Portable Hydroponic PH Meter

hydroponic pH meter is one of the pH test meters from Hangzhou Lohand biological Technology Co,.LTD.This meter can test pH.
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Product Details


Product name:hydroponic pH meter ph-025

Measure  Range:0.00-14.00PH


Accuracy: ±0.1PH

Operating  Temperature: 0-50℃

Power  Supply:4*1.5V(AG13) or AC220V


1.Remove  the  protective  cap of electrode.

2.First rinse the electrode with distilled water, and suck it with filter-paper. 

3.Turn the meter on by pressing the key.

4.Immerse the ph meter electrode in the solution to be tested. 

5.Wait for the reading to stabilize.

6.After use, rinse the electrode with water to minimize contamination. Turn the meter on by pressing the key. Replace the protective cap after use.

PH Calibration

1.Immerse the electrode in pH 6.86(under the temperature of 25) standard buffer solution of phosphate, and gently shake it.

2.Allow the reading to stabilize and with a small screwdriver turn the calibration trimmer inside the battery compartment until the display shows is corresponding the calibration solution.

3.Immerse the electrode in pH4.01 or pH9.18 the standard buffer solution of borax.

4.After one minute, until the buffer solution value is corresponding the measurement temperature is obtained.

Battery Install

If the hydroponic pH meter can not be switched on or the display fades, To change batteries. Open up the battery case and replace batteries. Pay attention to the polarity of battery.

PH: pH is a measure of acidity or alkalinity.

The hydrogen ion concentration index ((hydrogen ion concentration)) refers to the ratio of the total number of hydrogen ions to the amount of total substances in the solution. It is commonly referred to as "pH", not "pH". For the determination of hydrogen ion activity index, the qualitative method can be determined by using pH indicator and pH test paper, while the quantitative pH measurement needs to be measured by pH meter.

About us

Multi-parameter water quality analyzer series

Outdoor multiple in one meter

COD reactor

Multi-parameter portable water quality detector

Water sample heating thermostat

Fluorescent dissolved oxygen electrode

Pen type salinometer

Residual chlorine electrode

Portable water quality analyzer

DO dissolved oxygen meter

Digital refractometer

Rapid detection series

Color comparison tube series

In the course of ten years of development, we have been constantly working hard in this field, and constantly improving product functions, testing accuracy, dedicating to environmental water quality monitoring and rapid monitoring of product development. The products developed and produced mainly include COD, ammonia nitrogen, total phosphorus, total ammonia integrated machine, miniature COD reactor, water quality monitoring electrode, digital refractometer, etc. Most of the company’s products have obtained CE certification; widely used in domestic environmental protection bureaus, industrial enterprises, university research institutes, food manufacturing enterprises; especially electrochemical testing products have been sold at domestic and foreign.

We sincerely welcome domestic and foreign merchants to achieve win-win cooperation, common development and create brilliant!

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