Apera Instruments Premium Series User Manual
Ph tester
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Summary of Contents for Apera Instruments Premium Series
- Page 1 Premium Series PH5F pH Tester User Manual APERA INSTRUMENTS (Europe) GmbH www.aperainst.de v7.0...
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Page 2: Table Of Contents
Thank you for purchasing Apera Instruments PH5F Premium 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
1. What’s in the Kit 2. Keypad Functions Short press: < 2 seconds Long press: > 2 seconds 1. Short press to turn on the tester and long press to turn off the tester. 2. When turned off, long press to enter parameter setting. -
Page 4: Preparation Before Use
3. 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, alternatively RO water or tap water), then shake off excess water. Perform at least a 2-point calibration at pH 7.00 and pH 4.00. For tutorial, refer to Section 4. If the tester hasn’t been used for a long time (over 1 month), please soak the probe in the 3M KCL soaking solution for at least 30 minutes, then calibrate it before test. -
Page 5: Ph Measurement
point calibration (high, low, and middle points). Notes about Calibration a) The 1 point calibration must be 7.00 pH. Perform the 2 and 3 point calibrations (4.00, 10.01, 1.68, or 12.45) immediately after the 1 point calibration is finished. Do NOT turn off the meter before you calibrate 2 or 3 point. -
Page 6: Probe Cleaning
(typically 1-5 minutes). Please be patient. If still not working, add Apera 3M KCL (AI1107) to your pure water at the ratio of 1:1000 (e.g. 1 ml KCL to 1000 ml water) to accelerate stabilization while minimizing pH change. If the accuracy is not meeting your requirement, please contact us at info@aperainst.de to find the specialized meter designed for pure water pH test. - Page 7 Symbol Contents Parameter Factory Default USA – NIST Select pH buffer solution 0 to 14.00 pH Low value measurement alarm setting High value measurement alarm setting 0 to 14.00 pH 14.00 Off – On Select automatic lock Off – 1 – On Select backlight °C –...
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Page 8: Orp Measurement
key again to cancel the lock. 8.3.4 Backlight (P5) “Off”-turn off backlight, “On”-always turn on backlight, “1”- backlight will last for 1 minute. 8.3.5 Temperature Unit (P6) Select between C˚ and F˚. 8.3.6 Factory default setting (P7) Select “Yes” to recover instrument calibration to the theoretical value (pH value in zero potential is 7.00 pH, slope is 100 %), parameter setting return to initial value. -
Page 9: Probe Replacement
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 10: Battery Installation
Never use your finger to touch the glass membrane or use other material to rub it. Doing so could generate static electricity and cause measurement errors. Never test oily liquids. d) Make sure the battery cap is completely closed with the red O-ring. Otherwise, the waterproof rating could be compromised. -
Page 11: 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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