PTFE long wire Fridge, Freezer, or Oven Temperature Probe - This PTFE insulated exposed junction wire thermocouple temperature probe is suitable for measuring the air temperature in fridges, freezers and ovens. Other suitable uses include measuring concrete temperature. It will fit a wide range of ETI thermometers. Response time less than 0.5 of a second. Probe temperature range -60 to 250°C. Probe dimensions are 1.5 x 2000mm.