TFA 40.1004 Sauna Thermo-Hygrometer
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The TFA 40.1004 is a wall-mounted sauna thermometer and hygrometer combo designed to simultaneously display temperature and humidity levels inside your sauna. Built with sauna environments in mind, it offers a compact yet readable display in a classic wooden-style form factor. It is a straightforward, no-frills instrument that prioritises reliability and ease of reading in high-heat conditions.
Key Features & Specs
| Dimensions | 131 x 34 x 240 mm, slim and space-saving for sauna wall mounting |
|---|---|
| Measurements | Dual-function display showing both temperature and relative humidity simultaneously |
| Temperature Range | Suitable for the high-heat conditions typical of traditional saunas, up to around 120°C |
| Material | Heat-resistant construction designed to withstand prolonged exposure to sauna steam and high temperatures |
| Power | No batteries or electrical power required; fully analogue and self-contained |
| Mounting | Wall-mount design with fixings included for straightforward installation on sauna interior walls |
| Brand | TFA Dostmann, a German manufacturer known for precision climate measurement instruments |
Best for: Home sauna owners who want a reliable, easy-to-read analogue thermometer and hygrometer combo without the need for batteries or complex setup.