Open Access
Table 1
Information on equipment used for measurements.
| Parameter | Ranges of measured data used (unit) | Equipment used |
|---|---|---|
| Methane (CH4) | 0–4095 (VL) | QM-4 sensor module |
| Dioxide (CO2) | 0–4095 (VL) | MQ-9 sensor module |
| Gas pressure | 5–100 PSI | Transducer sensor (1/8NPT) |
| Internal temperature | 20–60 (°C) | Waterproof digital temperature sensor (DS18B20) |
| Ambient temperature | 20–60 (°C) | Waterproof digital temperature sensor (DS18B20) |
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