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PH meter

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Descipion

Model PHB-4 portable pH meter has a 3 1/2 digit display, and is suitsble for using in the laboratories and inspection offices for meansuring the pH value of the liquid and the potential of the measuring electrode(mV). The compact size and portable design of the meter make it specislly suitable for being used in the remote site without power source.

Speciflcations

1. The meter can maintain normal operation at following conditions:

(1) Ambient temperature :5～45℃;

(2) Relative humidity of air:Not more than 85%;

(3) Temperature of measured liquid :5～55℃;

(4) Power source: One 9V battery(Type 6F22);

(5) No obvious vibration

(6) No external magnetic interference except terrestrial magnetic field.

2. Major working parameters

(1) Meansuring range

pH :0～14pH;

mV :0～1400mV;