Infrared measuring technologyInfra-red transmitter for measuring surface temperature AMiR 7843Miniature probe head, transmitter box with display / operating controls, with analog output • Surface temperature is measured over a wide range up to 600 / 1000°C. • The probe head, thanks to its small dimensions, can be installed in cramped and restricted conditions. • Robust stainless-steel housing, protective class IP65 • The probe head is threaded for quick and easy installation. • The sensor cable is suitable for industrial use and is resistant to oily, acidic, and alkaline environments. • Transmitter box with display and operating controls • Analog output 10 V / 20 mA, freely selectable and scalable. ! Infra-red sensor suitable for direct connection to ALMEMO® measuring instruments see Digital sensor FIAD43x with ALMEMO® D6 plug 11/2025 • We reserve the right to make technical changes. Accessories MR7843 series Mounting bracket, rigid ZR7842H Mounting bracket, adjustable ZR7842JH Protective window (cannot be used together with air blower attachment or air-cooled housing) ZR7843PW Focal point lens attachment (cannot be used together with air blower attachment or air-cooled housing) ZR7843CFL 10:1 optics Measuring spot diameter 1 mm at distance of 10 mm 22:1 optics Measuring spot diameter 0.5 mm at distance of 10 mm Accessories for MR7843-12 / -32 / -42 Air blower attachment ZR7842LB Air-cooled housing and T branch, including 0.8-meter air hose, insulation, and air blower attachment ZR7842KL1 Same as above but with 2.8-meter air hose ZR7842KL2 (only for air-cooled housing and air blower attachment) ZR7842US 90 ° deflecting mirror with integrated air blower attachment Standard delivery Probe head (including mounting nut) with cable, PUR, mounted on transmitter box * Available on request longer probe head cable, 8 / 15 / 30 meters

Temperature measuring range_depending on type -40 to +600 °C or 0 to +1000 °C Optical resolution (90 % energy)_depending on type 2:1 / 10:1 / 22:1, typical (21:1 guaranteed) Accuracy_±1 % of measured value or ±1 K (whichever value is higher) ±2 K for measured values <20 °C Reproducibility_±0.5 % of measured value or ±0.5 K (whichever value is higher) Nominal conditions_at ambient temperature +23 °C ±5 K, Emissivity factor 1.0 and calibration geometry Temperature coefficient ±0.05 K / K or ±0.05 % of measured value / K (whichever value is higher) Ambient temperature depending on type -10 to +120...