PH Meter Accuracy

pH meter accuracy pH-107 with 0.00-14.00 pH measuring range , 0.1 pH resolution, 1 point calibration, pH-107 feature:small size,portable,economical.
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Product Details


Product name

pH meter accuracy  PH-107


0.0 to 14.0 pH


0.1 pH


±0.1 pH (at20°C)  ±0.2 pH


manual, 1 point


RH 95% max;

0 to 50°C (32 to 122°F)


3 x 1.5V alkaline


approx. 150 hours of use


52x30x21 mm



50 g



1.Take off the protective cover.

2.And clean the electrode (electrode cover around the white crystalline salt, which is a normal phenomenon, as long as the pH electrode can be dissolved in water. The electrode is located and disappeared)

3.Switch battery compartment, pH will be inserted into the measured liquid, until the liquid dipped slightly bottom line. The immersion conditions allow, can make solution to the location of the line is slightly higher than that of immersion

4.Stir gently until the display is stable and the display value is read.

5.After use, clean the electrode with clean water to reduce the pollution.

6.A few drops of saturated KCL solution can be dripped into the protective sleeve to maintain the electrode

7.Turn off the switch and put the protective sleeve on it.

PH calibration

*Insert the electrode into the standard buffer solution of the pH value of 6.86 (25 C) mixed phosphate and stir gently, and the value is stable.

*Adjust the correction potentiometer with a small screwdriver until the display value corresponds to the pH value of the standard buffer solution at ambient temperature.

*The electrode is inserted into pH4.01's Potassium phthalate two formate or pH9.18 in the standard buffer solution of borax.

*The display value should be within the allowable range of error compared to the pH value of the buffer solution.

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1.What about the technical support and maintenence?

Sometimes users will get some problems when they operate the instruments which are unfamiliar or first time use, users can send us emails or call us about detailed information. We will provide users solution or operation video.For so many years’ experience, our instruments works well during warranty period. If there any parts are broken during warranty period, we would like to provide spare parts for free.

2.Can I order a sample?

Sure, delivery sample by global express in charge.

3.What is the payment method?

Western union, TT, Moneygram, Paypal, L/C, D/A, D/P etc.

4.Is OEM available?

Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.

5.What payment methods do you accept?

Payment terms: T/T

Payment methods: paypal, moneygram, western union, bank transfer


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