Apera Instruments 28APE19351/AI11030 User Manual Download Page 1 | Manualshive

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GroStar™

GS3 Premium EC Pen Tester

User Manual

APERA INSTRUMENTS (Europe) GmbH

www.aperainst.de

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Summary of Contents for 28APE19351/AI11030

Page 1: ...GroStar GS3 Premium EC Pen Tester User Manual APERA INSTRUMENTS Europe GmbH www aperainst de ...

Page 2: ... market 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 crops success 1 Main Features Premium titanium alloy conductivity probe measures EC ppm 500 700 all in one unit with minimal maintenance Easy to use design and quick 1 point calibration adjustment 3 ...

Page 3: ...rmal practice and should not be attributed to used product The fill line shows the level to which you should pour the soaking solution or sample solution For details of probe storage see Section 7 Short Press Long Press 1 Power on 2 Manual hold Press again to cancel hold Power off In measurement mode press to turn on off the backlight Start calibration Switch mode EC 500ppm 700ppm Switch between F...

Page 4: ...onds to remove potential air bubbles then let it stand 3 2 Hold until screen turns green The pen starts automatic calibration Wait for Good to show up in 10 15 seconds indicating the calibration is completed then the pen returns to measurement mode Short press any key while calibrating in green screen to cancel calibration and return to measurement 3 3 icon will show up on the lower left corner in...

Page 5: ...rical conductivity is a measure of the nutrients in the solution Low conductivity implies a low nutrient concentration which usually results in nutritional deficiencies and slow growth rates of your plants A higher conductivity is more food for your plants However be careful of very high levels as delicate plants cuttings and seedlings can experience fertilizer burn if the conductivity is excessiv...

Page 6: ...asurement with clean water in a container or with a wash bottle 6 2 For tough contaminants remove the sensor shield soak the probe in Apera s cleaning solution or detergent water for 30 minutes Then use a soft brush to remove the contaminants Afterwards rinse it off then re calibrate the tester before using again 7 Probe Storage 7 1 Under regular usage daily or weekly use as long as there are some...

Page 7: ...e probe ring Probes don t last forever Every probe will eventually age and fail even if you don t use it that often The typical service life of GroStar probes is 18 24 months depending on the frequency of usage and how well you keep it clean and properly stored We recommend replacing your probe at least every 18 months to ensure the best accuracy The nice thing about GroStar pens is that you can j...

Page 8: ...e 1 year probe warranty contact your point of purchase for warranty fulfillment If there is visible damage or the probe is more than 1 year old replace the probe Reading keeps jumping Probe is not fully submerged in the solution Make sure the probe is fully 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 n...

Page 9: ...ppm 500ppm 40ppm 700ppm 1 C 1 F Temperature compensation Automatic Calibration automatic 1 point 2 77 EC Unit EC 500ppm 700ppm F C Power Supply 4 AAA alkaline batteries Backlight White measurement Green calibration Red errors Reading hold Manual Warranty Two years for the instrument one year for the probe EC probe Titanium alloy Successful calibration indicators M 2 77 EC Low battery reminder Wate...

Page 10: ...se is required for the warranty to be effective store sales receipt for Product showing model number payment and date of purchase This warranty is non transferable and terminates if the original purchaser consumer sells or transfers the Product a third party What is Covered Apera warrants the Product against defects in material and workmanship when used in a normal manner in accordance with Apera ...

Page 11: ... You Get Service To begin a warranty claim you must return the Product to the point of purchase with valid proof of purchase Limitation of Liability Acknowledgments TO THE MAXIMUM EXTENT PERMITTED BY LAW THIS WARRANTY AND THE REMEDIES SET OUT ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES GUARANTEES AND REMEDIES ORAL OR WRITTEN EXPRESS OR IMPLIED EXCEPT AS PROVIDED IN THIS WARRANTY AND TO...

Page 12: ...IN FULL FORCE AND EFFECT Governing Law Authority This warranty is governed by the laws of the state of country where Product is purchased without regard to its choice of law principles Except as allowed by law Apera does not limit or exclude other rights a consumer may have with regard to the Product No Apera distributor employee or agent is authorized to modify extend or otherwise change the term...

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