Instruments are instruments or equipment used to detect, measure, observe, and calculate various physical quantities, material compositions, physical parameters, and the like. In the process of China's national economic construction, instrumentation bears the tasks of the gatekeepers and instructors, and has a great pulling effect on China's economy. In the process of use, more or less will encounter some faults and problems, which seriously affects the work production. Next, let's take a look at common instrumentation faults and solutions. Counting 10 major instruments and common faults and solutions Faults and solutions: First, after opening the host, it is found that the self-test cannot be performed, and the host fan does not turn. Solution: 1. Check if the power switch is normal. 2. Check the fuse (or replace the fuse). 3. Check if the connection between the host computer and the instrument host is normal. Second, when the self-test, an item does not pass, or an error message appears Solution: 1, shut down; Wait a moment and then boot again and re-test 2, re-install the software and then self-test 3, check whether the computer host and instrument host connection is normal Third, there is a mistake of "low energy of xenon lamp" during self-test Solution: 1. Check if the photometric room has a light blocker. 2. Open the light source room cover and check if the xenon lamp is lit. If the xenon lamp is not lit, turn off the machine and replace the new xenon lamp. When changing the xenon lamp, pay attention to model 3, check the xenon lamp fuse (generally 0.5 A), see if it is loose, oxidized, burned, if there is any fault, replace it immediately, turn on the self-test 5, reinstall the software Self-test Fourth, the "tungsten lamp energy is low" error occurs during self-test Solution: 1. Check whether the photometric room has a light-blocking object. 2. Open the light source room cover and check whether the tungsten light is on. If the tungsten light is not on, turn off the power, replace the new tungsten light. 3. Turn on the power, re-test 4, and restart. Self-test after installing the software Five, the wavelength is not accurate, and found that the wavelength has a translation Solution: 1. Check if the connection between the computer and the host is loose. Is the connection poor? 2. Check if the power supply voltage meets the requirements. (The power supply voltage is too high or too low, and the wavelength shift phenomenon may occur.) 3. Re-test 4, if Still can't, open the instrument, brush the screw with a clean small brush and clean the watch oil Sixth, the whole machine is very noisy Solution: 1. Check whether the xenon lamp and tungsten lamp have expired; check whether the xenon lamp and tungsten lamp are black. 2. Check if the 220V power supply voltage is normal. 3. Check whether the xenon lamp and tungsten lamp power supply voltage are normal. Check for solder joints on the board. 5 Check for strong electromagnetic field interference. 6. Check if the sample is turbid. 7. Check if the cuvette is dirty. Seven, luminosity accuracy is not allowed Solution: 1. First check whether the sample is correct, whether the sample is accurate, whether the operation is correct, 2 whether the cuvette is contaminated, 3, whether the wavelength is accurate, 4, re-calibrate the dark current, 5, check the fuse for problems (loose, contact Bad, oxidized) 6. Is the stray light too large? 7. Is the noise too large? 8. Is the spectral bandwidth selection appropriate? 9. Is the baseline flatness deteriorate? Eight, the baseline flatness indicator is out of tolerance Solution: 1. The instrument condition selection of the baseline flatness test is correct. 2. Correct the dark current. 3. Whether the light source is abnormal (the light source is unstable, the bulb is black, and the lamp angle is bad). 4. Is the wavelength inaccurate? (Do you want to pan) 5. Reinstall the software 9. Repeatability of absorbance or transmittance Solution: 1. Check whether the sample has photolysis (photochemical reaction) 2. Check if the sample is too thin. 3. Check if the cuvette is stained. 4. If the spectrum bandwidth is too small during the test. 5. Whether there is strong electromagnetic interference around. Ten, the absorbance value is very large when measuring Solution: 1. Check if the sample is too thick. 2. Check if the photometric room has light blocking. (The wavelength is set at 546nm. Use white paper to view the spot in the sample chamber.) 3. Check if the light source is on. 4. Shut down, re-test 5 Check if the power supply voltage is too low. 6. Reinstall the software. Edit review China has entered the major industry of instrumentation and production. Through years of development, it has already possessed a considerable industrial scale. Facing the complicated international trade situation, China's instrumentation industry should firmly grasp the strategic advantage period of development, in line with "innovation priority, The principle of key breakthroughs, technology integration, solid foundation, and diversified investment, the layout is in line with the development plan of strategic emerging industries. When we encounter problems with instrumentation, we can refer to the above for troubleshooting. Of course, there may be more than one cause for some faults, and specific analysis is needed to select the appropriate method for processing. If you can't solve it, you can ask the relevant professional or send it for repair. Pet Bowls And Feeders
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