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20

Jan

2017

what is pH scale

pH measurement is a relative measurement. It only indicates the difference in pH between a standard solution and an unknown solution. In actual measurement, a standard buffer solut
12

Jan

2017

What is the pH Value of water

The pH value is one of the most important physical and chemical parameters of aqueous solutions. All natural phenomena involving aqueous solutions, chemical changes, and production
05

Jan

2017

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 electromotive force between the two
28

Sep

2018

What does LEL in a combustible gas detector

When the concentration of combustible gas in the air reaches its lower explosion limit, we call the explosion risk of the combustible gas environment in this place as 100%, that is
11

Sep

2018

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, and draw the distribution diag
15

Aug

2018

difference of combustible and toxic gas alarm

1. The core component gas sensor is different (main difference): the combustible gas alarm uses a catalytic combustion gas sensor; the toxic gas alarm uses an electrochemical toxic
31

Dec

2016

Maintenance of combustible gas detector

For combustible gas detectors to detect combustible gas information, the detector must communicate with the detection environment. Therefore, it is inevitable that various pollutin
25

Dec

2016

Set alarm range of combustible gas detector

The 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 default high limit is 50% LEL (adju
05

Nov

2016

The difference combustible and toxic gas alarm

combustible 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 combustible gas and toxic gas are d
10

Dec

2016

The alarm value of combustible gas detector

The 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 default high limit is 50% LEL (adju
25

Nov

2016

The setting range of the alarm value of the combustible gas detector

The combustible gas detector is a detector that responds to single or multiple combustible gas concentrations. There are two types of combustible gas detectors: catalytic type and
15

Nov

2016

The working principle of combustible gas detector

For combustible gas detectors to detect combustible gas information, the detector must communicate with the detection environment. Therefore, it is inevitable that various pollutin
20

Oct

2016

Substances that can be detected by the combustible gas detector

Substance and Minimum detection concentration: Acetylene 50ppm Propane 500ppm Ethylene Chloride 5ppm Isobutane 500ppm Ethylene 500ppm Methyl Chloride 5ppm Methane 500ppm Hydroge
15

Oct

2016

Application range of combuistble gas detector

1.Ocean operation platform and drilling platform 2.Oil refinery 3.Petrochemical plant 4.Comp
08

Oct

2016

what is Combustible gas detector?

The combustible gas detector is a combustible gas detector that responds to the concentration of single or multiple combustible gases. There are two types of combustible gas detect
15

Feb

2022

Daily maintenance of laser rangefinder

Problems that need to be paid attention to when using the laser rangefinder: The laser rangefinder cannot be directly measured at the human eye to prevent damage to the human body.
13

Feb

2022

Precautions for the use of hand-held laser rangefinders

DISTO and other hand-held laser rangefinders use lasers for distance measurement, and the pulsed laser beam is a monochromatic light source with very concentrated energy, so do not
11

Feb

2022

The purchase of laser rangefinder

And when the accuracy requirement is not high. Recommendation - "Ultrasonic rangefinder" can be used.
09

Feb

2022

Uses of laser rangefinders

Laser rangefinders are widely used in terrain surveying, battlefield surveying, ranging of tanks, aircraft, ships and artillery to targets, and measuring the height of clouds, airc
07

Feb

2022

Classification of laser rangefinders

Laser rangefinders are divided into handheld laser rangefinders and telescope-type laser rangefinders.

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