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Section 7 

Specifications 

pH Range/Resolution 

pH Accuracy 

Temperature Compensation 

Auto Calibration 

Manual Calibration 

mV Range/Resolution 

mV Accuracy 

Relative m V 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 10 

2 points at any value 

±400.0 & ±2000 mV 

±2%±1 digit 

±2000mV 

400mV 

-30.0 to+ 130.0

°

C

±0.3

°

±200mV 

I0µA 

12.7mm LCD 

9V Batte1y or AC 

210 x 150 x 881mn 

550g 

13 

Summary of Contents for RE357

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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