甲醛 Detection
Formula HCHO · CAS 50-00-0 · 致癌物（IARC 1 类）/ 强刺激
Hazards & Toxic Symptoms
Formaldehyde is a colorless irritating gas and a Class 1 carcinogen according to the International Agency for Research on Cancer (IARC). Low concentrations can irritate the eyes and throat; long-term exposure can lead to nasopharyngeal cancer and leukemia. It is a major pollutant in newly renovated indoor spaces.
Occupational Exposure Limits (GBZ 2.1-2019)
| PC-TWA (Time-Weighted Average) | 0.5 mg/m³ |
|---|---|
| PC-STEL (Short-Term Exposure) | — |
| IDLH (Immediately Dangerous to Life or Health) | 20 ppm |
⚠️ Actual alarm thresholds depend on on-site risk assessment. ⚙️ Use the GB Alarm Calculator →
Typical Application Scenarios
- Indoor air quality monitoring (residential/office)
- Panel/plywood factory
- Textile/Clothing Dyeing
- Hospital anatomy room
- Chemical synthesis
Detection Principle / Recommended Sensors
Electrochemical (preferred) / Photochemical (high sensitivity)
Common Range：0-5 ppm
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Matching product categories: 甲醛 detector 甲醛 analyzer