Correct choice of negative ion detector - Database & Sql Blog Articles

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The correct choice of negative ion detector method: First, to understand the type of negative ion detector products Currently, negative ion detectors have a variety of negative ion detectors: 1. American AIC1000 negative ion tester, air ion detector 2, American AIC2000 negative ion Tester, negative ion concentration meter, negative ion detector 3, Japan ITC-201A negative ion tester, negative ion concentration meter, negative ion detector 4, Japan KEC990 air negative ion tester, negative ion concentration meter, negative ion detector (100-20 million) 5, Japan KEC-900 air negative ion tester, negative ion concentration meter, negative ion detector (10-2 million) 6, Japan COM3600 integrated high performance air ion tester, air ion detector 7, Japan COM3800 integrated high performance air ion Tester (160000 yuan) 8, Japan COM3400 integrated high performance air ion tester 9, Japan COM-3010PRO ore ion tester, ore negative ion concentration meter, ore negative ion detector 10, Z-1200 ozone concentration detector, ozone analysis Instrument 2: Select different models according to different applicable places 1. American AI C1000 negative ion tester, American AIC2000 negative ion tester, can measure both positive ions and negative ions. It can also measure the negative ion concentration of the body, such as environment, solid matter (stone and ash), cloth, fiber and so on. 2, Japan KEC-900 air negative ion tester, Japan KEC990 air negative ion tester, test the concentration of positive and negative ions in the air in various environments and the number of ions generated by various negative ion related products, convenient and easy to use. Suitable for the production of negative ion generators (air fresheners, negative ion air conditioners, hair dryers), environmental (hot springs, SPA, essential oils, waterfalls, forests) measurements. Third: choose the appropriate price radiation detector, gas detector, radiation detector offer fourth: choose a regular company, the company has its own main product fifth: choose imported products, imported products are better than domestic There are two AIC1000 negative ion testers and AIC2000 negative ion testers in the United States. Japan has two Japanese KEC-900 air negative ion tester, Japan KEC990 air negative ion tester is good value for money: Beijing Tianzhengren and tell you

DO-35 Diode

Two - way trigger diode, also known as two - end ac device (DIAC), and two - way thyristor at the same time.Because of its simple structure and low price, it is often used to trigger the bidirectional thyristor, and can also constitute overvoltage protection circuits.Construction, symbol and equivalent circuit of a bidirectional trigger diode.

Also commonly used in the overvoltage protection, timing, shift equal circuit, Figure 2 is the overvoltage protection circuit composed of bidirectional trigger diode and bidirectional thyristor.When the transient voltage exceeds the DIAC and Ubo, the DIAC quickly conducts and triggers the bidirectional thyristor to also conduct, so that the following load is protected from overvoltage damage.

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