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Author: Smartweigh–Multihead Weighter
The multihead weigher used in the weighing equipment belongs to the category of high-precision instrumentation equipment. The installation, application and maintenance must be done according to the regulations in the instructions for use, so as to ensure the safety of the instrument panel, everything is normal, accurate. Otherwise, the instrument panel may be damaged or its service life may be reduced. 1. Installation: Generally, the instrument panel should be placed in a natural environment with clean, dry, natural ventilation and suitable temperature.
The instrument panel should be fixed and not moved frequently, otherwise it is very likely that the internal wire of the power plug of the communication cable will fall off and cause common failures. 2. Switching power supply: Most multihead weigher tables use 220 volts AC, and the allowable range of operating voltage is generally 187 volts --- 242 volts. After changing the switching power supply route, remember to accurately measure whether the working voltage meets the regulations before connecting the power to the instrument panel.
If the 380 volt switching power supply is mistakenly connected to the instrument panel, it is likely to cause damage. Places where the power supply voltage fluctuates greatly should be equipped with a stabilized power supply with excellent characteristics (such as CW type AC main parameter stabilized power supply) to ensure the normal application of the instrument panel. It is not necessary to use the same power plug with strong interference signals (such as motors, electric bells, fluorescent tubes) to prevent unstable information values displayed on the instrument panel.
Some instrument panels (such as HAWK meters, etc.) are dual-purpose for AC and DC power. Be careful when installing battery applications, battery leakage will damage the instrument panel. When the rechargeable battery power supply system is not used for a long time, the rechargeable battery should be removed.
3. Grounding device: The multihead weigher should be connected to a separate and excellent wire joint (the resistance of the grounding wire is less than 4 ohms, and the grounding device wire should be as short as possible. The wire joint has a two-way function: it not only has the function of maintaining the life safety of the actual operating staff, but also It also has the key anti-interference function, which can ensure the smooth operation of the instrument panel, and the ground wire is connected to the power plug of the instrument panel. The instrument panel causes the influence of the switching power supply, which causes the information value displayed on the instrument panel to fluctuate. Regular maintenance should be made to check whether the grounding wire node is in good contact.
Due to air oxidation and rust caused by each node after a long time, the instrument panel will actually fail. 4. Sun protection and isolation: The sun should be prevented from shining on the gray-black chassis of the instrument panel, otherwise the office environment of the instrument panel may be damaged beyond the rated temperature range. 5. Moisture-proof: Under normal circumstances, although the ambient humidity of the instrument panel office environment reaches 95%, it is required not to cause condensation.
The unique stainless steel plate case with moisture-proof effect is outside the instrument panel. 6. Anti-corrosion: Corrosive chemicals cannot penetrate into the interior of the instrument panel, otherwise it will cause corrosion to the components on the pcb circuit board and the pcb circuit board itself. Over time, the instrument panel may be damaged. Even the dashboard with anti-corrosion effect..
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