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Manual
BIUGED LABORATORY INSTRUMENTS （GUANGZHOU） CO.,LTD
-----------------------------------------------------------------------------------------------------------------------------------------
Add: NO.8, Fuhe Industrial Area, Zhongfu Rd., Zhongxin Town,Zengcheng City, Guangzhou City.
511375. China
Tel：（0086）20-32955999
E-mail：service@biuged.com
EXACT pH METER
Fax：（0086）20-32955818
Website：www.biuged.com
BGD 285
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Summary of Contents for Biuged BGD 285
- Page 1 Instruction BGD 285 Manual EXACT pH METER BIUGED LABORATORY INSTRUMENTS （GUANGZHOU） CO.,LTD ----------------------------------------------------------------------------------------------------------------------------------------- Add: NO.8, Fuhe Industrial Area, Zhongfu Rd., Zhongxin Town,Zengcheng City, Guangzhou City. 511375. China Tel：（0086）20-32955999 Fax：（0086）20-32955818 E-mail：service@biuged.com Website：www.biuged.com...
- Page 2 (6) Error of electro-unit after temperature compensation：±0.01pH (7) Overall dimension： 280×200×95 mm (8) Weight：1 kg (9) Power consumption：1.5 W Ⅲ. Principle of Operation The Model BGD 285 pH meter is based on a D.C. potential generated by a pH electrode and a...
- Page 3 reference electrode against different acidity of solution to be measured. The D.C. potential is fed to an analog-to digital converter via a preamplifier for digital display of pH value. Similarly, in an application that it is equipped with an appropriate ion selective electrode for a potential titration, it is need for display of terminus potentials.
- Page 4 a) ATC mode: Put the selection knob on “℃”. The value displayed means the temperature of the medium to be measured. At the same time the temperature signal be sent to the pH-t mixture circuit to compensate the pH value. b) MTC mode: Remove the temperature sensor, Put the selection knob on MTC and “℃”...
- Page 5 electrode into the solution to be measured, stir the breaker till the solution becomes uniform, and read out the pH value of the solution. b) In case that the temperature of the solution to be measured different from the temperature of the setting solution.
- Page 6 Ⅵ. Composing The complete set of the instrument are as table 1. (1) BGD 285 basic unit 1 unit (2) Compound electrode 1 pc (3) Temperature sensor 1 pc (4) Electrode supporting rod and extension rod 1 pc (5) Electrode clamp...
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