handheld Hydrogen Fluoride gas detector HF
Model: HNAG920
Sampling Method: Pumping Suction
Detection Principle: Electrochemistry
Gas: Hydrogen Fluoride (HF)
Range: 0-10ppm,0-50ppm,0-100ppm
Resolution: 0.01ppm,0.1ppm.
Accuracy: ≤±2% F.S.
Product Description
| KEY FEATURES | Comparison |
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| Why choose our gas detector? | Handheld Single Gas Detector |
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✔️ Built-in internal sampling pump and diffusion sampling ✔️ Fall alarm / one-touch emergency alarm function. ✔️180° auto-rotating screen. ✔️Temperature & humidity compensation. ✔️Built-in buttons for easy parameter viewing and configuration. ✔️Features an external USB port for data export and deletion via USB cable connection to a computer. ✔️ Equipped with a 32-bit microprocessor and high-speed, high-precision processing circuitry for fast and accurate measurements. ✔️PC+TPU (rubber overmolding process) for impact resistance. ✔️Handheld and small design, easy to carry, can be put in a pocket. ✔️High-intensity ABS engineering plastics housing, suitable for different kinds of situations. |
Gas Detection Q&A - For Your Safety Environments
Q: Where is Hydrogen Fluoride (HF) gas produced?
A:
1. Industrial Manufacturing
• Phosphate fertilizer production: When sulfuric acid is used to treat phosphate rock (mainly composed of fluoroapatite), a large amount of HF gas is produced as a by-product.
• Fluorochemical industry: HF is used as a raw material for producing fluorinated refrigerants (e.g., Freon), fluorinated polymers (e.g., polytetrafluoroethylene), and fluorinated pharmaceuticals.
• Metal processing: The use of fluorides (e.g., cryolite) in the electrolytic smelting of aluminum and uranium or in metal surface treatment may release HF.
• Petrochemical industry: Certain catalysts (e.g., hydrogen fluoride-antimony pentafluoride) are used in alkylation reactions to produce high-octane gasoline.
2. Laboratory or Special Scenarios
• Chemical reactions: Heating fluorides (e.g., calcium fluoride) with concentrated sulfuric acid to produce HF.
• High-temperature treatment of fluorinated materials: Materials like polytetrafluoroethylene (Teflon) may decompose at high temperatures and release HF.
• Semiconductor/photovoltaic manufacturing: Used for silicon wafer cleaning or etching (e.g., volatilization of hydrofluoric acid produces gas).
3. Natural or Accidental Release
• Volcanic activity: Small amounts of HF gas may be released during volcanic eruptions.
• Industrial accidents: Chemical plant leaks, fires involving fluorine-containing chemicals (e.g., lithium battery combustion) may produce HF.
⚠️ Safety Warning
HF gas is highly corrosive and toxic. Inhalation or contact can cause severe harm and requires strict protective measures. Industrial emissions are typically treated through absorption processes (e.g., using water or alkaline solutions to generate hydrofluoric acid or fluorides) to avoid direct release into the environment.
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