1M K Type Thermocouple Wire

Amazon

1m Cable length Ideal for use in ovens, fridges and freezers which allow access through the door seals Compatible with any K-Type thermometer or multimeter Temperature range: -40°C to +200°C / -40°F to 392°F Conforms to RoHS directive, Manufacturer: Arctic Hayes

Zoro Tools

Used to measure both air temperature and the temperature of liquids including water, oils, detergents and non-toxic chemicals.