General DPH230SD User Manual Download Page 15

WARRANTY  INFORMATION

General Tools & Instruments’ (General’s) DPH230SD pH Meter with Datalogging SD Card is
warranted to the original purchaser to be free from defects in material and workmanship.
Subject to certain restrictions, General will repair or replace this instrument if, after
examination, the company determines it to be defective in material or workmanship for a
period of one year.

This warranty does not apply to damages that General determines to be from an attempted
repair by non-authorized personnel or misuse, alterations, normal wear and tear, or
accidental damage. The defective unit must be returned to General Tools & Instruments or
to a General-authorized service center, freight prepaid and insured.

Acceptance of the exclusive repair and replacement remedies described herein is a
condition of the contract for purchase of this product. In no event shall General be liable for
any incidental, special, consequential or punitive damages, or for any cost, attorneys’ fees,
expenses, or losses alleged to be a consequence of any damage due to failure of, or defect
in any product including, but not limited to, any claims for loss of profits.

RETURN FOR REPAIR POLICY

Every effort has been made to provide you with a reliable product of superior quality.
However, in the event your instrument requires repair, please contact our Customer Service
to obtain an RGA (Return Goods Authorization) number before forwarding the unit via
prepaid freight to the attention of our Service Center at this address:

Remember to include a copy of your proof of purchase, your return address, and your
phone number and/or e-mail address.

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Summary of Contents for DPH230SD

Page 1: ...METER WITH DATALOGGING SD CARD Please read this manual carefully and thoroughly before using this product 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at...

Page 2: ...Calibrating the pH Electrode 7 8 Normal Operation 8 9 Holding and Storing Measurements 9 Automatic vs Manual Datalogging 10 Transferring Data from an SD Card to a Computer 11 12 Specifications 13 Mai...

Page 3: ...enables rapid switching between the two measurement modes Measurement accuracies are 0 02 pH units 2 digits for pH readings and 0 5 of the reading 2 digits for ORP readings Because it is microprocess...

Page 4: ...obe that enables automatic temperature compensation ATC of pH electrodes an ORP electrode pH 4 and pH 7 buffer solutions and a 9VDC adapter for a 110V power supply See the Optional Accessories section...

Page 5: ...splay has stabilized perform the following eight setup steps in the order presented 3 Format the SD card LOGGER SET button callout 1 8 and hold it for at least five seconds until Sd F appears in the l...

Page 6: ...time Once the date and time have been set and stored the display will show a value below the letters SP t Press the or button to decrease or increase the flashing hour value until the desired number...

Page 7: ...setup procedure and enter normal operating mode CALIBRATING THE pH ELECTRODE The optional pH electrode you are using must be calibrated before making pH measurements with it for the first time The ele...

Page 8: ...en repeating the above steps at least twice more 11 To recalibrate the electrode in the future you must clear the existing settings To do so press the or button until this screen appears Then press th...

Page 9: ...solution under test Gently shake the head of the electrode to help any air bubbles escape and to ensure an accurate reading The display will show the ORP of the solution in mV Whenever the DPH230SD is...

Page 10: ...ep 5 of the setup procedure Then press the REC ENTER button once The display will show the term REC on the top line a value in the middle and below it the letter P on the left and a number from 1 to 9...

Page 11: ...either directly if it has an SD card slot or through an SD card reader Because the files containing time stamped data logs have the file extension xls they open in Microsoft s Excel application Figur...

Page 12: ...12 Fig 5 Typical Excel mixed data graphics screen Fig 4 Typical Excel graphics only screen...

Page 13: ...probe Storable recallable readings Maximum minimum Datalogging sampling time Settable between 1 second and 8 hours 59 minutes 59 seconds in automatic datalogging mode SD card capacity 1 GB to 16 GB S...

Page 14: ...requires removing the two screws that hold the battery compartment cover in place as explained in Step 1 of the setup procedure on page 5 After inserting fresh batteries in the correct orientation ti...

Page 15: ...ed Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product In no event shall General be liable for any incidental speci...

Page 16: ...ut notice 2010 GENERAL TOOLS INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN DPH230SD 12 07 10 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431...

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