Apera Instruments PH20 Instruction Manual
Value ph tester
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- User manual (16 pages) ,
- Instruction manual (9 pages) ,
- User manual (8 pages)
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Summary of Contents for Apera Instruments PH20
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Page 1: Instruction Manual
PH20 Value pH Tester Instruction Manual APERA INSTRUMENTS, LLC www.aperainst.com v 3.3... - Page 2 1. Battery Installation 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!) 2.
- Page 3 3. Complete Kit Diagram - 2 Things needed in addition to what’s in the box A clean cup, distilled water (8-16oz), and tissue papers for rinsing and drying the probe. 4. Calibration 4.1 If it’s first time use or the tester hasn’t been used for a long time, pour some pH 4.00 solution to the Fill line in the probe cap, soak probe for about 15 minutes to hydrate the pH sensor.
- Page 4 to stand; wait for the smiley face to appear and stay on the screen; then short press to complete the 2 point calibration, tester returns to measuring mode, calibration icons display on bottom left side of LCD. ■ Notes a) Tester will automatically recognize pH buffer solution, users can choose calibration points: 1 point, 2 points, or 3 points.
- Page 5 ■ Notes If you see some white crystalline solid leaked out of the pH probe, that’s the reference solution (3M KCL) inside the probe. It is NOT a sign of any defective issue. It is a normal phenomenon when the probe is stored dry for a period of time. It proves that the junction of the probe is working well.
- Page 6 6.2 Parameter Setting to enter setup → short press When turned off, long press to switch P1-P2-P3→ Short press , parameter flashing→short press to choose, short press to confirm parameter selection→Long press to go back to measurement mode. 6.3 Parameter Setting Instruction Select standard pH buffer solution (P1): There are two options of standard buffer solutions: USA series and NIST series as the following chart: pH standard buffer solution series...
- Page 7 * The 1 point calibration must be 7.00 pH. Perform the 2 point calibration (4.00 pH) immediately after the 1 point. Do NOT turn off the meter before you conduct 2 point calibration. If the meter is turned off after 1 point calibration, users will need to restart the calibration process with the 7.00 pH and the 4.00 pH following after.
- Page 8 9. 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 from the delivery (a six-month limited warranty applies to probes).
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