Accumet AP71, Operating Instructions Manual

Page 1: ...OPERATING INSTRUCTIONS accumet 13636AP71 and 13636AP72 AP71 and AP72 Portable Waterproof pH mV C Meter 1 02 IP 67...

Page 2: ...s 23 24 7 1 Memory Input 23 7 2 Memory Recall 24 8 Advanced setup functions 25 39 8 1 Advanced setup mode overview 26 27 AP71 meter 26 AP72 meter 27 8 2 Program 1 0 Memory clear 28 8 3 Program 2 0 Vie...

Page 3: ...ured pH mV or Relative mV reading The secondary display shows the temperature The display also shows error messages keypad functions and program functions 2 1 Primary display 5 6 Secondary display 3 2...

Page 4: ...e from pH calibration mode see page 17 for directions In advanced set up mode Press CAL MEAS to return to main menu from sub menus Press CAL MEAS again to return to measurement mode from main menu ENT...

Page 5: ...ure the slots of the connector are in line with the posts of the socket Rotate and push the connector clockwise until it locks See figure below 2 To remove probe push and rotate the connector counterc...

Page 6: ...first holder See figure 4 Slide the flange of the second holder into the slot of the first holder until the tops of the hold ers are aligned and secure Inserting the Electrode into the Electrode Hold...

Page 7: ...switch on the meter the meter starts up in the units last used For example if you shut the meter off in mV units the meter will read mV units when you switch the meter on Be sure to remove the protec...

Page 8: ...g one point calibration go to step 9 7 Rinse the probe with de ionized water or a rinse solution and place it in the next pH buffer 8 Follow steps 5 to 8 for additional calibration points 9 When calib...

Page 9: ...long period of time or if you have a replacement probe 4 5 B B A A Relative mV Calibration 1 While in the measurement function press MODE to enter the mV mode The mV indicator appears in the upper rig...

Page 10: ...et temperature Notes To exit this program without confirming the manual temperature compensation value DO NOT press ENTER in step 6 Press CAL MEAS instead Manual Temperature Compensation A A 5 2 5 Mea...

Page 11: ...tween pH and mV or Rel mV readings press the MODE key 21 20 Taking Measurements Be sure to remove the electrode soaker bottle or protective rubber cap on the electrode before measurement A A 5 3 Takin...

Page 12: ...han 5 seconds The hold indicator appears Press the HOLD key to release the reading To switch on or off the auto endpoint feature see Set up program P4 1 on page 32 23 22 7 Memory functions Memory Inpu...

Page 13: ...to the memory location screen AP72 meter only Press the ENTER key again to view the date and time the reading was taken Press the ENTER key again to return to the memory location screen See figure 4...

Page 14: ...ectrode data In pH measurement mode P3 1 pH electrode offset P3 2 pH electrode slope In mV or relative mV measurement mode P3 1 relative mV offset P1 0 Memory clear P1 0 Clear all stored readings P2 0...

Page 15: ...mory Clear Use this parameter to clear all memory values when you need to store a new series of values This lets you avoid confusing the old values with the new ones NO is the default setting NOTE Sel...

Page 16: ...eed to step 4 of P3 2 Or press the CAL MEAS key to return to measurement mode 31 30 P3 0 Viewing electrode data Program 3 has two view only options that lets you check the electrode parameters for dia...

Page 17: ...Notes Meter default is set for Ready indicator on and auto endpoint function off 33 32 P4 0 Unit configuration P4 1 READY indicator and auto endpoint function Program P4 1 lets you select READY indic...

Page 18: ...12 45 NIST buffers pH 1 68 4 01 6 86 9 18 12 45 DIN buffers pH 1 09 3 06 4 65 6 79 9 23 12 75 5 Press the ENTER key to confirm selection and to return to the subgroup menu Press the CAL MEAS key to re...

Page 19: ...ly The AP72 meter features a real time calendar and clock This helps you meet GLP Good Laboratory Practice standards 8 7 A B From measurement mode 1 Press Setup key to enter Set Up mode 2 Press the an...

Page 20: ...eturn to measurement mode A B 11 Press the ENTER key to confirm the date and move to hour selection The hour digits will flash See figure 12 Press the and keys to toggle to the correct hour Note the A...

Page 21: ...olution to store your electrode Also you can store in a pH 4 buffer with 1 100 part of saturated KCl Other pH buffers are OK for storage but NEVER use distilled water for storage After measuring 1 Rin...

Page 22: ...y eliminate the error message See figure If error persists or the meter shows incorrect values return the meter For a complete diagram of the display see page 5 ERR 1 in primary display A A 10 Trouble...

Page 23: ...USA buffers pH 1 68 4 01 7 00 10 00 12 45 NIST buffers pH 1 68 4 01 6 86 9 18 12 45 DIN buffers pH 1 09 3 06 4 65 6 79 9 23 12 75 Temperature Offset in 0 1 C increments mV Offset up to 150 mV Memory A...

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