Product Information Model FT-H50 Type Mid to low temperature, Ultra long-range Rated temperature range 0 to 500°C 32 to 932°F Displayable temperature range -50 to +520°C -58 to +968°F Detecting distance Unlimited Measuring distance /View diameter (example) 500/ø18 mm 15.69"/ø0.71"1500/ø30 mm 59.06"/ø1.18"3000/ø75 mm 118.11"/ø2.95" Sight 2-point visible laser beam Detecting element Thermopile Detecting wavelength 8 to 14 µm Repeatability ±3°C 5.4°F Emissivity (ε) correction 0.10 to 1.99 (0.01 step) Environmental resistance Ambient temperature -10 to +55 °C 14 to 131 °F (No freezing) Relative humidity 35 to 85 % RH (No condensation) Vibration resistance 10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z axis Shock resistance 500 m/s2, 10 times in each direction of each of X, Y and Z axis, 60 times in total Material Case: Reinforced glass plastic, Infrared collector lens: Germanium, Laser transmitter: PolyacrylateLens tube: Aluminum, Cable: Vinyl chloride, Mounting bracket: SUS304, Mounting screw: Stainless steel Accessory Mounting bracket Weight Approx. 150 g