Tested, fire-resistant, and climate-compatible design. Please note that the actual viewing angle may be restricted due to structural conditions.

Climate-compatible and fire-resistant. In case of a risk of condensation (different climatic conditions inside/outside), we recommend using this door viewer. The door viewer is tested according to ÖNORM EN 1121. Climate classes C + D. Climate C long-term test of 28 days, indoor temperature + 23 °C / outdoor temperature + 3 °C. Climate D 24-hour test, indoor temperature + 23 °C / outdoor temperature – 15 °C. This door viewer is also approved for fire protection doors according to ÖNORM B 3850, El 30 (formerly T30). Max. door leaf drilling: 14.5 mm.

To avoid issues (possible fogging of the door viewer), certain usage conditions must be observed. The door viewer has been tested between two different climates - testing procedure based on a relative humidity (RH) of max. 48%, which corresponds to a healthy indoor climate: Test climate D: -15 °C outside, +23 °C inside - 30% RH with high humidity -15 °C outside, +23 °C inside - 45% RH. Test climate C: 3 °C outside at 85% RH, 23 °C inside at 30% RH with high humidity 3 °C outside at 85% RH, 24 °C inside at 48% RH.

Note: If the data specified in the test are not adhered to or exceeded, especially regarding the relative humidity in the rooms, fogging of the door viewer may occur despite thermal separation.

Material: Brass. Lens (°): 170. Surface: polished chrome. Design: with peephole. Cover diameter (mm): 14. Door thickness (mm): 40 - 50. Brand: Grundmann. Fire protection testing: ÖNORM B3850, climate-compatible according to EN 1121. Content (ST): 1.