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JieJie

捷捷微电

ExStik pH Waterproof Meters

Overview pH Overview pH is a unit of measure (ranging from 0 to 14pH) indicating the degree of acidity or alkalinity of a solution. pH tests are the most commonly performed measurements in water analysis and reports the negative log of the hydrogen ion activity of a solution which is an indicato

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EXTECH

PHOTO TRANSISTOR

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

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NEC

瑞萨

ExStik짰 Waterproof Refillable pH Meter

ExStik® Waterproof Refillable pH Meter Features flat surface electrode, RENEW and CALibration alerts, memory, and bargraph Indicator tells you it’s time to replace your electrode and eliminates guesswork Features: ✓ Refillable pH electrode is easily serviced. Fresh reference solution maint

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EXTECH