Gravity: Formaldehyde (HCHO) Sensor 甲醛（HCHO）感測器
原始價格：NT$2,370。NT$2,050目前價格：NT$2,050。 (未稅)
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Gravity: Formaldehyde (HCHO) Sensor 甲醛（HCHO）感測器
甲醛（HCHO）感測器是一款與Arduino和Raspberry Pi相容的模組，是室內空氣品質監測的理想解決方案。
這是一個甲醛（CH2O）感測器模組，可用於測量空氣中的甲醛。透過它，您可以了解空氣品質。這個感測器模組在許多空氣測試應用中廣泛使用，如室內空氣品質和實時品質監測站。我們的甲醛感測器模組能夠準確檢測和測量甲醛。它具有強大的抗干擾能力、高穩定性、ATC、高靈敏度（最高達0.01ppm）和長壽命（在空氣中可達2年）。集成了重力接口，易於使用，廣泛的輸入電壓，可選的輸出信號，我們的模組幾乎兼容所有微控制器。根據我們的示例代碼，可以迅速製作出一個甲醛檢測器。
這是一個體積小巧且與Arduino相容的甲醛（HCHO）感測器模組。透過它，您可以測量空氣中甲醛的濃度，並了解實時空氣品質。它可以廣泛應用於許多空氣測試應用，如室內空氣品質和實時品質監測站。它也適用於DIY甲醛檢測器。
測量空氣中甲醛的常見解決方案是試劑或顏色試劑卡。但這種解決方案會花費大量時間，只能使用一次。而且結果不太準確，您只能大致了解。揮發性有機化合物氣體感測器是第二代解決方案。它可以粗略檢測甲醛，因為該感測器只表達揮發性有機化合物氣體的整體濃度，而不僅僅是甲醛。
DFRobot Gravity甲醛感測器模組可以準確檢測和測量甲醛氣體濃度。它具有強大的抗干擾能力、高穩定性、ATC、高靈敏度（最高達0.01ppm）和長壽命（在空氣中可達2年）。它還支持3.3〜6V的廣範圍電源供應，這意味著它可以直接與Arduino和Raspberry Pi一起使用。這個甲醛監測器集成了重力接口，易於使用，即插即用。根據示例代碼，製作自己的甲醛檢測器非常容易。結合物聯網，可以製作一個可以在不同地點測量甲醛的自動空氣品質監測站。
注意事項：
- 使用感測器模組時，請勿觸摸白色感測薄膜。
- 請遠離高濃度的硫化氫、氫氣、甲醇、乙醇和一氧化碳。這些氣體將影響精確度並減少使用壽命。
- 初次使用時，請將模組預熱至少5分鐘。
- 感測器應避免接觸有機溶劑、塗料、藥物、油和高濃度氣體。
- 請勿插拔模組上的感測器，也不要修改PCB上的元件。
- 避免過度的衝擊或振動。
- 請勿將模組用於涉及人類安全的系統。
- 請勿在強烈的空氣對流環境中使用模組。
- 請勿將模組長時間暴露在高濃度有機氣體中。
特點：
- 高穩定性和靈敏度
- 自動溫度補償
- 廣泛的輸入電壓範圍（3.3~6V）
- 支援DAC和UART輸出
- 長壽命（在空氣中可達2年）
- 高分辨率（0.01ppm）
規格：
- 輸入電壓：3.3~6V
- 目標氣體：甲醛（HCHO）
- 干擾氣體：酒精、一氧化碳等
- 檢測範圍：0~5ppm
- 解析度：0.01ppm
- 預熱時間：≤3分鐘
- 響應時間：≤60秒
- 恢復時間：≤60秒
- 介面類型：Gravity-3Pin
- 輸出信號：可選的DAC（0.4～2V，適用於0-5ppm）或UART（9600）
- 運作溫度：0~50℃
- 運作濕度：15%RH-90％RH（無結露）
- 儲存溫度：0~50℃
- 工作壽命：2年（在空氣中）
- 尺寸：382815mm/1.501.100.59英寸
- 重量：22克
技術文件與教學
Gravity: Formaldehyde (HCHO) Sensor
The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor.
This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in the air. Through it, you can know the air quality. This sensor module is widely used in many air testing applications, such as indoor air quality, and real-time quality monitoring stations. Our HCHO sensor module can detect and measure HCHO accurately. Many advantages are available, such as strong anti-jamming capability, high stability, ATC, high sensitivity(up to 0.01ppm), and long life(2 years in the air). Integrated with Gravity Interface which is easy to use, wide input voltage, and optional output signal, Our module can be almost compatible with all MCU. According to our sample codes, an HCHO detector can be made very quickly.
This is a formaldehyde (HCHO) sensor module with a small size and Arduino compatibility. Through it, you can measure the concentration of formaldehyde in the air and know the Real-Time air quality. It can be widely used in many air testing applications, such as indoor air quality, and real-time quality monitoring stations. Applied in a DIY formaldehyde detector is also suitable.
The common solution to measure HCHO in the air is the reagent or colorimetric card. But this solution will occupy a lot of time and be used only once. And the result is not very accurate and you just know probably. VOC gas sensor is the second-generation solution. it can detect HCHO roughly because this sensor only expresses the whole concentration of VOC gas, not just HCHO only.
DFRobot Gravity Formaldehyde sensor module can detect and measure HCHO gas concentration accurately. Many advantages are available, such as strong anti-jamming capability, high stability, ATC, high sensitivity(up to 0.01ppm), and long life(2 years in the air). It also supports a 3.3~6V wide range power supply, which means it could be used with Arduino and Raspberry Pi directly. The Formaldehyde monitor integrates with Gravity Interface, easy to use, plug and play. According to the sample codes, it is easy to make your own formaldehyde detector. Combined with IoT, it is possible to make an automatic air quality station that can measure HCHO in different sites.
Cautions:
1. When using the sensor module, do not touch the white sensing film.
2. Please keep away from high concentration of Hydrogen sulfide, hydrogen, methanol, ethanol, and carbon monoxide. These gases will affect the precision and 3. reduce the service life.
4. Please keep the modules warming up for at least 5 minutes when first using.
5. The sensor shall avoid organic solvent, coatings, medicine, oil and high concentration gases
6. Please do not plug the sensor which on the module, and do not modify components on the PCB.
7. Excessive impact or vibration should be avoided.
8. Please do not use the modules in systems which related to human beings’ safety.
9. Please do not use the modules in a strong air convection environment.
10. Please do not expose the modules in high concentration organic gas for a long time.
FEATURES
- High stability and sensitivity
- Automatic temperature compensation
- Wide input voltage(3.3~6V)
- Support DAC and UART output
- Long life(2 years in air)
- High resolution (0.01ppm)
SPECIFICATION
- Input Voltage: 3.3~6V
- Target Gas: HCHO
- Interference Gas: Alcohol, CO & etc
- Detection Range: 0~5ppm
- Resolution: 0.01ppm
- Warm-Up Time: ≤3 minutes
- Response Time: ≤60 seconds
- Resume Time: ≤60 seconds
- Interface Type: Gravity-3Pin
- Output Signal: Optional DAC(0.4～2V,for 0-5ppm) or UART(9600)
- Operating Temp: 0~50℃
- Operating Hum: 15%RH-90％RH(No Condensation)
- Storage Temp: 0~50℃
- Working Life: 2 years(in air)
- Dimension: 38*28*15mm/1.50*1.10*0.59inches
- Weight: 22 g
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