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Instruction Manual

pHPLUS DIRECT

pH/mV/ISE Meter

Code 5-1936

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Summary of Contents for pHPLUS DIRECT

Page 1: ...Instruction Manual pHPLUS DIRECT pH mV ISE Meter Code 5 1936...

Page 2: ......

Page 3: ...ed applications of the pHPLUS DIRECT meter as possible If there are doubts in the use of this meter please do not hesitate to contact the LaMotte Tech Service Department LaMotte will not accept any re...

Page 4: ...2 1 Resetting the User Calibrated Values 11 3 2 2 pH Calibration using USA standard buffers 12 3 2 3 pH Calibration using NIST standaard buffers 13 3 2 4 pH Calibration using Pb Standard buffers 14 3...

Page 5: ...ECT measures pH mV ORP temperature and ion concentration of various ions mono and di valence with ion selective electrodes ISEs Included with your meter are a robust rubber boot 4 alkaline AAA batteri...

Page 6: ...you were in before turning the meter off Selects measurement mode for Ion mV pH and Temperature Allows calibration for Ion pH mV or Temperature or to abort calibration without confirming any set value...

Page 7: ...condition 2 3 Inserting Removing the Rubber Boot 1 To remove the meter from the rubber boot push out the bottom edges of the meter until it is completely out of the boot Ensure that the cables of the...

Page 8: ...ator in the LCD alerts you when battery power is running low Replace the batteries with the type recommended by the manufacturer Caution Power off the meter when changing the batteries 2 6 Connecting...

Page 9: ...momentarily as the meter performs a self diagnostic test as shown in section 2 2 The meter will be in the Ion measurements mode if the meter has not been calibrated or reset The display will show 2 P...

Page 10: ...rrect pH buffer values during calibration If non standard pH buffers other than the above standards are used or the electrode has worn out the LCD will flash Er1 Press the CAL key to abort calibration...

Page 11: ...e buffer selection mode Use the MODE key to toggle between USA NIST or Pb standards as shown 3 Press the ENTER key to confirm the buffer standards to be used The display then reverts to pH measurement...

Page 12: ...L key to enter the pH calibration mode CA will be displayed momentarily and the display will flash with the current uncalibrated reading 4 To abort or cancel the calibration without accepting the new...

Page 13: ...key to enter the pH calibration mode CA will be displayed momentarily and the display will flash with the current uncalibrated reading 4 To abort or cancel the calibration without accepting the new v...

Page 14: ...on 3 Press the CAL key to enter the pH calibration mode CA will be displayed momentarily and the display will flash the current uncalibrated reading 4 To abort or cancel the calibration without accept...

Page 15: ...oints are not within 1 decade an error message Er4 will be shown at the end of calibration process The ion calibration options available include 0 1 1 0 10 0 100 0 ppm Recalibrate and ensure that all...

Page 16: ...ppm press q key once to select 1 0 ppm Use the p or q key to select other options like 0 1 10 0 or 100 0 ppm 5 Press the ENTER key and the displayed value will show the corresponding measured mV readi...

Page 17: ...s will appear in the LCD if the calibration was unsuccessful with no values stored into memory 3 4 TEMPERATURE CALIBRATION 3 4 1 With Temperature probe The temperature probe provided with the meter is...

Page 18: ...the LCD 2 Compare the displayed value to a NIST certified thermometer or thermometer known to be accurate dipped into a constant temperature bath 3 Press the CAL key to enter the temperature calibrat...

Page 19: ...p water or rinse water thoroughly before taking the next sample measurement or storing the probes 4 2 Millivolt mV Reference Check The mV mode is used for the diagnosis of ISE or pH electrode conditio...

Page 20: ...er cleaning the electrode 6 TROUBLESHOOTING Problem Cause Solution No display Batteries not in place a Insert batteries b Re insert batteries with correct polarity LO displays in the LCD Low battery R...

Page 21: ...00 10 01 USA pH 4 01 6 86 9 18 NIST pH 4 10 6 97 Pb Temperature Range 0 0 to 100 0 C Accuracy 0 5 C Temperature Comp Automatic Manual 0 to 100 C Millivolt Range 500 to 500 mV Resolution 0 1 mV for 200...

Page 22: ...rolyte ionic strength adjuster pipet and replacement membrane Ammonia only 9 WARRANTY Repairs Should it be necessary to return the meter for repair or servicing pack the meter carefully in a suitable...

Page 23: ...following circumstances Damage due to operator negligence misuse accident or improper application Damage or alterations from attempted repairs by an unauthorized non LaMotte service Damage due to impr...

Page 24: ...E COMPANY Helping People Solve Analytical Challenges PO Box 329 Chestertown Maryland 21620 USA 800 344 3100 410 778 3100 Outside U S A Fax 410 778 6394 Visit us on the web at www lamotte com 626094 29...

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