Hydrogen fluoride is a colorless gas; its melting point is -83.1 ° C, its boiling point is 19.54 ° C, and its gas density is 0.991 g / l. Below 80 ° C, it becomes an association (HF) n due to the existence of hydrogen bonds between molecules. Anhydrous hydrogen fluoride is extremely acidic, and […]
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Hydrogen Analyzer Principle and Introduction
The instrument uses the difference between the thermal conductivity of the component to be analyzed and the background component, and the characteristic of the thermal conductivity of the mixed gas changes with the component to be analyzed. The instrument performs online analysis consisting of a thermally conductive gas sensor and an intelligent signal converter The […]
How to Use Biogas Analyzer?
Open The following inspections and operations should be performed before using the instrument: This instrument is an optical measuring instrument, and the damage to the instrument by dust and moisture in the biogas should be strictly controlled; the sampling head provided by the manufacturer should be connected to the sampling pipeline before measurement, and the […]
How to Debug the Combustible Gas Alarm?
If a metrological certification is required, the portable meter needs to be sent to the local metrology institute, and the fixed meter needs to invite the measurement staff to come to the calibration. (If it is within the range of test accuracy, a metrological verification certificate or test report can be obtained). Learn more about […]
How to Choose the Right Toxic and Harmful Gas Detector?
For various production occasions and testing requirements, choosing the appropriate gas detector is a must for everyone who is engaged in safety and health work. Here we will introduce some specific situations for your reference. Confirm the type and concentration range of the gas to be detected: The types of gases encountered in each production […]
How to Choose the Bus System and Branch Line System of Gas Detection System
For stationary gas detectors, the system configuration of on-site gas detection + controller centralized display interlocking is essential. For the two different wiring methods, they are commonly used in the bus system and branch line system, how to choose? This time Van Andy analyzes the advantages and disadvantages of the two for customers to refer to […]
How to Choose Gas Detectors for Different Environments?
According to different environment and testing requirements, choosing the right and correct gas detector is a must for everyone who is engaged in safety and health work. The type of gas detector is different depending on the environment. fixed: This is the most commonly used detector in industrial installations and production processes. It can be […]
How to Choose a Junior High-efficiency Air Filter for a Thermal Conductivity Gas Analyzer Processing Unit
The new fan unit mainly deals with the state of outdoor fresh air, and the air filter unit deals with the state of indoor circulating air. Compared with fan coil unit plus fresh air system and unit air conditioner, it has the advantages of large air volume, high air quality, energy saving, etc., and is […]
How to Choose a Dew Point Meter?
There are a variety of methods for measuring the dew point (humidity instrument), and their performance and price are very different. This requires us to be careful when selecting the instrument. Not only must we consider the performance and price, but also consider the use of the instrument and the measurement. The type of gas […]
How does too Much or too Little Oxygen Harm the Human Body?
What about the oxygen content around you, oxygen detector to protect you! The oxygen concentration in the pure air is 20.95% VOL, then look at how the oxygen is too much to harm the human body: 100% lethal / 6 minutes (absolutely enclosed environment, such as hyperbaric oxygen chamber or deep water) 50% fatal / […]