GM-302C Product Manual
View the current English PDF manual for GM-302C, review available product information, and contact Winsen for engineering and sensor selection assistance.
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https://manual.winsenelec.com/manuals/gm-302c.pdf
About GM-302C
See official Winsen product page ↗Key technical specifications
| Working Current / Power | Heater ≤62 mW |
|---|---|
| Dimensions / Package | MEMS ceramic package |
| Heater Resistance | 85±5 Ω @room temp |
| Heater Voltage | 3.3±0.1 V |
| Warm-up / Preheat Time | ≥48 h |
| Detection / Measurement Range | 1–500 ppm ethanol vapor |
| Sensitivity | Rs(air)/Rs(50ppm ethanol) ≥3.0 |
| Working / Supply Voltage | Loop Vc ≤24 V DC; heater VH 3.3±0.1 V AC/DC |
| Concentration Slope | ≤0.6 (R300ppm/R50ppm ethanol) |
| Detection Principle | MEMS metal-oxide semiconductor |
| Heater Consumption | ≤62 mW |
| Other Key Specifications | Heater Voltage: 3.3±0.1 V; Heater Resistance: 85±5 Ω @room temp; Heater Consumption: ≤62 mW; Sensitive Resistance: 1–30 kΩ @50 ppm ethanol; Concentration Slope: ≤0.6 (R300ppm/R50ppm ethanol); Standard Test Environment: 20±2°C; 55±5% RH |
| Product Form | Sensor |
| Sensitive Resistance | 1–30 kΩ @50 ppm ethanol |
| Standard Test Environment | 20±2°C; 55±5% RH |
See the current PDF above for complete specifications, options and handling instructions.
- Product category
- Alcohol Sensor
- Detection target
- Alcohol / Ethanol (C2H5OH)
- Sensing principle
- MEMS metal-oxide semiconductor
- Applications
- 手机/电脑挥发物, 车载酒驾监测
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