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Related Manuals for Apera Instruments Gro Star AI104G
Summary of Contents for Apera Instruments Gro Star AI104G
- Page 1 aperainst.com AI104G GS4 Premium pH/EC/ppm Combo Pen (Gen II) User Guide...
- Page 2 Lab-Grade Instruments Designed For Growers Scan to watch the video tutorial...
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Page 3: Table Of Contents
Lab-Grade Instruments Designed For Growers page Main Features Preparation Before First Use pH Calibration pH Measurement EC Calibration EC/500ppm/700ppm Measurement Other Functions TruRead Measurement Mode Reading Hold Auto. Power Off Temperature Unit Switch ORP Measurement Probe Cleaning Probe Storage Battery Replacement Probe Replacement Notes Troubleshooting Guide... -
Page 4: Main Features
GS4 Premium pH/EC/ppm Combo Pen (Gen II). This premium pen has been designed specifically for the horticultural market. Since 1991, Apera Instruments has been dedicated to providing advanced lab-grade instruments and sensors. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success. -
Page 5: Preparation Before First Use
Lab-Grade Instruments Designed For Growers Preparation Before First Use Pull out the battery insulation slip, and take off the probe cap. Rinse the probe in clean water, then shake with excess water. Calibrate pH and EC. For calibration tutorial, see Section 3 and Section 4. If you find the probe cap is dried out, soak the probe in 3M KCL soaking solution for 5 minutes before use. -
Page 6: Ph Calibration
Lab-Grade Instruments Designed For Growers pH Calibration Rinse the probe with clean water and shake off excess water, then submerge it in the 7.00 pH standard buffer; Shake the probe in the solution vial for a few seconds and let it stand. Hold until screen turns green. -
Page 7: Ph Measurement
Lab-Grade Instruments Designed For Growers If the calibration fails, the screen will turn red. For details, see Section 13 Troubleshooting Guide. Always perform at least a 2-point pH calibration to ensure accuracy. Start with pH 7, followed by pH 4 immediately. If you happened to turn off the pen before calibrating pH 4, you need to start with pH 7 again after rebooting the pen, then pH 4. -
Page 8: Ec/500Ppm/700Ppm Measurement
Lab-Grade Instruments Designed For Growers will show up on the lower left corner indicating a successful calibration. disappears in 30 days after calibration to remind you to re-calibrate EC. We recommend calibrating the EC once every month to ensure the accuracy. If you feel like the accuracy might be off, simply test the standard solution (make sure the solution is fresh and clean). -
Page 9: Other Functions
Lab-Grade Instruments Designed For Growers Other Functions Short press to enter TruRead mode. As you are testing, the pen automatically records measurements after each reading is stabilized for 7 seconds ("01" will show up at the bottom right to indicate the 1st set of data is recorded). After you finish all the testing, short press again to check the average, maximum, and minimum values of all the recorded measurements. -
Page 10: Probe Cleaning
Lab-Grade Instruments Designed For Growers Probe Cleaning The tester is only as accurate the probe is clean. Always thoroughly rinse the probe before and after each measurement with pure water or with a wash bottle (tap water is ok. Ideally use RO or distilled water). -
Page 11: Battery Replacement
Lab-Grade Instruments Designed For Growers Battery Replacement ① Loosen the battery cap lock. ② Pull off the battery cap . ③ Slide the battery cover along the OPEN arrow to open the cover. ④ Open the battery cover. ⑤ Insert the batteries (ALL POSITIVE SIDES FACING UP). ⑥... -
Page 12: Probe Replacement
Lab-Grade Instruments Designed For Growers Probe Replacement Twist off the probe ring, unplug the old probe; plug in the new probe (make sure to align the connector's position properly), then twist on the probe ring. pH probes are technically chemical batteries, hence don’t last forever. Every pH probe will eventually age and fail even if you don't use it. -
Page 13: Troubleshooting Guide
Lab-Grade Instruments Designed For Growers Troubleshooting Guide Trouble Reason How to fix Power on the tester, calibrate pH7 first, then pH4. After pH4 is Incorrect calibration order calibrated, if you want to calibrate pH7 again, you need to reboot the tester. Poor quality standard Replace with fresh and clean standard calibration solutions made solutions... -
Page 14: Technical Specs
Lab-Grade Instruments Designed For Growers Technical Specs 0.0-14.0 pH, 0-10.0 EC, Range 0-7000ppm (700ppm), 0-5000ppm (500ppm), 0-50℃ (32-122 ℉ ) Resolution 0.1 pH，0.1 EC, 10 ppm (700ppm), 10ppm (500ppm), 0.1℃ /0.1 ℉ ±0.1 pH，±0.1 EC, ±30 ppm (500ppm) Accuracy ±40ppm (700ppm) ±0.1℃... -
Page 15: Accessories
Lab-Grade Instruments Designed For Growers Accessories pH Calibration Kit pH Calibration Kit (pH 4/7/10, 16oz. each (pH 4/7/10, 16oz. each & CalPod Solution Organizer) & CalPod Solution Organizer) SKU: AI1114 SKU: AI1116 2.77 EC Standard Calibration Solution Replacement Probes Probe Care Kit SKU: AI1170 GS4-E pH/EC GS2-E... -
Page 16: Limited Warranty
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 REPRESENTATION REGARDING THE PRODUCT, AND DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT PERMITTED BY LAW.
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