Description Description Testo Rugged, Waterproof Pt100 Immersion/Penetration Probe Specs Pt100Technical dataMeasuring range-58 to +750 °FProbesTechnical dataConnection cable listFixed cableProbe diameterØ .20 inProbe length4.5 inCable length1.2 mResponse time12 sec.Accuracy classClass A (-50 to +300 °C), Class B (remaining range) Includes Videos Resources Software / App View AllClose