Temperature range: -50°C to 1300°C ( -58°F to 2372°F) and Overload display alert when input exceeds measurement range pyrometer Designed for use with K-type thermocouples and Selection between Celsius and Fahrenheit Decimal or round number display selectable (decimal range is -58.0F to999.9F and round number range is -58F to 2372F) Includes 2 Thermocouples ( One 3" K type temperature probe (-58 – 752 °F) and one Kiln Heavy duty K type Ceramic Thermocouple ( -58°F to 2372°F) and Digital Pyrometer and Manual Resolution : 1°C or 1°F. Thermocouple Specifications: This Kiln Thermocouple includes: 1) A Ceramic Mounting Block. 2) 1m (3.3 ft) wire extension with a Flat Pin (Miniature) connector at the end. Its Flat Pin connector can be connected directly to any compatible Digital Thermometers. By removing its Flat Pin, it can also be connected to a Temperature Controller. It can measure VERY HIGH temperatures up to 2372 °F. This heavy duty Type K thermocouple comes in 7.5 inch length. Measuring temperature range -58 to 2372°F (-50 to 1300°C). Gauge 11, Thread material Cr-Ni, Si-Ni, Thread diameter (ɸ) 3.2 mm (~0.13 inch), Thread length 190 mm (~7.5 inch). Tube length 150 mm (~ 6.0 inch), Tube diameter (ɸ), Oval shape: L=12.3 mm & W=10mm (L~ 0.5” & W~ 0.4”) Tube shape 6 x (1 inch) pcs Ceramic Tube Insulator, Two-hole insulator. Package Includes: 1 x digital Pyrometer, 2 Thermocouples (One K type testing probe (-50 to 250°C) and one kiln K type (-50 to 1300°C), 1 x operating manual.