Omega PHB21 User Manual Download

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PHB21
Portable pH/mV Meter

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Summary of Contents for PHB21

Page 1: ...PHB21 Portable pH mV Meter...

Page 2: ......

Page 3: ...ent Operation pH Read 15 Equipment Operation pH Check 16 Equipment Operation pH Register 17 Equipment Operation mV Set Up 19 Equipment Operation mV Calibrate 21 Equipment Operation mV Read 22 Equipmen...

Page 4: ...ve Precision 0 01 full scale mV Range 1999 mV Resolution 1 mV Relative Precision 0 05 full scale Temperature Range 20 to 120 C Resolution 0 1 C Relative Precision 0 08 full scale General Input Impedan...

Page 5: ...ndA dissociated The extension that this reaction moves to the right or left varies from one compound to the other and with the solution Temperature For a specific temperature there is a relation betwe...

Page 6: ...solution ionic concentration modification being measured it is necessary that the current that goes thru the circuitry composed by the galvanic cell pH electrode be minimum I 1pA such as the voltage d...

Page 7: ...the transportation cap and rinse the electrode with distilled water remove eventual crystallization at the diaphragm 3 The transportation cap must always be used when transporting the electrode avoidi...

Page 8: ...finition They are fixed points that define the pH scale Composed usually by a weak acid mixed with its own strong base salt The KCl is a neutral salt so does not interfere at the pH value It can be us...

Page 9: ...coefficients entering the final equation of the potential differential approximate speed of the reaction to be controlled necessary or not to control the pH At Oxide reduction systems where the ions...

Page 10: ...umeric 2 Lines x 16 characters 2 Membrane Keyboard 3 Battery Lid cover 4 Serial Output RS 232 5 Protection lids for field protection usage 6 ACAdapter output 7 BNC Connector pH Electrode Inlet 8 BNC C...

Page 11: ...selection flashing option then press key to access the sub menu were you will find the SETUPFUNCTION SET Press the key until SETis flashing then press key to confirm it The equipment will prompt for...

Page 12: ...rn off the equipment press and hold key until the message to Switch Off shows on screen then by pressing key chooseYES to turn if off or NO to continue working and press key to confirm the option chos...

Page 13: ...for the instrument understand that the user really desires to exit the Reading Mode ENTER Turning On the equipment ENTER Basic Operations Press key to turn if on ENTER Return to prior menu for data m...

Page 14: ...will display the battery life left This Screen is default and cannot be changed Select the Resolution by pressing key Option chosen will flash Then press key to confirm option chosen SELECT ENTER Opti...

Page 15: ...t be displayed User can now adjust the Minimum and Maximum values for the Bar Graph Refer to Page 12 User can choose if instrument would Beep when Stability is reached during Read Mode or Not User can...

Page 16: ...Refer to page 12 Dip electrode into 7 00pH Buffer This buffer value was chosen at Set Up Operation Then press key to confirm the option chosen Wait Remove the electrode from 7 00pH Buffer and wash it...

Page 17: ...to confirm the option chosen SELECT Read ENTER Press key until option flashes then press key to confirm the option chosen Dip electrode into sample and press key SELECT Read ENTER ENTER If the user ha...

Page 18: ...n SELECT pH ENTER Press key until option flashes then press key to confirm the option chosen SELECT Check ENTER Dip electrode into 7 00pH Buffer This buffer value was chosen at Set Up Operation When r...

Page 19: ...chosen SELECT Read ENTER Press key until option flashes then press key to confirm the option SELECT Register ENTER Press key until option flashes then press key to confirm the option chosen SELECT Re...

Page 20: ...to confirm the option chosen SELECT pH ENTER Press key until option flashes then press key to confirm the option chosen SELECT Read ENTER Press key until option flashes then press key to confirm the o...

Page 21: ...he desired language Press key until the desired option flashes then press key to confirm the option chosen SELECT ENTER This Screen is default and cannot be changed Select the Resolution by pressing k...

Page 22: ...ple Temperature will not be displayed User can now adjust the Minimum and Maximum values for the Bar Graph Refer to Page 12 User can choose if instrument would Beep when Stability is reached during Re...

Page 23: ...ion flashes then press key to confirm the option SELECT Calibrate ENTER If a thermo is attached to the instrument Manual will be displayed and user will have the option to adjust the Temperature Compe...

Page 24: ...key to confirm the option chosen SELECT Read ENTER Press key until option flashes then press key to confirm the option chosen User will now be able to choose the reading in Absolute or Relative SELECT...

Page 25: ...00 872 9436 ENTER CHECK RESULT 23 Good Electrode Electrode with problem Press key until option flashes then press key to confirm the option chosen SELECT Check ENTER Dip electrode at the Standard This...

Page 26: ...ress key until option flashes then press key to confirm the option chosen SELECT mV ENTER Press key until option flashes then press key to confirm the option chosen SELECT Read ENTER Press key until o...

Page 27: ...gister ENTER Press key until option flashes then press key to confirm the option SELECT Consult ENTER Press key until chosen option flashes then press key to confirm the option chosen SELECT ENTER Per...

Page 28: ...n sequence SELECT ENTER ESCAPE Program will display the battery life left User has the option to choose the desired language Press key until the desired option flashes then press key to confirm the op...

Page 29: ...emperature will not be displayed User can now adjust the Minimum and Maximum values for the Bar Graph Refer to Page 12 User can choose if instrument would Beep when Stability is reached during Read Mo...

Page 30: ...nstrument it is necessary to adjust the temperature of the probe with the instrument If changing or adding a Themo choose then choose again to confirm First find out the any sample temperature Then ad...

Page 31: ...firm the option chosen SELECT Read ENTER Press key until option flashes then press key to confirm the option chosen SELECT C ENTER Dip the electrode into the sample then press ENTER key The reading wi...

Page 32: ...shes then press key to confirm the option chosen SELECT Yes ENTER 800m 23 2 C 8 7 ESCAPE END REPORT YES NO Reading display when the bargraph function was not chosen durign Set Up Mode Example for Read...

Page 33: ...the transportation cap and rinse the electrode with distilled water remove eventual crystallization at the diaphragm 3 The transportation cap must always be used when transporting the electrode avoidi...

Page 34: ...8 Maintenance 32 CLEANING CONSIDERATIONS CONSIDERATIONS...

Page 35: ...t rest the electrode for 30 minutes in 3 MKCl 5 In case you noticed that the internal electrolyte reference is hazel or is contaminated proceed with a internal clean up Take off the internal reference...

Page 36: ...9 Communication Cable 34 E...

Page 37: ......

Page 38: ...M 4507 0908...

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