• Probes for various spectral ranges: • Illuminance (V lambda), UVA, UVB, UVC, global radiation, IR, quantum (photosynthesis) • Sturdy aluminum housing • ALMEMO® connecting cable, plug-in Common technical data Diffuser PTFE Cosine correction Error f2 <3 % Electrical connection Mountable male connector, lateral Connecting cable PVC cable, plug-in, with _ALMEMO® connector_ Housing_Aluminum, black anodized_ Fixture_2 screws M2 in base plate_ height approx. 35 mm (FLA623PS _approx. 37 mm)_ Weight approx. 50 g (without cable) 11/2025 • We reserve the right to make technical changes. Power supply via ALMEMO® connector Probe for measuring illuminance FLA 623 VL • This measures the V lambda radiation (visible light, equivalent to sensitivity of the human eye). • For evaluating lighting conditions, e.g. in the workplace • The sensor complies with device class B as per DIN 5032. Technical data: Measuring range V lambda 0.05 to approx. 170 klx_ Measuring channels 1st channel up to approx. 20,000 lx Common technical data and image see FLAD 03-VL1 Variants (including factory test certificate) Order no. Illuminance probe with ALMEMO® connecting cable, length = 2 meters FLA623VL ALMEMO® connecting cable, length = 5 meters OA9623L05 ALMEMO® connecting cable, length = 10 meters OA9623L10

Probe for UVA radiation FLA 623 UVA spectral sensitivity • This measures long-wave UV radiation (bronzing effect on human skin). • Its spectral sensitivity is weighted towards global solar radiation. Measuring range 0.03 to approx. 100 W/m2 Common technical data and image see FLAD 03-VL1 Variants (including factory test certificate) Order no. UVA probe with ALMEMO® connecting cable, length = 2 meters FLA623UVA ALMEMO® connecting cable, length = 5 meters OA9623L05 ALMEMO® connecting cable, length = 10 meters OA9623L10 11/2025 • We reserve the right to make technical changes. Probe for UVB radiation...

• This measures the solar spectrum in the visible range and in the short-wave IR range. • Global radiation comprises both direct and diffused solar radiation. Technical data: Measuring range 0.4 to approx. 1300 W/m2 Common technical data and image see FLAD 03-VL1 Variants (including factory test certificate) Order no. Global radiation probe with ALMEMO® connecting cable, length = 2 meters FLA623GS aLmEMO® connecting cable, length = 5 meters OA9623L05 ALMEMO® connecting cable, length = 10 meters OA9623L10 Probe for infra-red radiation FLA 623 IR spectral sensitivity • This measures the solar spectrum...