Apera Instruments 28APE190350/AI31020 User Manual Download Page 13

12 

 

15 

What’s in the box 

 

 

                             
                      

 

16  Accessories 

•  pH buffer Kit (pH4/7, 250ml, each), item AI1113 
•  pH buffer Kit (pH4/7/10, 250ml, each), item AI1115 
•  3M KCl storage solution 250ml, item Al1107 
•  GS2-E Soil pH Probe, item Al58020 

 

17  Warranty 

How Long Does the Coverage Last? 

Apera Instruments® (Apera) warrants the GroStar™ Premium GS2 Soil pH Pen Tester 

(Product) for a period of 24 months for the instrument and 12 months for the probe from date 

of purchase by original purchaser or consumer. Proof of purchase 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 instruction manuals. If Apera is provided with valid 

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 new or refurbished Product. 

What is NOT Covered? 

Laynard 

 

4.00 pH Solution 

7.00 pH 

Solution 

Soaking 

Solution 

Dibber 

Cleaning Brush 

GS2 Soil pH Pen 

Summary of Contents for 28APE190350/AI31020

Page 1: ...GroStar GS2 Premium Soil pH Pen Tester User Manual APERA INSTRUMENTS Europe GmbH www aperainst de...

Page 2: ...for the horticultural 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...

Page 3: ...the backlight Start calibration In calibration mode press to cancel calibration Switch between F and C Swiss LabSen Spear Soil pH Probe Backed by Apera s proprietary sensor technology from Switzerland...

Page 4: ...H Calibration 3 1 Power on the pen and remove the probe cap Always calibrate 7 00 pH first 3 2 Rinse the probe with clean water and shake off excess water then submerge it in the 7 00 pH standard buff...

Page 5: ...f a discrepancy is found then it s time to calibrate again 3 6 If the calibration fails the screen will turn red For details see Section 13 Troubleshooting Guide Always perform at least a 2 point pH c...

Page 6: ...the white PTFE junction ring using the cleaning brush Avoid brushing the spear glass tip After cleaning shake off excess water For details of probe cleaning refer to Section 8 5 6 Repeat Step 5 2 to...

Page 7: ...cap Rinse the probe in the water bucket and shake dry 6 8 Submerge the probe into the soil solution shake for a few seconds and wait for the reading to fully stabilize Then record the reading 6 9 Aft...

Page 8: ...robe in Apera s cleaning solution or detergent water for 30 minutes Then use a soft brush to remove the contaminants Afterwards soak the probe in 3M KCL soaking solution for 1 hour Rinse it off then r...

Page 9: ...w probe make sure to align the connector s position properly and screw on the probe ring pH probes don t last forever Every pH probe will eventually age and fail even if you don t use it that often Th...

Page 10: ...fic instrument manufacturers Contaminated probe Clean the probe with Apera s cleaning solution or detergent water Aged probe Replace the probe Dried out probe Soak the probe in the 3M KCl soaking solu...

Page 11: ...or consistent Contaminated probe After each measurement make sure to use a soft brush with water to clean off all the dirt on the probe especially the white PTFE junction ring Avoid wiping or rubbing...

Page 12: ...10 pH 10 01 solution sold separately Unit pH F C Power supply 4 AAA alkaline batteries Backlight White measurement Green calibration Red errors Reading hold Manual Warranty Two years for the instrumen...

Page 13: ...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...

Page 14: ...horized distributor or reseller How Do 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 Acknowledgmen...

Page 15: ...MAINING PROVISIONS OF THE WARRANTY SHALL REMAIN 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...

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