Calibration, temperature correction and purchase precautions for sugar meters
Calibration and temperature correction of sugar meter:
The sugar meter needs to be calibrated to zero before measurement. Take a few drops of distilled water, place it on the detection prism, and turn the zero adjustment screw to adjust the dividing line to the 0% position of the scale. Then wipe the detection prism and perform detection. Some models of instruments require standard solutions instead of distilled water during calibration.
Another method (only suitable for measuring sugar content) is to use a temperature correction table and add (or subtract) the temperature correction value to the value read at ambient temperature to obtain an accurate value.
Things to pay attention to when purchasing a sugar meter:
1. When users purchase a product, they must first recognize their own needs before making an appropriate decision. Similar products have high and low prices, just like cars, there are 50,000 yuan and 500,000 yuan, and the same is true. Cars, but the needs and purchasing abilities of users are different. In order to meet different needs, high, middle and low-end cars are produced. From the perspective of buyers, choosing a product based on their own needs and purchasing abilities can also allow them to buy To get a satisfactory product; the same is true for handheld sugar meters. Just like cars, handheld sugar meters also have multiple models to meet the needs of different customers, such as handheld refractometer sugar meters or handheld refractometer salinity meters. The pursuit of Simple, practical and low-priced, it allows more people who need to measure the sugar content of solutions (or measure the solid content) to get this product, and they can get started quickly. Currently, there are many domestic manufacturers of handheld sugar meters. , basically all produce handheld refractometer sugar meters. They are produced by different manufacturers in different regions, and the prices are different, but they generally cost a few hundred yuan, and they are all handheld sugar meters designed using the principle of light refraction, and domestically All handheld sugar meters are not waterproof. During use, be careful not to let water directly rinse the handheld sugar meter and store it in a dry environment.
2. Choose a merchant with warranty when purchasing. Usually merchants will not provide warranty if water enters the inside. Because the repair cost is high, most merchants recommend that customers buy a new one. If the merchant provides a warranty for a handheld sugar meter that has been exposed to water Warranty is also very rare, so you may also charge a certain fee, so you can get better protection. Usually the service life of a handheld sugar meter is more than 2 years, but the premise is that it must be well maintained.
Generally speaking, the price of a digital sugar meter is higher than that of a handheld sugar meter. If you don't have enough money, you can choose a handheld sugar meter. It is also very affordable if you pay attention to maintenance.
