TM-802 Formaldehyde Meter
Application
Formaldehyde concentration |
Human response | International standard |
0.03ppm | General outdoor environment value |
|
0.08 ppm | Tasteless, no sensation for the human |
|
0.1 ppm | Standard recommended value | Limiting value of ASHRAE, ANSI, EPA, NIOSH for STEL residence, the recommended value from Taiwan Environmental Protection Administration. |
0.15~0.25 ppm | Breathing for a long time may easily cause the allergies on children’s skin. |
|
0.25~0.3 ppm | It may cause the symptoms of asthma, allergies, cough , etc |
|
0.5 ppm | It may cause abnormal immune function and oncogenic risk. |
Limiting value of OSHA for workplace |
0.75 ppm | It may cause Chromosomal abnormalities and affecting fertility, and cause cancer easily. |
Limiting value of OSHA and TWA for workplace |
>2.0ppm | It may cause cancer and chronic respiratory disease. |
Limiting value of OSHA and TWA for workplace |
Features
Specifications
Formaldehyde | Humidity | Temperature | |
Measurement Range | 0.00-5.00PPM (mg/m3) |
5.0%~95.0%RH | -20 to 50℃ (-4 to 122oF) |
Resolution | 0.01ppm | 0.1%RH | 0.1℃(0.1°F) |
Accuracy | ±5% of reading +0.03ppm (baseline shift) |
±5.0%RH (20 to 80%) ±8.0%RH (<20%,>80%) |
±1.0℃(±1.8°F) |
Response time (T90) |
30 seconds |