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About Hebi City Thermal Meter Instrument Factory:
--Professional Team manufactures Excellent Equipments,thus achieved proud credits.
eutech ph metre APPLICATION:
The instrument is suitable for universities and colleges, research institutes, environmental monitoring, industrial and mining enterprises and other departments of the laboratory sampling determination of the pH of the aqueous solution, and potential value (mV), with ORP electrode can also measure ORP oxidation - reduction potential of solution, mV values.
eutech ph metre PARAMETER
| Model | LH-333 | LH-334 | LH-336 | LH-335 |
| Instrument level | 0.1 | 0.02 | 0.001 | 0.01 |
| Measurement parameters | ph value,mv(ORP) | ph value,mv(ORP) | ph value,mv(ORP) | ph value,mv(ORP) |
| Measuring range pH | (0.00 to 14.00)pH | (0.00 to 14.00) pH | (-2.000 To18.000) pH | pH: (0.00 to 14.00) pH |
| Measuring range mV | (-1400 To 1400) MV | (-1400 To 1400) MV | (-1999.99 ~1999.99) MV | (0 to ± 1999) MV |
| Resolution pH | 0.01pH | 0.01pH | 0.1 pH, 0.01 pH,0.001pH | 0.01pH |
| Resolution MV | 1MV | 1MV | 0.1MV, 0.01MV | 1MV |
| Basic error pH | 0.05pH+of 1 | 0.01pH+of 1 | 0.002pH +-1word | pH:+-0.01pH+-1 |
| Basic error MV | 1 FS | 2MV | +-0.03 FS | mV: +-0.1 (FS) |
| Stability | 0.05pH+-1 / 3h | 0.01pH +-1 / 3h | (+-0.002pH +-1word) / 3h | +-0.01pH +of 1word/3h |
| Instrument functions | Manual 0.0 to60.0 | Manual 0.0 to 60.0 | -5.0 To 105.0 | 0 to 99.9 |
| Instrument functions | Two-point calibration (pointer-point calibration) | Two-point calibration (pointer-point calibration) | Two-point calibration (pointer-point calibration) | Two-point calibration (pointer-point calibration) |
| Instrument functions | LCD pointer | 3 digit LED | LCD pointer | LCD |
| Power supply | Digital: DC 6V, 300mA Pointer: AC (220± 22) V (50 ±1) Hz | AC (+-22) V(50+-1) Hz | AC (220V+-22) V; (50Hz+-1) Hz | AC (220+-22) V(50+-1) Hz |
eutech ph metre classification:
APEX according to the needs of the production and life, scientific research and production of many types of pH meter:
Measurement accuracy
Can be divided into 0.2, 0.1, 0.01 or higher accuracy.
By the volume of the instrument
Pen (mini), portable, desktop, as well as online continuous monitoring measurements on-line.
According to the requirements of use
Pen (mini) pH meter Portable pH is generally brought to the scene detection using testing personnel.
PH pH meter level of precision is required in accordance with the user to measure the accuracy of decision, and then
according to the user ease of use and the choice of a variety of shapes pH meter.
↑ Press portability sub-divided into: portable pH meter, desktop pH meter, pH meter and pen.
↑ use is divided into: laboratory pH meter, pH meter industrial online.
↑ divided by advanced economy pH meter, the intelligent pH meter, precision type pH meter or pointer pH meter, digital pH meter.
↑ pen pH meter, generally made of a single scale, the measuring range is narrow, dedicated and easy instrument.
A wide range of portable and desktop pH meter, commonly used instruments, the difference is that portable
DC power supply, and can carry to the scene. A wide range of laboratory pH meter, multi-function, high measurement accuracy.
Industrial pH meter is a need for good stability, reliable, a certain degree of measurement accuracy, environmental adaptability,
strong anti-interference ability, with analog output, digital communications, the upper and lower limit alarm and control functions.
APEX eutech ph metre maintenance
The electrode used in the lab are composite electrode, the advantage of easy to use,
Not oxidizing or reducing substances, and the balance faster.
Use, the the electrode liquid inlet on the sets of the rubber sleeve and the bottom of the rubber sleeve full removed
Potassium chloride solution in order to maintain the electrode within the hydraulic differential.
Put the following simple as an introduction to the use and maintenance of the electrode:
2 composite electrode when not in use, can be soaked 3M potassium chloride solution. Avoid using washing or other absorbent
reagent immersion.
3 before use, check the front of the glass electrode bulb. Under normal circumstances, the electrode should be transparent
without cracks; bulb filled with solution, not the presence of air bubbles.
(3) measurement of the concentration of the solution, try to shorten the measurement time, carefully cleaned after use to
prevent the adhesion of the measured liquid contaminated electrode on the electrode.
5 after cleaning the probe, do not use filter paper to wipe the glass membrane, and the application of dry filter paper,
to avoid damage to the glass film, to prevent cross-contamination, affect the measurement accuracy.
Note the 6 measurement electrode silver - silver chloride internal reference electrode should be immersed in the bulb
chloride buffer solution, to avoid electric meter display part of the phenomenon of digital bounce. Use, pay attention
to the electrode gently thrown a few.
7 electrode can not be used for acids, alkalis or other corrosive solution.
8 non-dehydrated medium such as anhydrous ethanol, potassium dichromate used.
APEX Friendly Tips:
We garantee the product description is true and effective. After installation, for your safety, please use
the instruments grounding.In the first year of your using the product, we replace the damaged parts. (Except consumables)
With decades of experience, we can provide a wide range of professional laboratory solutions. Please contact us if you
can not find your desired lab equipment on our website. We will help you to find manufactures who can guarantee the quality.
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