The term IP68-50T105 refers to a class of temperature sensors—specifically NTC thermistors—used in HVAC, refrigeration, and industrial applications. Here's what each part of the designation typically means:

Breakdown of “IP68-50T105”

• IP68:
  • Ingress Protection rating
  • Fully dust-tight and protected against continuous immersion in water
  • Ideal for harsh or wet environments
• 50T105:
  • Temperature range: 50 C to +105 C
  • Suitable for cold rooms, freezers, and general HVAC systems

Typical Sensor Example

One matching product is the Carel NTC015WH01 sensor:

• Type: Passive NTC temperature probe
• Resistance: 10  25 C
• Cable Length: 1.5 meters
• Dimensions:
  • Diameter: 0.237 inches (6 mm)
  • Weight: 0.05 lbs (23 g)
• Applications:
  • Refrigeration cabinets
  • Cold rooms
  • Data centers
  • Residential HVAC