Extech TP875 Bead Wire Type K Thermocouple (58 to 1000 Degrees C)

Amazon

Type K high temperature probe with mini connector and banana plug adaptor High temperature range:-58 to 1000-Degrees F (-50 to 538-Degrees C) 39-Inch (1m) cable, type K mini connector and banana plug adaptor, Weight: 0.0440924524 pounds, Manufacturer: FLIR Systems

Test-meter.co.uk

Type K thermocouple with 1m cable, measures -50˚C to 538˚C. Compatible with type K instruments and standard 4mm banana plug adaptors. Versatile temperature sensor for precise measurements.