The TFA 45.2027 Thermohygrometer is designed to monitor indoor temperature and humidity to help maintain a healthy and comfortable living environment. With its colour-coded comfort zones, users can quickly see whether ventilation or heating adjustments are needed, improving air quality and even helping reduce energy costs.
This model features a synthetic-hair precision hygrometer and a classic bimetal thermometer mechanism, ensuring dependable long-term performance without electronics. Its chromed metal bezel and glass cover give it a durable, premium appearance, while the battery-free operation makes it a low-maintenance solution for continuous indoor climate monitoring.
Features
- Measures indoor temperature and humidity simultaneously
- Colour-coded comfort zones for easy climate assessment
- Synthetic-hair precision hygrometer
- Classic analogue display with clear dial
- Chromed metal ring (brass bezel) with glass cover
- No batteries required – maintenance-free operation
- Wall-mounted design
- Made in Germany
Technical Specifications
| Model | 45.2027 |
| Measurement Type | Temperature + Humidity |
| Temperature Range | -15°C to +55°C |
| Temperature Accuracy | ±1°C |
| Humidity Range | 0% to 100% RH |
| Humidity Accuracy | ±5% RH |
| Measurement Principle | Bimetal (temperature) / Synthetic hair (humidity) |
| Material | Plastic, chromed brass, glass |
| Mounting | Wall-mounted |
| Dimensions | 102 × 35 × 113 mm |
| Weight | ≈75 g |
| Power Supply | None (battery-free) |
| Origin | Made in Germany |





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