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Instruction manual 

for 

No. 6400-00 Handy type pH meter 

Model SK-620PH 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

No. 3 Nishi-Fukudacho, Kanda, Chiyodaku, Tokyo 101-0037 Japan 

URL: http://www.sksato.co.jp/english/ 

 
 
 
 

M.09 

 

Summary of Contents for 6400-00

Page 1: ...Instruction manual for No 6400 00 Handy type pH meter Model SK 620PH No 3 Nishi Fukudacho Kanda Chiyodaku Tokyo 101 0037 Japan URL http www sksato co jp english M 09...

Page 2: ...pH meters The solutions are not for drinking Never try to drink it If accidentally ingested consult a doctor immediately For any other inquiries contact the store where you purchased the instrument or...

Page 3: ...functions Main unit 1 Display Displays measurement readings or status of the unit 2 PWR key Press this key to turn on the unit To turn off the unit press the key again 3 CAL key Enters the calibration...

Page 4: ...plug LCD 12 Display of pH or mV Displays pH values or mV values in the measurement mode Display the calibration values in the calibration mode 13 Display of temperature Displays temperature values in...

Page 5: ...he SK 620PH be sure to observe the followings This is a precision instrument Be careful not to drop or knock it The operating temperature range for this instrument is 0 to 50 C and a relative humidity...

Page 6: ...ndard solution before use Do not turn on the unit during this immersion time The sensor probe electrode of this unit may be damaged or its useful life may be shortened if it is used for liquids such a...

Page 7: ...bottle which contains the phthalate pH standard solution Remove the protection bottle before measuring Reinstall the protection bottle after measurement 1 Removing the glass electrode protection bottl...

Page 8: ...auto power off Note Auto power off is no longer cancelled once the unit is turned off Perform the auto power off canceling each time as necessary Calibration mode By performing the 3 point calibratio...

Page 9: ...dicate that the calibration data has been stored in the unit memory Now the pH 4 calibration is complete 8 The unit automatically proceeds to the pH 7 calibration Wash the glass electrode with water d...

Page 10: ...ature value will be displayed For details of the error codes refer to Troubleshooting Relation between pH value and temperature When performing calibration set the pH value according to the temperatur...

Page 11: ...e factory 2 Inspection and calibration For an accurate pH measurement perform calibration using the pH standard solution If there is a deviation from the expected value adjust it before performing a p...

Page 12: ...nsert the AC adapter plug into the AC adapter jack on the unit If an AC adapter other than the one provided by us is used choose one that meets the specifications described below Primary output Voltag...

Page 13: ...th new battery Installing and replacing battery The power to the unit is turned off The auto power off is turned on Cancel the auto power off on the main unit Before measuring Error code pH display se...

Page 14: ...with temperature Readings are abnormal The battery have run out Replace with new battery Installing and replacing battery The glass electrode of the sensor probe is dirty Wash the glass electrode Abou...

Page 15: ...ower than 80 rh no condensing Battery Life About 20 hours continuous Materials Case ABS resin Electrode Glass Probe Epoxy resin Dimensions Main unit W 72 H 182 D 31 5mm Probe 12 x 135mm L cord length...

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