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PH meter

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Descipion

　　PHS-2F type precision grade acidity meter is a 3 1/2 bit LED digital display acidity meter (hereinafter referred to as the instrument). The instrument is applied to the study room, medicine, factory, school, chemical industry, environmental protection, and the laboratory of the field, etc. the acidity (pH value) of the water solution and the measuring electrode potential (mV value) are measured. Such as the appropriate ion selective electrode, can be used as a potentiometric titration analysis terminal indicator。

Technical characteristics of the instrument

(1) ambient temperature: 0 ~ +40;

(2) relative humidity: 50 ~ 85%

(3) the measured solution temperature: 0 ~ 60

(4) power supply: 220 + AC 22V, 50 + 1Hz

(5) no significant vibration

(6) no external magnetic field interference in addition to the geomagnetic field

Main parameters of instrument

(1) measurement range: pH file: 0 ~ mV 14.00pH file: 0 ~ + 1400mV (automatic polarity display)

(2) accuracy: pH file: 0.02pH + 1 word mV file: (reading) = 0.1% + 1 words

Matching accuracy: less than 0.02pH/3pH

(3) input impedance: 1012 ohm