 mm to 15 mm. 3.

Before commissioning, turn on the power switch to warm up for 15 minutes, and try to use a vehicle with a load close to the maximum weight, repeatedly pass back and forth and stop on the load-bearing platform, and tighten the high-strength bolts of each load cell with a torque wrench. 4.The output voltage of each load cell is measured sequentially with a digital voltmeter.

If there are inconsistencies, adjust the corresponding two precision adjustable resistors in the junction box to reduce the difference between them. However, the amount of adjustment must be noted that the two adjustable resistors should rotate in the same direction and amount. When rotated clockwise, the resistance decreases, the output voltage increases, and the displayed value increases, and vice versa.

until the output of all load cells is consistent. 5.Generally, the gravimetric method can be used for debugging, that is, the 1 10 of the maximum weighing weight is placed on the center of the load-bearing table and the load-bearing table above each load cell in turn, and the difference of each load cell output is accurately measured by the true difference method.

At the same time, the two precision adjustable resistors corresponding to each load cell are adjusted separately to reduce the difference, but the direction of rotation and the amount of rotation are the same. 6.After the key points are debugged, a weight equivalent to the maximum weight is evenly added to the load-bearing platform.

After following the position and method described in the manual of each weighing indicator, the displayed value is consistent with the weight value, remove the weight, and confirm that the empty scale shows "0". 7.Finally, the maximum weight is divided into several parts, including the minimum weight, the maximum weight, and the tolerance of change for each weighing point.

The weighing error of each point is required to be no greater than the maximum tolerance requirement for each weighing point.

1. Turn on the power switch of the electronic scale.

2. Place the scale body stably on the water platform.

3. There are no objects around to collide, there is no debris on the scale, and observe whether the display is zero.

4. If it is not zero, press the "Set Zero" button to set zero.

5. After setting zero, place the appropriate standard weight at the four corners and five points of the electronic scale for measurement.

6. Adjust the button to the number of weights on the display screen every time to calibrate. Electronic scale (English name: electronicbalance) is a kind of scale, which is a tool to determine the mass of an object by using Hooke's law or the lever balance principle of force.

According to the structural principle, it can be divided into three categories: mechanical scales, electronic scales, and electromechanical scales. The electronic scale is mainly composed of three parts: load-bearing system (such as weighing pan, weighing body), force transmission system (such as lever force transmission system, sensor) and value indication system (such as dial and electronic display instrument).

in electronic scales. In the number setting area on the right, hold down the decimal point for a few seconds, and release it when "centr" appears.

Then press the "8" key, and 75000 will appear in the single column. You can ignore this step and press the "Accumulation" key to enter the next step.

This is when the weight value appears, and this step is more important. Enter the weight of as many weights as you have in your hand, and remember to reserve the number of decimal places. For example, if I have a 5,000g weight, I have to enter 50,000 because there is a 0 for the decimal point.

If you only enter 5000, only 5000 will be displayed after the correction is completed, with no decimal point. After entering, press the "Accumulation" button to proceed to the next step.

At this time, the weight column of the electronic scale will appear: LCP, and the single weight column will appear: OFF.

Put the weights on and wait a few seconds for the scale to automatically adjust. When the weight bar jumps to the weight weight, the correction is complete.

How to calibrate the electronic scale and how to calibrate the electronic scale.

Answer the methods and steps of electronic scale calibration: 1. Check whether the appearance of the electronic scale is clean and whether the switch is intact before the accuracy of the electronic scale. 2. Weight measurement electronic scales generally have weights, and these weights are relatively accurate.

Measure with standard weights of different qualities, the weight of the weight should be within the range of the electronic scale, measure the weight in turn, observe whether the number displayed on the display is consistent with the weight of the weight, try several times, look for errors, and then make adjustments. 3. After the four corners and center points are calibrated and the electronic scale is adjusted horizontally, it is as close as possible to the full-scale weight pressure weighing platform to make all parts of the weighing platform stable. Then add a certain weight to the weighing table for calibration, after the initial calibration, remove the weight, and start the four corners adjustment.

Use an appropriate amount of weight to press the angle, check the four corner error, under normal circumstances, the basic error is within 1d, if it is to be smaller, it should be achieved by adjusting the angle coefficient k value. 4. After confirming that the empty scale is "0" bearing point debugging, the weight equivalent to the maximum weighing capacity is evenly added to the load-bearing table, and the display value is consistent with the weight value according to the position and method introduced in the manual of various weighing displays, and the weight is removed and the empty scale is displayed as "0". 5. Repeatability error calibration Electronic bench scale repeatability error calibration:

Take the weight of the maximum load (full scale) of the electronic bench scale, place it in the center of the electronic bench weighing pan four times, and record the reading after each stabilization.

There are relevant national standards. However, as a measuring instrument, it is best to be measured and tested once a year by the local metrology department, and a qualified label should be affixed after passing the test. It is better to provide the measurement tools (standard weights) by the measurement department, and you can buy them at the store recommended by the measurement department, so there will be no trouble.

However, the cost of self-inspection is not low, there must be specific environmental requirements (such as: temperature, etc.), and the standard weight (large measurement) is not low. For large numerical measurement instruments, the allowable error is very large, and it is necessary to calibrate once a month?

The simple and practical method is to find a stainless casting, weigh the exact weight after the inspection has just been completed by the weighing tool inspection institute, record it, and use it instead of standard weights in the future. Just keep it safe.

After replacing the sensor of the scale, the zero point is first calibrated, then the corresponding number of standard weights are loaded for adjustment angle difference, and finally the standard weight calibration range is loaded close to full scale. After the above steps, the scale is calibrated.

How to calibrate the electronic scale and how to calibrate the electronic scale.

Step 1: Place the scale on a platform that is firm and smooth, and do not place the scale on a table or shelf with unstable vibration.

Step 2: Turn on the power and warm up for 2 minutes. The power switch position is located in the lower right corner of the scale, when the power is on, do not put the item on the weighing pan, use the previous heat engine for more than 2 minutes.

Step 3: Set zero. If the weight you just turned on is not zero, wait a while, or turn the power back on so that it is zero. The "zeroing" of the electronic scale means that after being weighed an item, it is then weighed another item, and after being zeroed, the electronic scale is measured and priced again.

Step 4: Peel. The tare [button] is the basic function of the electronic scale, and its correct purpose is to carry the container (e.g

baskets, basins) and other auxiliary weighing containers are placed on the scale, and when the [peel] button is pressed, the weight value will be replaced with the zero value of the electronic scale, and then the net weight of the items will be displayed after being weighed together with the basin and the items.