The Testo Differential Temperature Kit 0554 1208 is a versatile and essential tool for precise temperature measurements. This kit is specifically designed for professionals who require accurate differential temperature readings in various applications. Key Features: Comprehensive Set: Includes two high-quality Velcro probes and a temperature adapter, ensuring seamless integration with the Testo 327. Precision Measurement: Ideal for HVAC technicians, maintenance engineers, and other professionals who need reliable and accurate temperature readings. Easy to Use: The Velcro probes provide a secure and stable attachment to various surfaces, making the measurement process straightforward and efficient.