포름알데히드 검출 High/Low 출력 센서 - 0-20ppm
(Threshold Formaldehyde HCHO Detection Sensor (0-20ppm))
개요
- 본 제품은 포름알데히드 검출 High/Low 출력 센서 - 0-20ppm입니다.
- 포름알데히드를 검출할 수 있으며 5-24V 전압으로 동작합니다.
- 공장에서 설정된 threshold 값 이상의 가스가 검출되면 high 레벨을 출력하며, 그렇지 않으면 low 값을 출력합니다.
- 알림: threshold 값은 공장에서 미리 설정되어 사용자가 변경이 불가능합니다.
특징
- Threshold-based detection
- Wide voltage range, 5-24V
- High and low-level outputs
- Indicator light for status observation
- User-friendly design
- Power Supply Voltage: 5-24V
- High level output range: 5-24V(Output high voltage = supply voltage)
- Load Current: <100mA
- Static Current: <10mA
- Detectable Gas: Formaldehyde (CH2O, HCHO)
- Resolution: 0.01ppm
- Repeatability: <2% of the output value
- Threshold: 0.06ppm≈0.075mg/m3 (Factory-fixed threshold, cannot be modified by the user)
- Maximum Load: 20ppm
- Response Time: <15s
- Zero-Point Output: -0.10~0.02ppm
- Output Mode: High-level and low-level signals
- Line sequence: Black line -OUT, Brown line -VCC, Blue line -GND
- Pressure Range: 1±0.1 standard atmospheric pressure
- Lifespan: 3 years (in air)
- Storage Environment: 10°C ~ 30°C
- Operating Temperature Range: -10°C ~ 50°C
- Operating Humidity Range: 15% ~ 90% RH
- Long-Term Stability: <2% of the signal value per month
- Dimensions: L*W*H=30.35*47.4*47.4mm
- Cable Length: 50cm
- Housing Material: Black PCV0 flame-retardant material
- This formaldehyde gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or falls below a fixed threshold. It operates on a wide voltage range of 5-24V, with high and low-level outputs. The sensor is equipped with an indicator light for easy observation of its status, making it user-friendly. When the sensor detects a gas concentration above the threshold, it outputs a high-level signal and the indicator light illuminates. Conversely, when the concentration falls below the threshold, it outputs a low-level signal and the indicator light turns off.
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문서
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Formaldehyde, with the chemical formula CH2O or HCHO, is a colorless gas with a strong, pungent odor. It is soluble in alcohols and ethers. Acute formaldehyde poisoning is a systemic disease primarily characterized by damage to the eyes and respiratory system, caused by exposure to high concentrations of formaldehyde vapor. When the concentration reaches 0.08-0.09mg/m3 in ambient air, children may experience mild wheezing. At 0.1mg/m3, there may be odor and discomfort. At 0.5mg/m3, it can cause eye irritation and tear production. At 0.6mg/m3, it can cause discomfort or pain in the throat. Higher concentrations may result in nausea, vomiting, coughing, chest tightness, asthma, and even pulmonary edema. A concentration of 30mg/m3 can be fatal.
Note: The threshold of this sensor is factory-fixed and cannot be modified by the user. Custom threshold parameters can be set for bulk orders.
If you need to measure formaldehyde concentration accurately, we recommend the MEMS Formaldehyde HCHO Gas Detection Sensor.
Dimension Diagram of Formaldehyde Sensor
Connection Port Diagram of Formaldehyde Sensor