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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

Appendix 1 - 

pH Electrodes & Buffers

Section 6 - 

Specification

FE257 

- Advanced portable pH meter - Users Manual

Summary of Contents for FE257

Page 1: ...et Up Section 2 pH Calibration Measurement Section 3 mV Calibration Measurement Section 4 Use of the Recorder Output Section 5 Troubleshooting Appendix 1 pH Electrodes Buffers Section 6 Specification...

Page 2: ...t Note The carrier will not honour any claims unless all shipping material is saved for their examination After examining and removing contents save packing material in the event that re shipment be n...

Page 3: ...ue in the range 0 0 to 19 0 C and is adjustable i e responds to the use of the keys Adjust to 20 0 C 6 The meter is ready for calibration A Note on Electrodes pH Ion Selective and Redox electrodes may...

Page 4: ...ust the E value of the electrode place in buffer 4 7 or 10 and press the BUF 1 key Note The performance of the electrode may be monitored by pressing the SLOPE key The slope is displayed as a of Nerns...

Page 5: ...i e Section 3 mV Calibration and Measurement The mV mode has two ranges The meter will automatically select the most appropriate range as follows 0 to 400mV with resolution 0 1mV 400mV to 2000mV with...

Page 6: ...n left hand digit Over range condition Drifting readings Erratic drifting readings or display reads on left hand side when shorting plug is attached Section 5 Troubleshooting Probable Cause Battery is...

Page 7: ...electrode storage solution is made up by dissolving 1g KCl in 100mL of pH 7 buffer Buffer Capsules Buffer capsules are made up as follows For each buffer empty the powder into a suitable container Usi...

Page 8: ...e 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 765...

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