Tag Archives: with Calibration

อุปกรณ์วัดความชื้นสัมพัทธ์ (Thermohygrometer with Calibration Data-Logging Probe)

HI 9564 Thermohygrometer with Calibration Data-Logging Probe HI 9564 is a portable thermohygrometer designed to provide peak performance in harsh environments. This instrument also features a HOLD button to freeze readings on the display for manual recording and BEPS (Battery Error Prevention System) which alerts the user in the event that low battery power could adversely affect readings. HI 70602 RH probe features a ... Read More »

อุปกรณ์วัด pH (Research Grade Meter with Calibration Check™ pH/ORP/ISE & Temperature)

HI 4222 Research Grade Meter with Calibration Check™ pH/ORP/ISE & Temperature HI 4222 is a research grade pH, ORP and temperature benchtop meter. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by some pH and ISE sensors. The customizable user interface can display two channels at the same time, showing the measurements in various ... Read More »

อุปกรณ์วัด pH (Research Grade Meter with Calibration Check™ and USP pH/ORP and EC/TDS/Resistiv

HI 4521 Research Grade Meter with Calibration Check™ and USP pH/ORP and EC/TDS/Resistivity/Salinity and Temperature HI 4521 is a research grade, benchtop instrument that features 7 measurement parameters: pH, ORP (Oxidation Reduction Potential), conductivity, resistivity, TDS, salinity and temperature. This meter incorporates dual channels with a separate temperature input and support the external reference electrodes required by half cell pH sensors. The user ... Read More »

อุปกรณ์วัด pH (pH meter professional wine with Calibration Check ™ and specific electrode HI 1

HI 2222-02 pH meter professional wine with Calibration Check ™ and specific electrode HI 1048P What does it mean to use a pH electrode dirty? Most of the pH measurements during the winemaking process are performed on the must and the wine during maturing. A pH electrode gets dirty quickly during this type of measures, because of the numerous chemical and biological ... Read More »

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