Surface Temperature Everest Characteristics Infrared Temperature Sensor Accuracy

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Surface Temperature: Everest Characteristics Infrared Temperature Sensor Accuracy of ± 0. 5ºC or ±

Surface Temperature: Everest Characteristics Infrared Temperature Sensor Accuracy of ± 0. 5ºC or ± 0. 5ºF Resolution of 0. 1ºC or 0. 1ºF Temperature Range of -40ºC to 100ºC Rugged Stainless Steel Case and Cable Power requirements: 5 V to 26 V DC (Current Draw: 10 m. A + Current Signal)

Surface Temperature: IRTS The IRTS-P is a precision, infra-red thermocouple sensor manufactured by Apogee

Surface Temperature: IRTS The IRTS-P is a precision, infra-red thermocouple sensor manufactured by Apogee Instruments to make continuous measurements in field conditions. It is a unique, self powered sensor that measures emitted radiation and outputs the surface temperatures as a type-K thermocouple signal.

Surface Temperature: IRTS § Accuracy: ± 0. 2°C from 15° to 35°C and ±

Surface Temperature: IRTS § Accuracy: ± 0. 2°C from 15° to 35°C and ± 0. 1°C when sensor body and target are at the same temperature § Wavelength Range: 6 to 14 µm § Field of View: 3: 1 (At 3 m from sensor, the FOV is a 1 m diameter circle, as calculated from the geometry of the sensor and lens

Surface Temperature: Dodgy Calculation Corrected target temperature is equal to: CTT = ATT -

Surface Temperature: Dodgy Calculation Corrected target temperature is equal to: CTT = ATT - SEC where ATT = Apparent target temperature and sensor error correction (SEC) is the following: SEC = (0. 25/Psb)*(ATT-Hsb)^2 -Ksb) According to CSI the coefficients suitable to calculate Psb and Ksb are those from Bugbee et al. (1996) but this correction does not work over snow – or frozen surfaces

Petermann Measurements: (3) Surface Temperature § A comparison between the IRTS-P and Everest IR

Petermann Measurements: (3) Surface Temperature § A comparison between the IRTS-P and Everest IR thermometer on the Petermann Gletscher 2003 § The algorithm for the IRTS-P as defined by CSI is not applicable for temperatures below 0 °C