APERA INSTRUMENTS PHB-3 Kurzanleitung

1. Brief Introduction
Thank you for purchasing APERA INSTRUMENTS' PHB-3 Pocket pH Tester. This tester is simply the most
economical choice of a reliable pocket pH tester for your regular liquid's pH measurement, including
hydroponics, aquaculture, pools & spas, home brewing, education, tap/drinking water, etc.
2. Specifications
1) pH Range: 0 ~ 14.0 pH
2) Resolution: 0.1 pH
3) Accuracy: ± 0.1 pH, ±1 digit
4) Automatic calibration: 1-point calibration (pH 7.00)
5) Power: 2 AAA Batteries, for 1000 hours of use
6) Dimension and Weight: 39×25×176 mm / 87 g
7) Waterproof rating: IP57
3. Instructions
1) Calibration: Rinse the probe in distilled water and dry it. Dip the probe in the standard buffer solution
pH7.00. Stir gently, hold still, and wait for the reading to become stable. Then press the CAL button for
two seconds until CAL appears on the screen. When the calibration value 7.0 flashes, the calibration is
complete and END will appear on the screen.
2) Measurement: Rinse the probe in distilled water and dry it. Dip the probe in the sample solution. Stir
gently and wait until you receive a stable reading.
3) After measurement, rinse the probe with distilled water, dry it, and put the protection cap back on.
4. Notes
1) The instrument can be continuously used for 1 to 2 weeks (or longer) after calibration.
2) The sponge in the protection cap should always be kept wet by adding a few drops of soaking solution
(3M KCL) in order to keep the probe activated.
3) To ensure the reliability of calibration, pH standard buffer solution should be replaced after 10-15 times of
usage.
4) Rinse the glass bulb sensor after every test. If it got contaminated, wash the bulb and surrounding area
with a small soft brush and soap water. Then rinse the bulb with distilled water, and re-do calibration
after several hours.
5) The instrument will be powered off automatically without operation after 10 minutes.
6) Replace the batteries when
5. Warranty
We warrant this instrument to be free from defects in material and workmanship and agrees 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 from the delivery (a six-month limited warranty applies to the probe). This warranty does not
apply to defects resulting from actions such as misuse (violation of the instructions in this manual or
operations in the manner not specified in this manual), accidental damage, improper maintenance, and
unauthorized repairs. Warranty period is the time limit to provide free service for the products purchased by
customers, not the service life of the tester or probe.
PHB-3 Pocket pH Tester Instruction Manual
appears on screen.
Wilhelm-Muthmann-Straße 18, 42329 Wuppertal Deutschland
Website: www.aperainst.de
APERA INSTRUMENTS (Europe) GmbH
| Kontakt: info@aperainst.de | Tel.: +49 202 51988998