First, the electronic balance 1. Select the desired specification using an electronic balance selected electronic balance, the main consideration on the balance and weighing should meet the requirements of sensitivity, the structure should be adapted to the characteristics of the balance of the work. The principle of selecting an electronic balance is to ensure that the balance is not damaged by overloading, and to ensure that the weighing has reached the necessary relative accuracy. It is necessary to prevent weighing with a balance that is not accurate enough to avoid accuracy that does not meet the requirements; Highly accurate balances cause waste. Natural, No-addition, Fig series products WEIHAI ACCELERATE BIOTECHNOLOGY CO, LTD , https://www.accelerfig.com
2. Proper installation of the electronic balance First, choose a room that is dust-proof, shock-proof, moisture-proof, and prevent temperature fluctuations. As a balance room, the balance with higher accuracy should also be used in the constant temperature room. Secondly, the balance should be placed on a firm and reliable workbench and placed in an appropriate position for easy operation of the electronic balance. Before the installation of the electronic balance, check whether the components are complete according to the complete list of the electronic balance; carefully clean all parts of the electronic balance. When installing the electronic balance, refer to the instructions of the electronic balance, correctly assemble the balance, and adjust the level. After the installation, check the installation of each part again, then check whether the power supply voltage meets the requirements of the balance, and then plug in the power plug.
3. Preheating the electronic balance Before starting to use the electronic balance, it should be pre-booted, that is, preheated for half an hour to one hour. If you want to use it multiple times a day, it is best to let the balance open all day. In this way, the electronic balance can have a constant operating temperature inside, which is beneficial to the accuracy of the weighing process.
4. Calibration The electronic balance should be calibrated periodically from the first use. If used continuously, it is calibrated approximately once a week. Standard weights must be used for calibration, and some balances contain standard weights that can be used to calibrate the balance. Before calibration, the electronic balance must be warmed up for more than 1 hour and checked for level. Calibration should be carried out in accordance with the prescribed procedures, otherwise it will not function as a calibration.
5. Correct operation When the electronic balance is weighed, the control keys and function keys should be used correctly; select the best integration time, correctly grasp the reading and printing time to get the best weighing result. When continuously weighing with the tare key, you should pay attention to the balance overload. The balance door should be closed during the weighing process. After the electronic balance is used, the balance and door cover should be closed, the power supply should be cut off, and the dust cover should be covered.
Second, the maintenance of the electronic balance 1. The electronic balance indoors should be kept clean, tidy, dry, not allowed to wash, eat, smoke, etc. indoors.
2. The electronic balance should be kept and maintained by a special person, and a technical portfolio should be set up to store the instruction manual, the verification certificate, the test record, and record the maintenance and overhaul regularly.
3. The measurement performance of the balance should be checked regularly. If the balance is found to be unqualified, it should be immediately deactivated and sent to a professional for repair. The balance can only be used after it has been repaired and qualified.
4. The weighing pan, outer casing and hood should be cleaned frequently. Generally, use a clean silk cloth with a little ethanol to wipe gently. No strong solvent is available. After the balance is cleaned, a non-corrosive desiccant should be placed in the frame and replaced regularly.
5. If abnormal conditions are found after the electronic balance is turned on, immediately close the balance and check the power supply, wiring, fuses, switches, sliding doors, objects, and operation methods. In short, in the maintenance of electronic balances, the use of personnel should be careful to ensure the integrity of the equipment.