Global Radiation Probe Head FLA 633 GS • Measuring head in anodized aluminium housing with a plastic dome that is transparent to UV light. • Rain and splash-proof system, additionally with desiccant to prevent dome from inside condensation. • Particularly suitable for outdoor measurements, e.g. in medical and biological research, weather information and forecast systems, climatology, agriculture and for general public information. Measuring range: 0.4 to approx. 1200 W/m2 Maximum spectral sensitivity: 780 nm Mounting: 2 screws M4, in base plate Cable passage: downwards Housing: anodized aluminium Dome: PMMA Dimensions: Dome diameter: 40 mm Housing diameter 80 mm Height 53 mm +10 mm (conical ring) +20 mm (dome) Longer cable Total length = 5 meters OA9613K05 Type (including test protocol) Order no. Weather-proof measuring head for measuring the global radiation, incl. ALMEMO® connector with 1.5 m cable FLA633GS Factory calibration KL90xx radiation for sensor, see chapter Calibration certificates“ 11/2025 • We reserve the right to make technical changes. Technical Data Measuring range: 0.05 to 170 klux (approx. 250 W/m2) Max. spectral sensitivity: 550 nm Signal output: 0 to 2 V Mounting: 2 screws M4, in base plate Bolt circle 0 50 mm Cable passage: downwards Housing: anodized aluminum Dome: PMMA • Measuring head in anodized aluminum housing, with UV-transparent plastic dome. • Rain-proof, splash-protected system, with desiccant to prevent condensation forming on the inside of the dome. • Especially suitable for measuring operations outdoors, e.g. in medical, biological, and climate research, in weather information forecast systems, in agriculture, and for the purposes of general information for the public. • The spectral sensitivity of the receiver corresponds approximately to that of the human eye. Dimensions: Dome diameter: 40 mm Housing diameter 80 mm Height 53 mm +10 mm (conical ring) Type (including test protocol) Order no. Weather-resistant measuring head for measuring the illuminance including cable, 1.5 m, and ALMEMO® connector FLA633VLM Factory calibration KL90xx radiation for sensor, see chapter „Calibration certificates“

Measuring range: 0.03 to approx. 100 W/m2 Maximum spectral sensitivity: 355 nm Signal output: 0 V to 2 V Mounting: 2 screws M4, in base plate Bolt circle 0 50 mm Cable passage: downwards Housing: anodized aluminium Dome: PMMA (transparent to UV) • Measuring head in anodized aluminium housing with a plastic dome that is transparent to UV light. • Rain and splash-proof system, additionally with desiccant to prevent dome from inside condensation. • Particularly suitable for outdoor measurements, e.g. in medical and biological research, weather information and forecast systems, climatology, agriculture...

Star Pyranometer FLA 628 S • Star pyranometer, according to Dirmhirn, for measuring the global radiation, the sky radiation and the short-wave radiation. • The accuracy corresponds to the „First class“ according to WMO and ISO 9060. • Independent from ambient temperature through differential temperature measurement. • Cut precision glass cupola for shielding from external environmental effects. • Levelling by 3 setting screws and an integrated bubble. Impedance: approx. 35 ohms Accuracy: cosine effect + azimuth effect + tempera ture influence Cosine effect: <3 % of measured value Inclination...