Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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26
Jun
2026
Summary of Causes for Unstable Digital Readings of pH Meter
Summary of Causes for Unstable Digital Readings of pH Meter A pH meter is a common analytical instrument widely used in fields such as agriculture, environmental protection, and in
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26
Jun
2026
Cleaning Methods for Impurities and Dirt of pH Meter and Electrodes
Cleaning Methods for Impurities and Dirt of pH Meter and Electrodes Because the concentration and impurities of the medium measured by the pH meter electrode vary, it needs to be c
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25
Jun
2026
Introduction to the Design Principle of pH Meter
Introduction to the Design Principle of pH Meter The design principle of a pH meter is the soul of the entire machine, and its design can reduce costs while improving accuracy. Eve
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25
Jun
2026
Solutions to Common Problems and Application Scope of pH Meter
Solutions to Common Problems and Application Scope of pH Meter One What is the pH value of water? What does it mean? PH value is one of the important physicochemical parameters of
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25
Jun
2026
Usage and Maintenance of pH Meter Electrodes
Usage and Maintenance of pH Meter Electrodes 1. The electrode must be calibrated with a standard buffer solution with a known pH value before measurement, and the closer its pH val
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25
Jun
2026
Functional Features and Calibration Steps of pH Meter
Functional Features and Calibration Steps of pH Meter 1. The electrode must be calibrated with a standard buffer solution with a known pH value before measurement, and the closer i
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25
Jun
2026
How to Measure Electrode Potential with a pH Meter
How to Measure Electrode Potential with a pH Meter 1. Turn on the power switch and the instrument enters pH measurement mode; Press the "Mode" button continuously (four t
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25
Jun
2026
Specific Calibration Operation Procedures for pH Meter
Specific Calibration Operation Procedures for pH Meter When there is a significant change in the temperature of the solution compared to the temperature during calibration; 2. Elec
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25
Jun
2026
Working Principles of pH Meter and Dissolved Oxygen Analyzer
Working Principles of pH Meter and Dissolved Oxygen Analyzer 1. Working principle of pH meter The pH value of water depends on the amount of dissolved substances, so pH value can s
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25
Jun
2026
How to Test Groundwater pH with a pH Meter
How to Test Groundwater pH with a pH Meter What is pH? PH is the abbreviation of the Latin word "Pondus hydrogeni" (Pondus=pressure, pressure hydrogenum=hydrogen), used t
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25
Jun
2026
Maintenance and Precautions for pH Meter
Maintenance and Precautions for pH Meter 1. Short term storage of pH glass electrodes: stored in a buffer solution with pH=4; Long term: stored in a buffer solution with pH=7. 2. T
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25
Jun
2026
What does it mean when a pH meter displays wrong solution?
What does it mean when a pH meter displays wrong solution? 1. The glass electrode is contaminated or damaged. Glass electrodes have high sensitivity and accuracy, and are highly se
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24
Jun
2026
Brief Introduction to Night Vision Devices and Optoelectronic Technology
Brief Introduction to Night Vision Devices and Optoelectronic Technology Night vision devices, also known as night vision goggles, night vision telescopes, and infrared telescopes,
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24
Jun
2026
Introduction to Laser Night Vision Devices and Infrared Thermal Imagers
Introduction to Laser Night Vision Devices and Infrared Thermal Imagers What is a laser night vision device? Laser night vision technology has been around in China for nearly a dec
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24
Jun
2026
How to Choose Between Thermal Imagers and Night Vision Devices in Use
How to Choose Between Thermal Imagers and Night Vision Devices in Use Night vision devices actively receive and image, just like our eyes can see reflected light. The working princ
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24
Jun
2026
Differences between Infrared Thermal Imager and Night Vision Device
Differences between Infrared Thermal Imager and Night Vision Device 1. Effectiveness and Effect 1) If you have used a regular night vision device, you will find that the observatio
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24
Jun
2026
Imaging Principle of Thermal Night Vision Device
Imaging Principle of Thermal Night Vision Device Thermal imaging night vision devices can produce realistic and clear thermal images in situations of complete darkness, light mist,
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24
Jun
2026
Select night vision devices in the following order of priority:
Select night vision devices in the following order of priority: 1. Image intensifier tube: It's from several generations. Be sure to confirm with the merchant when making a pur
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24
Jun
2026
Principle of Thermal Imaging Night Vision Scope
Principle of Thermal Imaging Night Vision Scope Thermal imaging is passive infrared, which relies on receiving infrared radiation emitted by the temperature (thermal energy) of an
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24
Jun
2026
Why do night vision devices get damaged by intense light?
Why do night vision devices get damaged by intense light? There are various types of night vision devices, but they are mainly composed of optical systems, image tubes or micro tub
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