EDT RE357 Скачать руководство пользователя страница 5

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Figure 3. Front Panel

Calibration Keys�Alter displayed reading

Enters displayed value as calibration data

Clears Calibration data when pressed/or

Selects m V Mode

Selects pH Mode

Transmits data to printer (fx Version). On RE357

labelled Hold andji-eezes the reading.

Selects

°C

Mode

Содержание RE357

Страница 1: ...test Section 2 6 pH Calibration Measurement Section 3 8 mV Calibration Measurement Section 4 8 Use ofthe Recorder Output Section 5 9 Use with a Printer or Computer Section 6 11 Troubleshooting Sectio...

Страница 2: ...ct ION Ltd or your agent When you receive the shipment inspect the container for any signs ofdamage Note any evidence ofrough handling in transit Imme diately report any damage to the agent Note The c...

Страница 3: ...into the power socket at the back ofthe meter then connect to the AC supply Battery Installation Approximately 24 hours ofcontinuous use is afforded by the 9V batte1y The BAT flag appears on the disp...

Страница 4: ...ge 0 0 to 19 0 C and is adjustable i e responds to the use ofthe G iJ keys Adjust to 20 0 C The meter is ready for calibration pH ION INPVT FIEf v W kARL FISCHER Iv v I D C INfflT 9V O SW TEMP RS 232...

Страница 5: ...Alter displayed reading Enters displayed value as calibration data Clears Calibration data whenpressed or 5 s Selects mV Mode SelectspH Mode Transmits data toprinter fx Version On RE357 labelled Hold...

Страница 6: ...he Enter key The fist calibration point will now be entered automati cally at the correct value for the temperature ofmeasure ment The Cal flag will be displayed 0 Rinse blot and place the pH electrod...

Страница 7: ...e CAL flag will flash Press Enter the CAL flag will stop flashing Manual Temperature Compensation Ifthe use ofa temperature probe is inappropriate e g small sample size then manual temperature compens...

Страница 8: ...Follow the procedure for Absolute mV from Oto 0 8 Immerse electrode s in the standard or blank solution Wait for a stable reading and press Enter The display will automatically zero and the CAL flag...

Страница 9: ...intout ofthe displayed reading and temperature only 0 To obtain a printout ofother parameters for the same sam ple press the Mode key and then the Send key To print a new identifier press and hold dow...

Страница 10: ...F pH 7 06CR LF T 15 8 CCR LF mV 0 2mV CRLF 2CRLF Second calibration point _________________ PR Send Probe Status Data Command PR Sl 95 3 NERNSTCRLF E0 5 2mVCR LF RD Send Current Readings Command RD pH...

Страница 11: ...c readings or Electrodes disconnected display reads on left hand Electrodes not immersed in solu side tion Reference electrode not filled Referencejunction dry Drifting readings Inconsistent or lack o...

Страница 12: ...or buffers Electrodes out of solution In the event ofa malfunction it is important to pinpoint the prob lem to either the meter or the cell Ifa spare cell is available sub stitute it for the one in us...

Страница 13: ...Relative mV offset Auto Range change at C Range Resolution C Accuracy Recorder Output Karl Fischer Output Display Power Instrument Size Instrument Weight 0 00 to 15 00 0 02pH 0 100 C 2 points 4 7 or...

Страница 14: ...H storage solution in the protective cap and place over the glass bulb Never store the elech ode in distilled or de ionised water Never allow the elech ode to dry out pH electrode storage solution is...

Страница 15: ...mperature coefficient information Table of Temperature Coefficients For EDT Buffers oc pH4 pH 7 pH 10 10 3 99 7 07 10 I8 15 4 00 7 04 10 14 20 4 00 7 02 10 06 25 4 00 7 00 10 00 30 4 00 6 99 9 95 35 4...