May 12, 2026
Brief Discussion on the Principle and Usage of Laser Rangefinders
Brief Discussion on the Principle and Usage of Laser Rangefinders 1. The principle of using infrared or laser ranging The principle of distance measurement can
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![Application of digital tachometer]()
Application of digital tachometerDigital tachometer, also called digital tachometer, is used to measure the rotation speed of objects. According to the measurement method, it can be dMar 15, 2017 -
![laboratory and industrial pH electrodes]()
laboratory and industrial pH electrodesIn terms of use, laboratory pH electrodes are used for short-term intermittent testing under better environmental conditions, while industrial pH elecMar 06, 2017 -
![Application of industrial pH meter]()
Application of industrial pH meterThe use of a pH meter can better control the chemical reaction and achieve the purpose of improving productivity and product quality as well as safe pFeb 28, 2017 -
![How to detect the quality of the pH electrode]()
How to detect the quality of the pH electrodeRecord 186mV of the test data in step (1), clean the electrode and insert it into pH9.18 buffer solution, and read after stabilization, E2'=111mV (absFeb 22, 2017 -
![How to clean the pH electrode]()
How to clean the pH electrodeAfter the bulb and liquid junction are contaminated, clean them with the following solvents, and then use deionized water to remove the solvents, andFeb 15, 2017 -
![what is purpose of pH buffer solution]()
what is purpose of pH buffer solution⑴ Calibrate and calibrate the pH meter before pH measurement. (2) To verify the accuracy of the pH meter, for example, after calibrating the pH metFeb 06, 2017 -
![How to store & use pH buffer solution correctly]()
How to store & use pH buffer solution correctlypH12.46, etc., should be packed in a polyethylene bottle) with a tight cap. It should be stored at a low temperature (5-10°C) in the refrigerator. GenJan 31, 2017 -
![How to prepare pH buffer solution]()
How to prepare pH buffer solutionFor general pH measurement, a set of pH buffer reagents (250ml can be prepared) can be used. When preparing the solution, deionized water should be usJan 28, 2017 -
![what is pH scale]()
what is pH scalepH measurement is a relative measurement. It only indicates the difference in pH between a standard solution and an unknown solution. In actual measurJan 20, 2017 -
![What is the pH Value of water]()
What is the pH Value of waterThe pH value is one of the most important physical and chemical parameters of aqueous solutions. All natural phenomena involving aqueous solutions, chJan 12, 2017 -
![What is pH meter?]()
What is pH meter?A pH meter refers to an instrument used to determine the pH value of a solution. The pH meter works on the principle of a galvanic battery. The electrJan 05, 2017 -
![What does LEL in a combustible gas detector]()
What does LEL in a combustible gas detectorWhen the concentration of combustible gas in the air reaches its lower explosion limit, we call the explosion risk of the combustible gas environmentSep 28, 2018 -
![precautions for using combustible gas detector]()
precautions for using combustible gas detector(1) First of all, it is necessary to find out what the leakage points of the device are, analyze their leakage direction, pressure and other factors,Sep 11, 2018 -
![difference of combustible and toxic gas alarm]()
difference of combustible and toxic gas alarm1. The core component gas sensor is different (main difference): the combustible gas alarm uses a catalytic combustion gas sensor; the toxic gas alarmAug 15, 2018 -
![Maintenance of combustible gas detector]()
Maintenance of combustible gas detectorFor combustible gas detectors to detect combustible gas information, the detector must communicate with the detection environment. Therefore, it is inDec 31, 2016 -
![Set alarm range of combustible gas detector]()
Set alarm range of combustible gas detectorThe alarm value of the combustible gas alarm system is set as follows: The default low limit is 25% LEL (adjustable from 5% LEL to 40% LEL); the defauDec 25, 2016 -
![The difference combustible and toxic gas alarm]()
The difference combustible and toxic gas alarmcombustible gas alarm is about 7.5m; the detection radius of the toxic gas alarm is about 1.5m. In addition, because the gas sensors used for combuNov 05, 2016 -
![The alarm value of combustible gas detector]()
The alarm value of combustible gas detectorThe alarm value of the combustible gas alarm system is set as follows: The default low limit is 25% LEL (adjustable from 5% LEL to 40% LEL); the defauDec 10, 2016 -
![The setting range of the alarm value of the combustible gas detector]()
The setting range of the alarm value of the combustible gas detectorThe combustible gas detector is a detector that responds to single or multiple combustible gas concentrations. There are two types of combustible gasNov 25, 2016 -
![The working principle of combustible gas detector]()
The working principle of combustible gas detectorFor combustible gas detectors to detect combustible gas information, the detector must communicate with the detection environment. Therefore, it is inNov 15, 2016
