Apera Instruments PH20 User Manual
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Apera Instruments PH20 User Manual

Pocket ph tester kit
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PH20 Pocket pH Tester Kit
User Manual
IP67
9001 : 2015
ISO
APERA INSTRUMENTS, LLC
aperainst.com
v6.1
- 1 -

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Summary of Contents for Apera Instruments PH20

  • Page 1 PH20 Pocket pH Tester Kit User Manual IP67 9001 : 2015 APERA INSTRUMENTS, LLC aperainst.com v6.1 - 1 -...

  • Page 2: Table Of Contents

    Table of Contents 1. General Introduction ..............4 2. Keypad Functions ............... 5 3. What’s in the Kit ................6 4. Preparation before Use ............... 6 5. pH Calibration ................7 6. pH Measurement ................ 9 7. Parameter Settings ..............10 8.
  • Page 3 Thank you for choosing Apera Instruments PH20 Pocket pH Tester Kit. Please read this manual carefully before use in order to properly use and maintain the product. scan to watch video tutorial ATTENTION Ը Water droplets are added during production to maintain the moisture of the probe.

  • Page 4: General Introduction

    1. General Introduction stands for stabilized reading s t a n d s f o r s u c c e s s f u l calibration: is pH 4, is pH 7, pH 10. Probe Cap Ը Water droplets are added during production to maintain the moisture of the probe.

  • Page 5: Keypad Functions

    2. Keypad Functions Long Press Short Press (tap) (press >2 seconds) Ը Short press to power on; Ը In settings mode Ը L o n g p re s s t o p owe r Ը short press to change Off;...

  • Page 6: What's In The Kit

    3. What’s in the Kit pH buffer pH buffer PH20 tester Lanyard 4. Preparation before Use Prepare a cup of pure water (8-16oz) for probe rinsing. Pure water refers to drinking water, RO water, distilled water, or deionized water. 4.2 Pull off the battery insulation paper; Take off the probe cap.

  • Page 7: Ph Calibration

    5. pH Calibration 5.1 Short press to power on. 5.2 Rinse the probe in pure water and shake off excess water. Long press to enter calibration mode. (short press to go back to measurement mode if you want to cancel the calibration).
  • Page 8 5.7 Notes about Calibration 5.7.1 Always start calibrating with pH 7.00 first. Perform the 2nd and 3rd point calibration immediately after the 1st point is finished. Do NOT turn off the meter before you calibrate the second or third point. Otherwise, after you restart the meter and perform calibration in pH 4.00 or pH 10.01, error will be generated and you will have to calibrate...

  • Page 9: Ph Measurement

    6. pH Measurement 6.1 Short press to power on the tester. Remove the probe cap. 6.2 Rinse the probe in pure water. Then shake off excess water. 6.3 Dip the probe into your sample solution at least 1 inch deep, make a quick stir and hold still.

  • Page 10: Parameter Settings

    7. Parameter Settings 7.1 Settings Menu Parameter Setting Factory Symbol Code Content Default Select pH buffer standard USA – NIST series Select temperature unit ˚F – ˚C ˚F Back to factory default No – Yes setting 6.2 Parameter Setup When the tester is turned off, long press to enter parameter settings→...

  • Page 11: Probe Cleaning

    9. Probe Cleaning 9.1 The tester is only as accurate as the probe is clean. Always thoroughly rinse off the probe before and after each test with clean water in a container and shake off excess water. 9.2 For tough contaminants, detach the sensor shield, soak the probe in Apera’s cleaning solution (AI1166) or detergent water for 30 minutes.

  • Page 12: Troubleshooting Guide

    11. Troubleshooting Guide Trouble Reasons How to fix Wrong calibration order Refer to Section 5.7.1 Replace with fresh and clean Poor quality standard standard calibration solutions made buffer solutions by legitimate scientific instrument manufacturers. Contaminated probe Thoroughly clean off the probe (refer to Section 9) Wait for the reading to get Pressing...
  • Page 13 11. Troubleshooting Guide Trouble Reasons How to fix Dirty probe or Throughly clean off the probe clogged junction (refer to Section 9) Reading response is Aged probe Replace the tester much slower, won’t Testing pure water stabilize. like tap/drinking/RO/ Refer to Section 6.4 distlled/deionized water If you don’t find any visible...

  • Page 14: Battery Replacement

    12. Battery Replacement Please install batteries according to the following steps. *Please note the correct direction of battery installation: The Positive Side (“+”) OF EVERY SINGLE Battery MUST FACE UP. (WRONG INSTALLATION OF BATTERIES WILL CAUSE DAMAGE TO THE TESTER AND POTENTIAL HAZARDS!) ①...

  • Page 15: Limited 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, LLC, any malfunctioned or damaged product attributable to responsibility of APERA INSTRUMENTS, LLC for a period of TWO YEARS (SIX MONTHS for the probe) from the delivery.
  • Page 16 APERA INSTRUMENTS, LLC Address: 6656 Busch Blvd, Columbus Ohio 43229 Tel: 1-614-285-3080 Email: info@aperainst.com Website: aperainst.com - 16 -...

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