Proprietary pH sensor technology and materials from Switzerland Unique LabSen cylindrical glass membrane, faster response rate, better repeatability in purified water Get stable ph. readings in purified water or low ion-concentration solutions in 30 seconds on average. Say goodbye to annoying fluctuations Silver Ion Trap Reference System – On top of the Long-Life reference system, a silver ion trap is added to prevent the junction being blocked by silver sulfide 6-Month Warranty fulfilled by Apera Instruments
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