Product Description:

YJJ 4CH2O-100 Electrochemical Three-Electrode Formaldehyde Gas Sensor

Features:

Measurement
Working principle: Electrochemical three-electrode
Measurement range: 0 - 100 ppm
Sensitivity: 300 ± 100 nA / ppm
Response time (T90): ≤ 60 s
Repeatability: < ± 2% of the signal
Linearity: Linear
Long-term stability: < 2% of the signal value per month Electron
Resolution: 0.5 ppm
Recommended load resistance: 5 - 30 Ω
Bias voltage: 0 mV Environment
Operating temperature range: -20°C to 50°C
Operating humidity range: 15% RH to 90% RH (no condensation)
Operating pressure range: 800 to 1200 mbar Life expectancy
Recommended storage temperature: 0°C to 20°C. Store sealed.
Service life: 2 years.
Storage life in original packaging bottle: 6 months.
Warranty period: 12 months.
Gas concentration (ppm): Display value (equivalent to CH2O concentration, ppm)
Carbon monoxide: 100 86
Sulfur dioxide: 27.4 92
Methane: 5000 0
Hydrogen: 20 0
Carbon dioxide: 1000 0
The response of the sensor may vary depending on environmental conditions and batch. This data sheet is for reference only. To ensure the accuracy of the detection,
use the detection gas as the standard gas for calibration.

Specifications: