Related Manuals for Apera Instruments GroStar GS3
Summary of Contents for Apera Instruments GroStar GS3
- Page 1 GroStar™ GS3 Premium EC Pen Tester User Manual APERA INSTRUMENTS (Europe) GmbH www.aperainst.de...
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Page 2: Table Of Contents
Thank you for choosing the Apera GroStar™ GS3 Premium EC Pen Tester. This premium pen has been designed specifically 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 can easily manage your crops success. - Page 3 3-Color LCD Screen Short Press Long Press • White for measurement mode 1. Power on • Green for calibration mode 2. Manual hold • Red for calibration error Power off Press again to cancel hold. stands for stabilized measurement Start mode, press to reading calibration...
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Page 4: Preparation Before First Use
Preparation Before First Use Pull out the battery insulation slip, and take off the probe cap. Rinse off the probe in clean water, then shake off excess water. Calibrate EC at 2.77 EC. For calibration tutorial, refer to Section 3. EC Calibration Power on and remove the probe cap. -
Page 5: Ec/500Ppm/700Ppm Measurement
the standard solution (make sure the standard is fresh and clean). If the reading is greater than 2.8 EC or smaller than 2.7 EC, then it’s time to calibrate again. If the calibration fails, the screen will turn red. For details, see Section 11 Troubleshooting Guide. -
Page 6: Probe Cleaning
The tester will automatically power off if there is no operation within 10 minutes. If you want to turn off/on the Auto. Power Off function, power off the tester, and then hold for 5 seconds until you see Auto Off or Auto On. Then it will power on and go to measurement mode automatically. -
Page 7: Battery Replacement
Battery Replacement ① Pull up the battery cap (might take some force). ② Slide the battery cover along the OPEN arrow to open the cover. ③ Open the battery cover. ④ Insert the batteries (ALL POSITIVE SIDES FACING UP). ⑤ Press down the battery cover and hold it. ⑥... -
Page 8: Troubleshooting Guide
11 Troubleshooting Guide Trouble Reason How to fix Replace with fresh and clean standard calibration Poor quality standard solutions made by legitimate scientific instrument solutions manufacturers. Clean the probe with Apera’s cleaning solution or Contaminated probe detergent water. Aged probe Replace the probe. -
Page 9: Technical Specs
Out of range reminder for EC Out of range reminder for temperature 12 Technical Specs 0 to 10.0 EC, 0 to 7000ppm (700ppm), Range 0 to 5000ppm (500ppm), 0 to 50˚C (32 to 122˚F) Resolution 0.1 EC, 10ppm (700ppm), 10ppm(500ppm), 0.1˚F/0.1˚C ±0.1 EC ±30ppm (500ppm) Accuracy... -
Page 10: What's In The Box
Warranty How Long Does the Coverage Last? Apera Instruments® (Apera) warrants the GroStar™ GS4 Premium pH/EC Combo 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). - Page 11 PROFITS, PERSONAL INJURY OR PROPERTY DAMAGE. IT IS UNDERSTOOD AND AGREED BY CONSUMER UPON PURCHASE OF A PRODUCT THAT, EXCEPT AS STATED IN THIS WARRANTY, APERA INSTRUMENTS IS NOT MAKING AND HAS NOT MADE ANY EXPRESS OR IMPLIED WARRANTY OR OTHER...
- Page 12 Product. No Apera distributor, employee or agent is authorized to modify, extend, or otherwise change the terms of this warranty. APERA INSTRUMENTS (Europe) GmbH Wilhelm-Muthmann-Straße 18 42329 Wuppertal, Germany Contact: info@aperainst.de...
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