Product Introduction
I.Metal Oxide SensorCO Sensor CO-MFF, CO-PFF, CO-AFF Description:
Metal oxide sensor CO sensor CO-MFF, CO-PFF, CO-AFFCan operate well in ambient conditions and also in extreme temperature and humidity environments where electrochemical sensors cannot.
Additionally, this metal oxide sensor is equipped with a filter device, making it selective to CO.
Unlike common n-type sensors, this metal oxide sensor has a large dynamic range, repeatable response, low humidity influence, and resistance increases with most CO.
The resistance change can be converted to output voltage through simple electrical circuitry.
II. Metal Oxide Sensor CO Sensor CO-MFF, CO-PFF, CO-AFF Features:
Large dynamic range
Repeatable response
Low humidity influence
Built-in filter for good selectivity to CO gas
III. Metal Oxide Sensor CO SensorCO-MFF,CO-PFF,CO-AFFPerformance
| Range | CO measurement limit ensuring product performance (ppm) | 5~500 |
| Sensor resistance (R0) | kΩ (50% rh, 23 (± 2)℃) | 135±25 |
| Sensor resistance (Rg) | kΩ; CO@10ppm in air | 160 ±10 |
| Sensor resistance ratio (R9/R0*100%) | %; CO@10ppm in air | 120 ±3 |
| Gas response relationship (Rg/Ro - 1 = k.Conc) | 5-50ppm | 0.01 ±10% |
| Gas response relationship (Rg/Ro - 1 = k.Conc0.5) | 50-500ppm | 0.08 ±15% |
| Heater resistance (RH @ RT) | Ω (23±1℃) | 10 ±1.5 |
| Heater resistance (RH @ sensing temperature) | Ω (400 ±10℃) | 22 ±3 |
| Heater resistance (RH @ reset temperature) | Ω (525±10℃) | 26 ±3 |
| Typical heater power consumption at 5:1 cycle (mW) | VH = 2.7 ±0.2V (400℃) | 340 ±30 |
| 3.7 ±0.3V (525℃) | 530 ±50 | |
| Operating temperature range | ℃ | -20~120 |
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