How to test a battery load tester

Traditional battery testing methods.

1. The basis of traditional battery testing.

At present, almost all the batteries used in the world are batteries, the biggest feature of the battery is that with the use of the battery, the battery gradually ages, when the battery capacity is reduced to 80% of his original rated capacity, the capacity of the battery may be "diving" decline, although the battery may still be able to provide a certain amount of energy, but at any time may be scrapped. In the international and domestic battery industry, 80% of the battery capacity is taken as a critical point of the battery, and when the battery capacity is reduced to 80% of its original rated capacity, the battery needs to be replaced.

2. Determination of the health of traditional methods.

The traditional way to determine the health status of the battery is the discharge method, which generally tests the current actual capacity of the battery through discharge, so as to determine the health status of the battery. For automobile batteries, the International Battery Association (BCI) stipulates that at room temperature with a rated cold starting current value of 1 2 for 15 seconds, if the battery voltage is above, the battery has passed the discharge test and is a healthy battery.

3. Insufficient performance of traditional detection.

The traditional method of testing the battery with external load is insufficient, and the means are as follows:

1) The battery to be tested must be fully charged, at least, because the test principle is discharge, if the test object has been partially discharged, it will inevitably lead to the low voltage value of the measurement result and cause misjudgment;

2) For the same storage Busen pond, it is not possible to repeat the measurement continuously and get the same result. Since the test process is the discharge process, the battery under test must be recharged after the test before it can be measured again;

3) The test process emits a lot of heat, and it is impossible to test multiple batteries continuously;

4) The test process requires the tester to be well-trained, because the voltage value of the battery must be read out at the moment of discharge for 15 seconds, the level and responsibility of the operator will have an impact on the test conclusion.

4. The impact of traditional testing.

It is precisely because of the lack of traditional test battery means, battery dealers and car repair stations, car dealers often return good batteries as bad batteries to manufacturers, according to the United States' largest car battery dealer interstate statistics, in the return of the so-called bad batteries, 50% of the batteries are actually good, these batteries need to be charged, not replaced, this part of the good battery, just because of the wrong judgment, needlessly back and forth between the manufacturer and the dealer, causing each other's consumption in vain.

Car batteries.

The capacity detection methods are: voltmeter.

Or the voltage block load detection of the multimeter, the hydrometer detection capacity method, and the capacity detection method with a special battery detector.

First, use the voltmeter and load to detect the battery storage capacity.

It is difficult to detect the storage capacity of the battery, and only use the voltage block of the voltmeter or multimeter without load to check whether the storage power of the battery is sufficient. When the voltage is measured alone, the current consumption is very small, so it will not produce a large voltage drop inside the battery, so the display voltage is not low, but if a considerable load is added, such as turning on the headlights (load current 10 15A) and honking (load current 6 12A), the battery will dim the light and the horn is hoarse, thus showing insufficient power storage.

The correct and reliable detection method is to turn on the starter on the car to detect the battery voltage, and the steps are as follows: at the normal temperature of the engine, connect a voltmeter to the positive and negative poles of the battery, and pull out the injector wire, so that the engine can not start. Start the engine to run continuously for 5 10 seconds, and observe the degree of the voltmeter at the same time, when the starter and the line are well connected, the battery voltage of 12V is at or above, indicating that the battery is in good technical condition; If the voltage is lower than the above value, it means that the battery is in a state of power loss and the storage power is insufficient.

2. Use a hydrometer to detect the storage capacity of the battery.

A hydrometer is also a common method to check the storage capacity of a battery. Generally, a fully charged battery is electrolyte at 20 hours.

The standard weight is Yu Zhensun; If the specific gravity of the electrolyte in the battery is less than the above value at 20, it is greater than the battery storage capacity is insufficient and needs to be charged; If the specific gravity of the electrolyte is or less at 20 hours, the battery is completely discharged or damaged. According to this principle, the specific gravity of the battery electrolyte can be measured by using a hydrometer to know the storage capacity of the battery, and the condition of the battery can be further judged.

3. Use a battery tester to detect the storage capacity of the battery.

In daily maintenance and repair, it is necessary to use a battery tester to quickly and accurately detect how much power is stored in the battery. When using, connect the battery tester to the battery for 10 15 seconds, and hold the voltage vertical chain, indicating that the capacity is sufficient and the battery is fault-free; The voltage is kept at, indicating that the capacity is insufficient and the battery is fault-free; If the voltage drops below the battery, it means that the capacity is seriously insufficient or the battery is faulty. The above is just a simple battery detector, which can only measure the battery voltage in the state of high-current discharge, and roughly judge the storage capacity of the battery.

At present, the most advanced battery tester can accurately measure the cold start current (CCA) in addition to starting and discharging.

1. Clean the outside of the battery.

Check the fixing condition of the battery and the pole wire chuck, check that the battery shell should be free of cracking and damage, wipe the external dust of the battery with a cloth, remove the dirt and oxide on the pole pile head, wipe the outside of the connecting wire and the chuck, and remove the dirt on the mounting frame.

2. Check the liquid level height of the battery.

Use a glass tube with an inner diameter of 6-8mm and a length of about 150mm to insert it vertically into the liquid filling port until the upper edge of the plate, and then press the upper mouth of the tube with your thumb, and clamp the glass tube out with your index finger and ring finger, the pure height of the electrolyte in the glass tube is the height of the electrolyte level in the battery above the plate, and the base trouser volt should be 10 15mm.

3. Replenish the electrolyte.

When the electrolyte level is too low, distilled water or battery replenishment sold on the market should be replenished in time, and tap water, river water or well water should not be added, so as to avoid the failure of self-discharge caused by impurities; Do not add electrolyte, otherwise, the concentration of electrolyte will increase and shorten the service life of the battery. After adjusting the liquid level, the battery should be charged for more than one hour so that the added distilled water can be mixed evenly with the original electrolyte.

The load of the battery can be detected with an ammeter, and the power of the load can be calculated by knowing the battery voltage after detecting the current.

BAI battery tester can be right.

The performance of a single cell can be tested, and the electric version pool used for DAO can be tested as a whole. The terminal voltage and internal resistance of the battery are accurately measured by the cross-weighted current injection method to judge the advantages and disadvantages of the battery capacity and technical status. Evaluate the overall characteristics and pick out the lagging batteries.

The battery detector is actually a battery discharge meter with battery cell monitoring function, which can monitor the cell voltage at the same time as the discharge test, and display the battery discharge capacity, battery current, internal resistance fast measurement and other functions in real time. According to the different voltage levels of the battery pack, the battery capacity is different, that is, the size of the discharge current is different. The higher the voltage level of the battery pack, the higher the current.

The main part of the battery tester is the discharge resistance, the test data processing software, and the display control screen. It is recommended to choose the XDX-200 series battery test instrument of Xi'an Xidian University of Science and Technology Electromechanical Company, their resistance is alloy, the advantage is that the heat dissipation is fast, and the temperature is less affected; The data software has complete functions, automatic report generation, large-screen HP LCD display, and the price of the whole machine is medium. And if there is a quality problem within half a year, it can be unconditionally replaced with a new machine, so it is cost-effective.

Fuguang Electronics IDCE-820 840 860CT Battery Wide Voltage Discharge Capacitance Tester.

Covers a wider voltage range (10 480V) to maximize the value of your meter investment!

The load test can determine the battery's ability to provide cranking current and maintain sufficient ignition system operating voltage for the battery negative.

When the load is tested, the battery to be tested is required to contain more than 75% of the battery and store less electricity, if the density of the electrolyte is lower'If the static electromotive force is not measured with a multimeter, it should be fully charged before testing.

Battery load detection usually uses noisy high old rate discharge meter and battery capacity table to detect, the working principle and use method of the two detectors are basically the same, see the manufacturer's instructions for specific operation.

The positive and negative discharge needles of the high-rate discharge meter (see Fig. 2-14) are pressed on the positive and negative poles of the battery respectively, and keep for 15s, if the voltage is kept above, it means that the performance is good, if it is stable, it means that the storage is sufficient, if the voltage drops rapidly, the voltage value is below, after the test, the low voltage value remains unchanged after a long time interval, indicating that the battery has been damaged.

Dear, hello, I am glad to answer for you, the correct way to use the battery capacity tester? The answer is as follows: 1. Connect the positive and negative poles of the output line, the positive pole of the battery capacity tester and the positive pole of the battery are connected together, and the negative stage and the negative stage of the battery are connected together.

After it is connected, you will hear a chirp alarm tone, which is the prompt tone of the battery capacity tester when the power is turned on. 2. Now press the select button to try the discharge current, and press the select button to terminate the voltage. There are some other keys, the zero key can stop the tweeting tone.

The instrument then starts recording the time of discharge. 3. Then select the current of discharge, 7-14Ah is 5A, 17-24Ah is to test the capacity of the battery, test it is, and then carry out deep discharge, the voltage is when the discharge stops, and the alarm sound will stop. Now that we've tested it, it's time to remove the battery.

To record the time of discharge, the formula for calculation is: capacity of the battery = current of discharge * time of discharge. I hope this service can help you, thank you for your consultation, I wish you all the best!

Precautions for use: This manual is used to guide users to operate the HDGC3982 intelligent discharge monitor. 1. The operator must have the qualifications of electrician or above.

The operator should pay special attention to the safety of personnel and equipment in use. 3. RTKR-II intelligent discharge monitor is a precision test equipment, which should be handled with care during use, and should not be thrown around, as a result will cause deformation of the shell and internal components will fail and affect normal use. 4. Avoid splashing liquid on the surface of the intelligent discharge monitoring instrument, so as not to enter the system and cause permanent damage, and flammable gases may cause **.

For your safety, please read all the contents of this manual before operating the smart battery discharge meter. Surveyors should be familiar with the characteristics of the system being tested. It is important to take the correct testing steps to avoid injury to yourself and others in the work area and damage to the inspection equipment.

We assume that the operator has a thorough understanding of the battery, charging system, and device start-up prior to using this tester. Before using this tester, be sure to refer to and follow the relevant safety precautions and test procedures provided by the manufacturer of the equipment under test. Security InformationSecurity information is used to avoid damage to people** and equipment.

Read, understand and comply with the safety information and instructions in this manual, including: Danger! Indicates a very urgent dangerous situation that, if not avoided, could result in serious human beings**.

Warn! Indicates a potentially hazardous situation that, if not avoided, could result in serious human beings**.

Through its name we can see that it is a device used to detect the battery power and resistance, it is not only beautiful in appearance and easy to store but also very large, therefore, it is widely used in power plants and power supply bureaus and other fields, let's introduce: what is a battery detector and how to install a battery detector?

Battery tester features:

1.It is not only very user-friendly in design, but also has the characteristics of small size, beautiful appearance and simple operation, so that it can quickly complete on-site measurements.

2.Its storage capacity is very large, it has 5200 sections of test data on the surface, and it is also equipped with computer management software, which can store data information, and it can analyze the use of the battery, so that we can replace it in time, so as to avoid failure.

3.It can customize or update the instrument program according to its own requirements.

How to install the battery tester:

1. Confirm the location.

2. Arrange the sequence of batteries, and then confirm the sampling line in order.

3. Then dredge the route and fix the trunking.

4. Fix the plug of the wire to the equipment according to the corresponding order.

5. According to the order of the battery and the line, connect the sampling cable with the corresponding battery.

6. Fix the wires of the battery pack at the positive and negative poles.

7. Connect the battery and resistor, and let the battery be connected to the acquisition module.

8. Fix the line with waterproof glue.

9. Then set the position of the sensor.

10. Tease the sampling wire to the sensor.

11. Then confirm the temperature measurement point and connect the sensor to the temperature measurement point.

12. Then fix the line channel first, and check whether the wire and battery are connected.

13. If there is a wrong connection, then start a new connection until it is correct.

15. Check whether the plug corresponds to the device.

16. If it is not correct, then it must be corrected until it is correct.