What is the butane flowmeter | needle flame combustion tester used to detect?

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1. Typical applications of target flow meters: Gas types: coal gas, air, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine gas, mixed gas, etc. Liquids: heavy oil, paraffin, asphalt, sulfuric acid, edible oil, residual oil, acetone, diesel oil, mine water, detergent, soy sauce, residue gasoline, silicone oil, syrup, solvent, perfume, sea water, aviation kerosene, soap ketone water, glucose, vegetable acid, brine, paste, ink, coolant, glycol, mineral oil, liquid sugar, hydrochloric acid, automotive coatings, resin, butter, vegetable oil, liquid oxygen, shampoo, toothpaste, gel, fuel, milk, bleach, regulator, dry rubber soda, additives, cleaning agent, alkaline, ammonia, marine oil, chemical reagent, kerosene, glycerin, dye, water nitric acid, high boiling point organic solution, lard, additives, alcohol, oil, ethylene, polypropylene, toluene, etc

1、 The differential pressure transmitter for gas flow meters is better selected from brands such as Rosemount 309

5, Fuji, Rosemount, Honeywell, etc.

2、 Differential pressure transmitter is a transmitter that measures the pressure difference between the two ends of the transmitter. The measured result is pressure difference. The difference between differential pressure transmitters and general pressure transmitters is that they have two pressure interfaces. Differential pressure transmitters are generally divided into positive pressure end and negative pressure end. In general, the pressure at the positive pressure end of the differential pressure transmitter should be greater than the pressure in the negative pressure section in order to measure. Measure the pressure difference between

the positive and negative ends of the medium, and convert it into a standard current signal (4-20mA) that can reflect the pressure difference. Differential pressure transmitters are used to measure the liquid level and density of liquids, gases, or vapors. The basic principle of an intelligent differential pressure transmitter is to divide a space into two chambers using sensitive elements (often membrane boxes), and when pressure is introduced into each chamber, the sensor produces displacement (or displacement trend) under the combined action of the two pressures. This displacement is proportional to the pressure difference (differential pressure) between the two chambers and is converted into a standard signal output that can reflect the magnitude of the differential pressure.

3、 The main feature of a gas mass flowmeter is that it is not affected by temperature and pressure fluctuations. Its display reading directly indicates the mass flow rate of the gas, and it is installed in the pipeline to record the amount of gas flowing through. It can measure various types of gases such as blast furnace gas flow meter, coke oven gas mass flow meter, gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, gas, biogas, carbon dioxide, oxygen, compressed air, argon, toluene, benzene, xylene, hydrogen sulfide, sulfur dioxide, ammonia, etc.

3. Technical parameters of gas flowmeter

Technical parameters of gas flowmeter are as follows

1. Measurement range: Under standard conditions (20 ℃, 101.33KPa), the measurable gas flow range is (0.05-80) Nm/s

2. Applicable medium: Suitable for measuring most clean

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