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EDT directION GP353, User Manual

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Table of Contents

Section 1 - 

Introduction and Set Up

Section 2 - 

pH Calibration & Measurement

Section 3 - 

mV Calibration & Measurement

Section 4 - 

Use of the Recorder Output

Section 5 - 

Troubleshooting

Section 6 - 

Specification

Appendix 1 - 

pH Electrodes & Buffers

GP353 

- General Purpose pH Meter - Users Manual

Summary of Contents for GP353

Page 1: ... Set Up Section 2 pH Calibration Measurement Section 3 mV Calibration Measurement Section 4 Use of the Recorder Output Section 5 Troubleshooting Section 6 Specification Appendix 1 pH Electrodes Buffers GP353 General Purpose pH Meter Users Manual ...

Page 2: ...mining and removing contents save packing material in the event that re shipment be necessary The following items are packed in the box GP353 Meter E8050 Temperature Probe E8060 Electrode Stand AC Adapter 9V Battery pH Buffers 4 7 10 Operator s Manual Setting Up AC Operation Only use the approved power adaptor supplied Check that the adaptor is the correct voltage for your power supply Plug the ad...

Page 3: ...ready for calibration A Note on Electrodes Combination pH electrodes reference and sensing electrode in one body or two half cells reference and sensing electrodes separate may be used with the GP353 Combination or pH half cells should have a BNC terminal and be connected to the socket marked pH input at the back of the meter Reference half cells should have a 4mm bunched terminal and be connected...

Page 4: ...ing Manual Temperature Compensation If use of a temperature probe is inappropriate e g small sample size then it is possible to use manual temperature compensation 1 Disconnect temperature probe 2 Measure the temperature of the buffer with a thermometer 3 Switch to C mode and adjust the reading to the correct value using the Temp C control 4 Refer to the temperature chart on the buffer or see Appe...

Page 5: ... 60mV 4 mV values relative to the standard solution may now be taken by immersing in the sample and recording the reading Use of the recorder output 1 Connect the recorder via the red and black 4mm sockets on the back panel Red positive Black negative 2 Ensure that the recorder is set for the appropriate range as shown below MODE RANGE mV DISPLAY RECORDER pH 0 200 7 00pH 70 0mV mV 200 500mV 50 0mV...

Page 6: ... Reference filling solution contaminated Buffers contaminated Erratic drifting readings or display reads on left hand side when shorting plug is attached Return meter for servicing pH Range 2 to 19 99 pH Resolution 0 01pH pH Accuracy 0 02pH Temperature Compensation 0 100 C Manual Calibration 2 points at any value mV Range 2000mV mV Resolution 1mV mV Accuracy 2 1 digit C Range 100 to 200 C C Resolu...

Page 7: ...electrode storage solution is made up by dissolving 1g KCl in 100mL of pH 7 buffer pH Buffers Buffer Capsules Buffer capsules are made up as follows For each buffer empty the powder into a suitable container Using deionised water make up to 100mL ensuring that the powder is filly dissolved before use The coloured outer skin may be added to colour code the resulting buffer This may take up to 4 hou...

Page 8: ...re information on our products please visit our website www edt co uk EDT directION Unit 5 Waldershare Park Dover CT15 5DQ Telephone 01304 829960 Email sales edt co uk Company No 04135318 VAT No GB 765175410 ...

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