| Code | Type | Sensor type | Temperature accuracy | Humidity range | Humidity accuracy | Upper and Lower Limit Alarm Function | Temperature range |
|---|---|---|---|---|---|---|---|
| 0331-AP31 | Digital | Internal | ±0.3°C(at -10°C~65°C), other range ±0.5°C; ±0.5°F(at 14°F~149°F), other range ±0.9°F | 0%RH~100%RH (non-condensing) | ±3%RH (at 10%RH~90%RH, testing temperature: 25°C), other range ±4%RH | yes | -30°C~65°C/-22°F~149°F |




