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First, an overview of the instrument
Dws-51 natrium ion concentration meter to measurements in aqueous solution containing Na + content and design of, special supervision of the quality of high purity water in power plant, such as steam, condensate, boiler feed water and is suitable to be used and other on the stove water, natural water can also be applied. Dws-51 sodium ion concentration tester is a fully integrated high impedance millivolt meter (hereinafter referred to as the "electric meter) and PNA composite electrode combination and, when PNA electrode into the solution to be measured, in the solution have a certain potential, the potential for this decision on Na + activity. When the potential input to the electric timing, in the digital meter directly read out the number of PNA and from the table to check the Na + content。
Two, the main technical specifications of the instrument
1 instrument measurement range
(1) electric meter part: PNa:0 9; Na+:23g/I-0.023 g/I
(2) matching measurement: (according to the performance of the electrode) PNa+:I-7; Na+:2.3g/I-2.3 g/I 2 instrument minimum index value: 0.01PNa 3.
Three, accuracy
(1) denkei: less than 0.02PNa/3PNa
(2) a: + 0.05PNa: a word. Instruments use environment temperature: 5-40 DEG C and the humidity of not more than 85%. The change of the power supply voltage: 220V + 10% frequency 50Hz + 1 Hz. The measured solution temperature range: 0-60 deg.c (manual)
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