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PH meter

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Descipion

The Model pHS-3B pH meter is a 3 1/2 digit decimal pH meter with ATC (auto temperature compensation) or MTC (manual temperature compensation). It can measure the temperature of the medium to be measured and display the values of temperature, pH and mili-voltage It is suitable to measure the pH value of aqueous solution and the potentials of electrodes in laboratories of research institutes, factories and mines. If it is equipped with an appropriate ion selective electrode, it can be used as a terminus display device for potential titration.

Ⅱ. Main Specification

1. After having been powered on and warmed up for thirty minutes, the instrument can be used continuously under the following conditions:

(1) Ambient temperature：0～+40℃；

(2) Relative humidity：less than 85%

(3) Power supply：110V AC±11V AC，60Hz±1Hz

or 220V AC±11V AC，50Hz±1Hz

2. Main parameters:

(1) Measuring range：pH：0～14.00pH

mV：0～±1999mV（automatic polarity display）

T：0～100℃

(2) Error of electro-unit：pH：0.01pH

mV：±0.1%F.S