ph pen ph meter ph tester no backlight with correction powder ph meter-atc convenient

Single weight: 0.10535 grams。

A weight of 11.1KG

Volume: 36.7*37*33

100 pieces/box.

This product, compared to similar products in other shops, has a precision of 0.1 for the PH pen, comes with 2 packs of calibration powder, a screwdriver, and a plastic box.

Detailed explanation

Model PH-0.1
Measurement Range 0.0-14.0PH
Resolution 0.1 pH
Accuracy ±0.1pH
Automatic Temperature Compensation 0°C-55°C
Power Source: 3×1.5V (Button Cell AG-13 Type)
Use environment: 0～50℃ RH＜95%
Volume 152×29×15mm
Weight 50g

Suitable for freshwater and seawater

pH meter calibration:
1. Mix 6.86 grams of the correction powder with 250ML of water and gently shake it. Place the pen into the solution to test the pH value. If the display shows 6.8, the pen is accurate.
2. If the display deviates from 6.8, adjust the calibration potentiometer (the small hole behind) with a small screwdriver until the display value matches the pH value of the standard buffer solution at the ambient temperature. Be sure to keep the pen on the water surface when calibrating!
Notes:
In the following circumstances, the pH meter must be recalibrated:
After calibration, it has been used (or placed) for a long time.
The electrode is used particularly frequently.