(Paul N. Gardner: Pompano Beach, FL) -- Unlike disposable pocket-sized pH meters, the miniLab Pocket pH Meters contain a virtually unbreakable, nonglass silicon chip sensor that gives stable readings in seconds. Part of the H-Series family of nonglass probes, miniLab meters use ion-sensitive field effect transistor (ISFET) sensor technology that contains several proprietary layers deposited selectively on a silicon substrate. The final layer possesses an affinity for hydrogen ions only. The quantity of hydrogen ions at or near the sensor surface causes an electrical effect that is detected and measured as pH.

All miniLab meters offer waterproof (IP67) operation, automatic temperature compensation, and economical measurement of small sample volumes. A replaceable reference electrode further extends the longevity of the meter.

The sensor stores dry, therefore requiring no storage solutions. To clean the meter, simply use a toothbrush and a detergent solution. After use, just replace the protective sensor cap.

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