According to the national standard “Occupational Exposure Limits for Harmful Factors in the Workplace GBZ2-2002”, the maximum allowable ammonia concentration in the workshop is 30mg / M3, which is about 39.5ppm. In the actual application of ammonia detector, the following values are usually referred to: Average threshold (TLV-TWA): 25 (generally set as a first-level alarm […]
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Oxygen Analyzer Instrument Features
Integrated design reduces the influence of external interference on measured values; The probe uses special materials to make it more resistant to corrosion; Instrument housing with high protection level; Built-in display and button design, can ensure the service life of the instrument part even in harsh environments; Standard DN65 flange mounting makes installation simple and […]
Overview of Thermal Conductive Gas Analyzers
Thermal conductivity gas analyzer is a physical gas analysis instrument. Based on the principle that different gases have different heat conduction capabilities, it can estimate the content of certain components by measuring the thermal conductivity of the mixed gas. This kind of analytical instrument is simple and reliable, and it can be used for many kinds […]
“New Technology” Used in Carbon Dioxide Detectors
At present, there is a lot of carbon dioxide in the development of many coal mines. If you do not enter the coal mine for a long time, you cannot rush in. First of all, you need to test the concentration of carbon dioxide. Now people control the air quality in the underground shopping malls, underground […]
Method for Detecting Carbon Dioxide in Air
Carbon dioxide has long been recognized as a colorless, odorless gas. It is heavier than air and its gas density is 1.9659 / L under standard conditions. Carbon dioxide in the atmosphere comes from: fuel combustion, such as boilers, civilian furnaces and other coal, oil, wood fired when burning carbon dioxide; engine exhaust contains high […]
Oxygen Sensing unit Kinds
Today’s o2 analyzers utilize one of any various kinds oxygen devices. As commercial approach applications involve increased measurement accuracy and reliability and repeatability, users may also be demanding analyzers which require at least servicing and calibration. To this end, customers of fresh air analyzers should evaluate the benefits of any specific fresh air sensor enter […]
The real difference electrochemical and zirconia sensors
Avcray fresh air analysers are particularly ideal for applicationssuch as inert gasoline blanketing, additive developing, glove cases, metal heating treatment and research and advancement projects. There are two varieties of fresh air sensors found in the Avcray fuel analyse collection, these include zirconia and electrochemical, despite the fact that most of the Avcray fuel analysers […]
Measurement and Application of Mixed Gases
Ultrasonic gas measurement technology realizes the measurement of mixed gas, long life, high precision, and maintenance-free, which ensures the stability of the mixed gas concentration. Measurement and application of mixed gas, tests have confirmed that after adding a certain amount of another gas or two gases to one gas, it can be used to refine […]
Main Features of Infrared Gas Analyzer
Can be automatically adjusted according to the surrounding air (depending on the measured component) High efficiency does not require calibration gases and accessories. Multi-layer detection guarantees high degree of sensitivity and small lateral sensitivity. The sampling unit is easy to clean and reduces maintenance costs. Humanized WINCE operating system, data is automatically stored. Open interface […]
Introduction to Thermal Conductivity Gas Analyzer
Gas industry terminology It is an automatic continuous gas analyzer made by the principle that the total thermal conductivity of the mixed gas changes with the content of the measured component. The thermal conductivity detector used is a bridge composed of two measuring cells to detect the change in the thermal conductivity of the gas […]