Technical Specifications

Working environment temperature: (5～45)℃

Tested gas pressure: ≤ Gauge pressure 2 × 10⁴Pa

Tested gas flow rate: (0.2～1.0)L/min

power supply 12～24VDC

output : 4-20mA

Communication method: RS485(Modbus RTU)

working principle

Under the influence of an external magnetic field, matter will be magnetized and exhibit certain magnetic properties. When a substance is magnetized in an external magnetic field, it generates an additional magnetic field. When the direction of the additional magnetic field is the same as that of the external magnetic field, the substance is attracted by the external magnetic field; When the direction is opposite, it is repelled by the external magnetic field. The substance attracted by an external magnetic field is called a paramagnetic substance, or in other words, the substance has paramagnetism; The substance that is repelled by an external magnetic field is called a diamagnetic substance, or in other words, the substance has diamagnetism.

Gas media can also be magnetized in a magnetic field, exhibiting paramagnetism or diamagnetism depending on the type of gas. asO₂TheNO、NO₂Waiting for paramagnetic gas,H₂TheN₂TheCO₂TheCH₄Wait, it's a diamagnetic gas.

The volume magnetization of oxygen is much higher than that of other gases, so the paramagnetic properties of oxygen can be used to analyze its concentration.