Apera Instruments 28APE190349/AI11010 User Manual Download Page 1 | Manualshive

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GroStar™

GS1 Premium pH Pen Tester

User Manual

APERA INSTRUMENTS (Europe) GmbH

www.aperainst.de

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Summary of Contents for 28APE190349/AI11010

Page 1: ...GroStar GS1 Premium pH Pen Tester User Manual APERA INSTRUMENTS Europe GmbH www aperainst de...

Page 2: ...rket Since 1991 Apera instruments has been dedicated to providing hi tech accurate lab grade instruments and sensors GroStar s intelligent design reduces the guesswork so you can easily manage your cr...

Page 3: ...s the level to which you should pour the soaking solution or sample solution For details of probe storage see Section 7 Premium pH Probe Built with low resistance lithium glass membrane with double ju...

Page 4: ...e in 3M KCL soaking solution for 5 minutes before use 2 5 If the tester hasn t been used for a long time over 1 month please soak the probe in the 3M KCL soaking solution for at least 1 hour then cali...

Page 5: ...up to the right of Calibrating pH 10 is usually not necessary unless your estimated target pH is greater than 8 0 pH 3 5 will disappear in 30 days after calibration reminding you to recalibrate the te...

Page 6: ...1 If necessary you can manually hold lock the reading by short pressing Press it again to cancel the hold 5 2 Long press to switch temp unit between F and C 5 3 The tester will automatically power off...

Page 7: ...store the probe in it Close the probe cap tightly with the O ring If you find white crystals inside or outside the probe cap it is perfectly normal It is the 3M KCL soaking solution that crystalizes...

Page 8: ...as it will cause greater measurement error and damage to the probe Test your samples and perform calibration close to room temperature as much as possible 10 4 Never test oily liquids 10 5 Make sure...

Page 9: ...ully immersed in the solution at least 1 inch deep Air bubbles around the sensor Make a quick stir in the solution to remove air bubbles Probe is not properly connected or the pin connector is broken...

Page 10: ...alkaline batteries Backlight White measurement Green calibration Red errors Reading hold Manual Warranty Two years for the instrument one year for the probe pH probe Low resistance lithium glass membr...

Page 11: ...proof of purchase as defined above and determines the Product is defective Apera may in its sole discretion either a repair the Product with new or refurbished parts or b replace the Product with a n...

Page 12: ...D HAS NOT MADE ANY EXPRESS OR IMPLIED WARRANTY OR OTHER REPRESENTATION REGARDING THE PRODUCT AND DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT PERMITTED B...

Page 13: ...12 APERA INSTRUMENTS Europe GmbH Wilhelm Muthmann Stra e 18 42329 Wuppertal Germany Contact info aperainst de Website www aperainst de Tel 49 202 51988998...

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