Some attention problems in the purchase of analytical instruments

Users should pay attention to the following aspects when purchasing instruments according to their needs:

1. Order according to the needs of the company's products

According to the needs of enterprise products, the purpose of purchasing instruments is to ensure that the quality of the company's own products is controlled, so it is necessary to pay attention to the adaptability of the instruments to the enterprise products. For example, the test time should be as fast as possible before the furnace test, and the incoming inspection should be able to print. The test report, while the finished product inspection takes into account the authority of the instrument. The production requirements of a single product such as steel, wire rope and other equipment can be appropriately reduced, while companies such as cast copper alloy, aluminum alloy, stainless steel, etc. should pay special attention to the professionalism of the instrument, generally speaking, professional instrument testing More precise and convenient.

2. Order according to the size of the company

According to the size of the enterprise, the demand for instruments is generally divided into three categories: large, medium and small. Large enterprises can generally be equipped with high-frequency infrared carbon and sulfur analyzers and direct reading spectrometers. The cost of the laboratory can be controlled at around 1 million yuan. Companies with relatively simple conditions and economical affluence may consider deploying a non-aqueous carbon and sulfur analyzer, a 721 spectrophotometer, and a 328AB analytical balance to prepare a laboratory to build a 15 square laboratory with a total price of less than 10,000. yuan. At present, most enterprises in China must meet the needs of quality control, and must be tested in a timely and accurate manner. They can be equipped with a highly automated gas volume method carbon-sulfur high-speed analyzer and a computer element analyzer. The cost of the laboratory is between RMB 15,000 and RMB 18,000. If the non-ferrous metal manufacturer does not need to measure the content of carbon and sulfur elements, just purchase a computer multi-element analyzer and a sample balance, plus all chemical glassware and a full set of chemical reagents, the total price will be about 10,000 yuan.

3. Purchase products with stable quality and timely service

In terms of quality, price and service of the instrument, the service capability of the instrument supplier is mainly considered. At present, the quality of high-end products such as large direct reading spectroscopy is better than that of domestic products, and the price is not comparable. Domestic mid-range instrument products The quality and performance are similar and the functions are slightly different.

4, buy a reasonable price of the product

In terms of service, manufacturers generally have better service quality than merchants. The service of sales outlets is relatively timely, but it depends on the open services of various manufacturers to the society. Commitment content, special consideration for maintenance outside the warranty period of the instrument and supply of spare parts and consumables. Some instrument manufacturers' information is provided below: Customers can make a selective comparison.