The fast and versatile infrared thermometer with 2-point laser marking and 30:1 optics. The surface temperature of smaller objects can be measured at a safe distance. The diameter of the measuring spot is only 36mm at a distance of 1m. Possibility of connecting external temperature probes. A separately available testo 830-4 Set (764-4402) includes cross-band Type K surface probe, leather case , batteries and calibration protocol30:1 optics for measuring temperature at a distance even on small objects. Two point laser measurement spot marking. Unit is capable of providing contact temperature measurement and emissivity determination with an attachable TC probe (probe is only supplied in the Set: 764-4402). Input of upper and lower limit value. Adjustable emissivity 0.2 to 1.0. Includes battery & factory calibration certificate. Includes 9V PP3 battery & factory calibration certificateAbsolute Maximum Temperature Measurement = +400°CTemperature Scale = CentigradeCalibrated = RSCALDistance to Spot Ratio = 30:1Emissivity = 0.1 - 1Model Number p = testo 830-T4Resolution = 0.1 °CData Storage = YesResponse Time = 0.5 sLength = 38mm

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