PH digital meter

Τίτλος

PH digital meter

Θέμα

Electric meters

Digital voltmeters

Δημιουργός

Kouppa, George

Πηγή

Higher Technical Institute

Το πλήρες κείμενο είναι διαθέσιμο από το Υπουργείο Ενέργειας, Εμπορίου Βιομηχανίας και Τουρισμού

Εκδότης

Library of Cyprus University of Technology

Ημερομηνία

1990

Δικαιώματα

Απαγορεύεται η δημοσίευση ή αναπαραγωγή, ηλεκτρονική ή άλλη χωρίς τη γραπτή συγκατάθεση του δημιουργού και κάτοχου των πνευματικών δικαιωμάτων.

Μορφή

pdf

Γλώσσα

eng

Τύπος

text

Αναγνωριστικό

EED0089

Σύνοψη

This project deals with the design construction and testing of a Ph digital meter. The design of the Ph meter
incorporates the design of a circuit cabable to receive and amplify small value of e.m.f. from a high impedance source and the design of a voltmeter. The first circuit was designed using OP-AMPs configurations and the voltmeter was designed using staircase ramp principle.
The characteristics and principle of operation of each
component used in the design of the instrument were studied in order to achieve an efficient design.
The basic definition for ph value and the principle of
operation the Ph sensor supposed to be used by the
instrument were also studied. The importance of Ph value in chemistry was examined and the uses of ph measurements were also investigated.