1. Introduction silver chloride reference electrode with a simple preparation, good stability, no lag, ease of use is under high temperature and pressure conditions of the ideal reference electrode. The reference electrode is a measure pH and mV values ??for the silver - silver chloride reference electrode, the reference set than the inner electrode of silver - silver chloride electrode wire and the outer shell has a protective cover, The silver - silver chloride electrode wire at one end and lead solder, and the other end extending toward the microporous silicon rubber, and silicone rubber is pressed into the pores of the inner end of the housing, the housing is made of plastic, so that the product has the structure design reasonable, simple, safe, easy to damage, pollution-free, pollution-free advantages. 2 Features (1) all solid, organic polymer electrode cavity, corrosion-resistant. (2) a low internal resistance, the electrode impedance is not greater than 100kΩ. (3) long-life diaphragm allows free diffusion of KCl, but no actual flow exists. (4) the electrode potential stability, reliability, interference. (5) glass manufactured electrode. Various diameters, length, shape for a variety of special needs (6) plastic electrode, strong and stable. (7) variety, to meet a variety of needs. 3, the main technical requirements for resistance (kΩ) in the temperature range (℃) filling material potentials (mV) * ≤100 -10 ~ 65 gel KCl -40 ± 5mV 4. Specifications Material Material Type for the environment shapes the life of silver / silver chloride silver reference electrode cylindrical CCY-1> 3 powder-pressure, for seawater silver / silver chloride reference electrode CCY-2 mesh> 7 hot dipped coating type, for seawater