Apera Instruments Premium Series User Manual
Spear ph tester
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Summary of Contents for Apera Instruments Premium Series
- Page 1 Premium Series PH5S Spear pH Tester User Manual APERA INSTRUMENTS (Europe) GmbH www.aperainst.de v7.7...
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Page 2: Table Of Contents
Thank you for purchasing Apera Instruments PH5S Premium Spear pH Tester. Please read this manual before use in order to properly use and maintain the product. For video tutorials, please go to support.aperainst.de Table of Contents What’s in the Kit ........................3 Keypad Functions ........................ -
Page 3: What's In The Kit
What’s in the Kit PH60S Tester Calibration Vials Keypad Functions Short press: < 2 seconds Long press: > 2 seconds 1. Short press to turn on the tester and long press to turn Battery cap off the tester. When turned off, long press to enter parameter setting. -
Page 4: Preparation Before Use
Preparation Before Use Pull out the battery insulation slip, and take off the probe cap. Rinse off the probe in pure water (preferably distilled or deionized water. RO water or tap water is the alternative), then shake off excess water (see graph on the right). Perform at least a 2-point calibration. -
Page 5: Ph Measurement
replace the buffer solutions in the calibration vials with new ones to keep the accuracy. Keeping the freshness and cleanliness of calibration buffers is essential for accurate pH measurement. The tester can perform 1 to 3 points of automatic calibration and can recognize 5 types of pH standard solutions. -
Page 6: Probe Storage
For tough contaminants, detach the sensor shield, soak the probe in Apera probe cleaning solution (AI1166) 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 at least 1 hour. Rinse it off, then re-calibrate the tester before using again. -
Page 7: Orp Measurement
■ Alarm triggered when measurement ≤ 3.20 pH: Preset lowest value (P2) = 3.20 pH, highest value (P3) = 14.00 pH, when measured value ≤ 3.20 pH (stable displays on screen); screen turns red. ■ Alarm triggered when measurement ≥ 8.60 pH: Preset highest value (P3) = 8.60 pH, lowest value (P2) = 0.00 pH, when measured value ≥... -
Page 8: Other Specifications
1-2 years depending on many factors such as frequency of use, nature of test samples, and how well it is maintained, etc. Apera Instruments recommends replacing the pH probe every 1 to 2 years to guarantee the optimal performance. -
Page 9: Notes
13 Notes a) Avoid testing in very high (>113°F) or very low (<41°F) temperature solutions as it will cause greater measurement error and potential damage to the probe. Test your samples and perform calibration close to room temperature as much as possible. b) Never use your finger to touch the glass membrane or use other material to rub it. -
Page 10: Troubleshooting Guide
Troubleshooting Guide Reason How to fix Trouble Pressing too soon Wait for to stay on screen before pressing (showing Incorrect standard Reboot tester, calibrate pH 7 first, then pH 4. For solutions details refer to Section 4.2 (a). (showing Poor quality standard Replace with fresh and clean standard calibration solutions solutions made by legitimate scientific instrument... - Page 11 Probe is not fully Make sure the probe is fully immersed in the submerged in the solution solution at least 1 inch. Air bubbles around the Make a quick stir in the solution to remove air sensor shield bubbles. Reading keeps jumping Check the probe’s connector, make sure it’s not Probe is not properly...
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Page 12: Warranty
We warrant this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge, at option of APERA INSTRUMENTS (Europe) GmbH, any malfunctioned or damaged product attributable to responsibility of APERA INSTRUMENTS (Europe) GmbH for a period of TWO YEARS (SIX MONTHS for the probe) from the delivery.
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