Description Description Testo Laboratory Probe - Glass Coated Laboratory probe, glass-coated, exchangeable glass pipe, resistant to corrosive substances. Specs Pt100Technical dataMeasuring range-58 to +750 °FProbesTechnical dataProbe diameterØ .24 inAccuracy classClass A (-50 to +300 °C), Class B (remaining range)Connection cable listFixed cableProbe length8 inResponse time45 sec. Includes Videos Resources Software / App