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QT-2202PH Meter analyzer

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Keywords: PH Meter analyzer           

产品介绍

一、Summary

   T-2202 digital display pH meter is a high precision instrument for measuring pH value in laboratory. It has dual functions of pH and mV. Adopt E201 composite electrode with fast reaction and good stability. The series of instruments are widely used in scientific research, teaching, agriculture and many other subjects and fields

 二、Working principle

   The hydrogen ion activity in water solution is converted into electric energy by the sensor (pH composite electrode).Power input to the instrument through the op amp,flow check, converted to digital display by A/D.The above electric energy is in accordance with Nernst equation.

三、Technical specification and working conditions


Model

QT-2202

measurement range

0.00 ~14.00pH

pH measurement accuracy

±0.01pH

Resolution

0.01pH

mV measurement range

0~±1999mV

mVmeasurement accuracy

±2mV

Resolution

1mV

Temperature compensation range

0~60

Standard buffer solution

pH4.00; PH6.86; pH9.18,

power type

Regulated   power adapter or power line

size

220mm×200mm×85mm

weight

1KG  

about 1KG




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