HD 9212
INSTRUCTIONS MANUAL
Page 1: ...HD 9212 INSTRUCTIONS MANUAL...
Page 2: ...15 HD 9212 ENGLISH pHMETER THERMOMETER...
Page 3: ...m 0 00 to 14 00 pH and the value is indicated in hundredths of pH If the measurement exceeds the indicated limits or the electrode is not connected the Err code appears on the display mV measurement W...
Page 4: ...ent exceeds the indi cated limits or the electrode is not connected and there is no pH or mV probe con nected the Err code appears on the display Switching the instrument on and off The instrument is...
Page 5: ...ltaneously for at least 1 second During this phase the auto power off function is automatically dis abled the battery symbol flashes After performing test display the instrument shows the CAL mes sage...
Page 6: ...perature probe and connecting the pH elec trode the instrument uses the previously stored temperature value to calculate the temperature compensation of the pH measurement The temperature value used f...
Page 7: ...lectrode 4 When CAL is pressed the instrument quits calibration of the offset of the electrode and the pH symbol stops flashing The instrument shows the CAL message for a moment At this point the inst...
Page 8: ...C02 or C03 depending on the work code used previously with the mes sage C flashing 2 Using the s and t buttons select the work code C06 3 Confirm the work code by pressing the CAL button The instrume...
Page 9: ...tion point 1 At input of the instrument simulate the second calibration point 480 mV or a value less than 490 mV 2 When the measurement is stable press the CAL button The symbol indicating mV flashes...
Page 10: ...ion of the first cali bration point The C symbol stops flashing The instrument shows the CAL message for a few moments At this point the indication on the instrument coin cides with that set on the si...
Page 11: ...symbol flashes The instrument shows the CAL message and after a few moments C01 C02 or C03 depending on the work code used previously with the message C flashing 2 Using the sand tbuttons select the...
Page 12: ...t this point the indication on the instrument coincides with the value of the reference buffer solution By selecting display in C it is possible to calibrate the tempera ture of the instrument plus th...
Page 13: ...be in the calibration furnace This completes calibration of the instrument and its probe and the calibra tion values are stored in the work code C03 NOTE Once the instrument has been calibrated with i...
Page 14: ...Er1 code is shown alternately with the mea surement In this case it is necessary to switch the instrument off and on again if the signal is repeated calibration must be repeated If the error persists...
Page 15: ...expenses are borne by the buyer The guarantee does not include accidental breakages due to transport incorrect use or neglect incorrect connection to voltage different from that contemplated for the i...
Page 16: ...b Site www deltaohm com SIT CALIBRATION CENTRE N 124 CE CONFORMITY Safety EN61000 4 2 EN61010 1 level 3 Electrostatic discharge EN61000 4 2 level 3 Electric fast transients EN61000 4 4 level 3 Voltage...
