Model | Temperature Accuracy | Humidity Accuracy | Sensor Type | Remark |
S380-WS | ±0.3°C/±2%RH | -20~70°C 0~100%RH | Temperature +humidity,internal | AA battery*4 No port for external power LCD dual display |
S400W-TH | ±0.5°C/±3%RH | -20~70°C 0~100%RH | Temperature +humidity,internal | AA battery*4 9V DC LCD dual display |
S400W-EX | ±0.5°C/±3%RH | -40~90°C 0~100%RH | Temperature +humidity,external sensor with 3meters cable | AA battery*4 9V DC LCD dual display |
S430W-TH | ±0.3°C/±2%RH | -20~70°C 0~100%RH | Temperature +humidity,internal | AA battery*4 9V DC LCD dual display |
S430W-EX | ±0.3°C/±2%RH | -40~90°C 0~100%RH | Temperature +humidity,external sensor with 3meters cable | AA battery*4 9V DC LCD dual display |
S400W-ET | ±0.5°C | -40~90°C | Temperature,external sensor with 3meters cable | AA battery*4 9V DC LCD single display |
S400W-EK | ±0.5°C±0.1‰ | -200~480°C | Temperature ,,external sensor with 1 meter cable | AA battery*4 9V DC Specially for low temperature |