pH METER


Posted on Feb 5, 2014

Beckman model W industrial-type pH meter is d-c amplifier designed for measuring potentials generated by pH-sensitive electrodes. Output will drive most recorders. R32 is used only with 4 to 14 pH meter, and R33 only with -1 to 9 pH meter. -G. C. Car. roll, `Industrial Instrument Servicing Handbook, ` McGraw-Hill, N. Y. , 1960, p 7-4.


pH METER
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