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Nitric acid (HNO3) Flow Meter

What is Nitric acid (HNO3)?

Nitric acid (HNO3) , which is a strong oxidizing and highly corrosive inorganic acid. The acidity of nitric acid is smaller than that of sulfuric acid and hydrochloric acid (PKa=-1.3). It is easily soluble in water and completely ionized in water. Its HNO3 solution is colorless and transparent at room temperature, and the concentrated solution is brown. Nitric acid (HNO3) is unstable and easy to see light decomposition. It should be stored in a dark bottle in the dark.

Where is Nitric acid (HNO3) used ?

Nitric acid (HNO3) is used as an essential raw material for nitrates and nitrates, and is used to prepare a series of nitrate nitrogen fertilizers, such as ammonium nitrate and potassium nitrate; it is also used to prepare nitrates or nitro-containing explosives. Nitric acid is also used to refine metals because nitric acid is both oxidizing and acidic.

Electromagnetic Flowmeter Measures the Flow of Nitric acid (HNO3)

Nitric acid (HNO3) flow meter

For this kind of corrosive and conductive acid, we generally choose mag flowmeter. The measuring principle of electromagnetic flowmeter is Faraday electromagnetic induction . It is used to measure liquid with conductivity greater than 5 us/cm. It is Measuring volumetric flow, often used in petroleum, chemical, paper, and food industries.

Nitric acid (HNO3) Mag Meter Technical Parameters

  • Electromagnetic flowmeter lining material: PTFE or PFA, these materials are suitable for highly corrosive liquids.
  • Magnetic Flow meter sensor available: DN10~DN2000,normally request 2 inch mag meter, 4 inch mag meter, 8 inch magnetic flow meter
  • Electrode material selection: tantalum electrode, Tantalum material can be applied to hydrochloric acid, sulfuric acid, ferric chloride, nitric acid, etc.
  • Instrument accuracy: pipeline level 0.5, level 1.0
  • Flow rate range: 0.1 to 15 m/s
  • Working pressure: 1.6MPa, 2.5Mpa
  • Ambient temperature: -40 ° C ~ +50 ° C
  • Medium temperature: PTFE, PFA lining ≤180°C
  • External magnetic interference: ≤400A/m
  • Output signal: 4 ~ 20mA.DC, load resistance 0 ~ 750Ω
  • Communication output: RS485 or CAN bus
  • Electrical connection: M20 × 1.5 internal thread, φ10 cable hole
  • Power supply voltage: 90 ~ 220V. AC, 24 ± 10% V.DC
  • Large power consumption: ≤10VA
  • MODBUS,HART,PROFIBUS-DP communication options
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