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Beijing Gallop Technology Co.,Ltd
Add:Room410 Tower C, Jiahua Buiding NO.9 Shangdi 3 Street Haidian District, Beijing
Tel:+86-010-51269778
Fax:+86-010-62967939
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E-mail:13858586115@163.com

Mass Flow Meter

Thermal Gas Mass Flow Meter Nitrogen Ammonia Flow Meter Price

Thermal Gas Mass Flow Meter Nitrogen Ammonia Flow Meter Price

Methane flow meter price CO2 nitrogen ammonia LPG Natural gas thermal mass flow meter with high quality and low cost....
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Thermal gas mass flow meter nitrogen ammonia flow meter price

Thermal gas mass flow meter  flow meter price1

Product features

No gas or pressure compensation is required to measure gas mass flow;

Large range ratio, measuring flow rate range: 0.1Nm/s~120Nm/h;

No pressure loss, apply any shape pipe with known cross-sectional area;

Corrosion-resistant sensor for measuring corrosive gases;

Plug-in sensors can be installed and secured;

The expert algorithm of the full-range segment ensures the accuracy of the measurement and is suitable for trade settlement or gas leak detection.

Thermal gas mass flow meter flow meter price

Technical parameters

Range of pipe diameter:DN50-2000 mm

Velocity range:0.5-100 Nm/s

Accuracy:±1.0%

Sensor working temperature: normal temperature type -10℃ to +200℃;

                            high temperature type -10℃ to +350℃; 

Converter working temperature:-20℃ to +45℃

Working pressure:≤4.0Mpa

Power supply: DC24V / AC220V ≤18W

Detachable converter: AC220V  ≤19W

Output signal:4-20mA, RS485

Pipeline material:Carbon steel, stainless steel and plastic, etc.

Display:8-bit field + 24 prompts

Protection:IP67

Explosive-proof grade:ExdⅡCT4

Sensor material:Stainless steel / carbon steels


Product application

Oxygen, nitrogen, hydrogen, fluorine gas and multi-component gas measurement;

Blast furnace gas, coke oven gas measurement;

Flue gas measurement;

Aeration and chlorine measurement in biogas and water treatment;

Compressed air measurement;

Gas flow measurement of natural gas, liquefied gas, flare gas, etc;

Primary and secondary air flow measurement of power plant blast furnace;

Flow measurement of underground ventilation and exhaust ventilation.


Working principle

The GLP-3000 series of thermal gas mass flow meters are meters that measure the mass flow of gases using the principle of heat transfer. The meter's sensor consists of two reference-level thermal resistors (platinum RTD). One is the mass velocity sensor T1, and the other is the temperature sensor T2 that measures the change in gas temperature. When the two RTDs are placed in the gas to be measured, where the sensor T1 is heated to a constant temperature difference above the gas temperature, the other sensor T2 is used to sense the temperature of the measured gas. As the gas mass flow rate increases, the airflow takes more heat, and the temperature of the sensor T1 decreases. To maintain a constant temperature difference between T1 and T2, the heating power of T1 increases. According to the law of Kin's law of thermal effect, the heating power P, the temperature difference ΔT (T1-T2) and the mass flow rate Q have a certain mathematical relationship.

P/△T=K1+K2 f(Q)K3

K1, K2, and K3 are constants related to the physical properties of the gas.

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    Beijing Gallop Technology Co.,Ltd
    Add:Room410 Tower C, Jiahua Buiding NO.9 Shangdi 3 Street Haidian District, Beijing
    Tel:+86-010-51269778
    Fax:+86-010-62967939
    Mobile:+86-13858586115
    E-mail:13858586115@163.com
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