Yokogawa PH18 Differential pH Sensor Manual do Utilizador Página 1

InstructionManualModel PH18Differential pH sensorIM 12B6J4-E-A2nd EditionYokogawa Corporation of America2 Dart Road, Newnan, Georgia U.S.A. 30265Tel:

10IM 12B6J4-E-AAll Rights Reserved. Copyright © 2003, Yokogawa Corporation of America. Subject to change without notice.July 9, 2012GS 12B6J4-01E-A 4

11IM 12B6J4-E-A3. THE TYPE 18 PH PROBE3-1. Typical applications• Fermentation• Continuous reactions• Production of diary products• Product monitoring3

12IM 12B6J4-E-AExample A. Straight weld-in adapter through a vessel wall.Example B. 1” Screw-in adapter with existing pipe

13IM 12B6J4-E-A4. EXA PH202/FLXA21 or PH402/ PH450 INSTRUMENT4-1. Set-up PH202/PH402The EXA PH202/FLXA21 and PH402/PH450 are all designed with dua

14IM 12B6J4-E-A5-4. ASYMMETRY PotentialThe default setting for Asymmetry potential is 0 mV at Isopotential pH value. This value is always wrong for th

15IM 12B6J4-E-AThe probe can be cleaned/sterilized inside the reactor. For CIP cleaning it must be ensured that the admissible alkali and acid concent

16IM 12B6J4-E-A8. POSITION OF THE O-RINGSENGLISHIM 12B6J4-ED-H148. POSITION OF THE O-RINGS9. ACCESSORIESl PH18 differential pH sensorAC D AB

17IM 12B6J4-E-ASC24V or PH18 Application Data SheetCustomer: Please complete a seperate form for each process Tag No: stream to be analyzed and return

IM 12B6J4-E-A 02-1207 (A) ISubject to change without notice Printed in The USACopyright ® Yokogawa has an extensive sales and distribution network.

2IM 12B6J4-E-A PREFACE ...

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4IM 12B6J4-E-ACaution - Inappropriate handling can cause damage.Striking or scratching the sensor against hard surfaces such as steel, stone, glass

5IM 12B6J4-E-APREFACEThe PH18 should only be used with equipment that meets the relevant IEC, American or Canadian standards. Yokogawa accepts no resp

6IM 12B6J4-E-A1. INTRODUCTIONThe PH18 is not a conventional electrode. It relies on two dissimilar ion sensitive enamel membranes to generate the sign

7IM 12B6J4-E-AIM 12B6J4-E-A4Fig. 1Measuring Enamel mV vs.pH in solution containing0.1N Na+pH of sampleFig. 2Fig. 3Fig. 4Reference Enamel mV vspH in so

8IM 12B6J4-E-A2-1. Model PH18 differential pH sensorTemperature sensor : Pt1000 W RTDWetted parts- pH sensor : pH sensitive enamel- Referen

9IM 12B6J4-E-A2-2. Model WU18 cable for model PH18differential pH sensorMax. temperature :110 ºC (230 ºF)Material :Thermoplastic Rubber (T.P