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The Extech 421502 Type J/K Dual Input Digital Thermometer meter's dual display (one for each thermocouple input) can read either in C or F. Specifications. J TC Range: -328 to 1922° F (-200 to 1050° C). K TC Range -328 to 2498° F (-200 to 1370° C). Resolution 0.1° C or 0.2° F. Temperature units: Selectable C or F temperature units. Accuracy: ±(0.05% rdg + 0.3° C) -50° C to 1370° C, ±(0.05% rdg + 0.7° C) -50° C to -200° C, ±(0.05% rdg + 0.6° F) -58° F to 2498° F, ±(0.05% rdg + 1.4 °F) -58° F to -328° F. Temperature Coefficient: 0.1 times the applicable accuracy specifications per °C from 0° C to 18° C and 28° C to 50° C (32° F to 64° F and 82° F to 122° F). Reading rate: One reading per second. Auto Power off: Meter shuts down after approx. 30 mins. of inactivity. Display: 5 digit LCD multifunction display. Alarm: 95 dB.
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