12 mm SC25V (带内置温度元件和外部液体接地)

横河电机一直持续改进pH传感器组合,并设计出了整合行业最新改进方案的新型传感器。SC25V是传感器系列的最新产品,也是横河电机第一款12 mm的组合pH传感器,包括一体型温度元件和液体接地电极。该设计提供大容量的电解质,使传感器比大多数同类pH电极具有更长的使用寿命。

  • 外部钛液接地
  • Pt1000集成于pH室,提供高精度的温度补偿
  • ATEX认证:ATEX II1G Ex ia IIC T3...T6 Ga
  • 通用直插式、浸入式或离线安装
  • CIP或蒸汽清洗
  • 内部大容量KCL使传感器使用寿命更长
  • 可用于10 µS/cm的低电导率应用
  • Variopin接头
  • SC25V-ALP25用于严苛的化学应用和高温环境
  • SC25V-AGP25用于所有一般用途的应用

Hot-Tap Holder PR10

On-line measurements often present extra challenges, especially when routine maintenance is required. The PR10 is ideally suitable for applications where the sensors must be removed without interrupting or shutting down the process. Without any special tools the PR10 can be retracted safely from the process at pressures up to 5 bar (72 psi). Using the PR10 allows us to place any dissolved oxygen sensor that has a PG13.5 connenction into a retractable assembly.

Flow/NPT Fittings FF20/FS20

Yokogawa has invested considerable design and development time in producing a full range of fittings with particular emphasis on designs that reduce installation and maintenance time and consequently save operation costs.

Immersion Holder FD20

The immersion fittings are designed for either pH or ORP (Redox) measurements in tanks, open vessels and drains. They have a "hoisting cable" for easy maintenance.


After extraction from sugar cane or sugar beets, juice must be purified to remove the many other organics and minerals that accompany it.
 The processing to accomplish this is heavily dependent on reliable pH measurement and control as illustrated.


In stable dispersion of fine particles is the pre-requisite for the selective flocculation technique involving separation of ultra-fine valuable particles from the gangue. Among mineral processing techniques selective flocculation technique is known to have outstanding potential of capturing the particles of particular mineral in slurry of mixed mineral system by selective adsorption of water soluble polymers known as flocculants.


In flue gas desulfurization systems that use magnesium hydroxide (Mg(OH)2) slurry, the consumption of the desulfurization agent (Mg(OH)2) is controlled by using online pH analyzers. A great concern in the pH measurement is heavy staining of the pH electrodes by the Mg(OH)2 slurry. To ensure accurate measurement, frequent cleaning of the electrodes with an acid is required, adding to both maintenance workload and cost.

Industry:Chemical, Power


The lifetime of a pH sensor has a significant impact on the overall annual costs of a pH measuring loop. Optimizing four key factors will decrease these costs and optimize process control and overall plant efficiency.


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