| Code | Memory size | Temperature range | Temperature accuracy | Humidity range | Humidity accuracy | Upper and Lower Limit Alarm Function |
|---|---|---|---|---|---|---|
| 0331-AP31 | - | -30°C~65°C | ±0.3°C(at -10°C~65°C), other range ±0.5°C | 0%RH~100%RH (non-condensing) | ±3%RH (at 10%RH~90%RH, testing temperature: 25°C), other range ±4%RH | yes |
| 0331-DL28 | 22528 | -30°C~65°C | ±0.3°C(at -10°C~65°C), other range ±0.5°C | 0%RH~100%RH (non-condensing) | ±3%RH (at 10%RH~90%RH, testing temperature: 25°C), other range ±4%RH | yes |




