Extech RTD Probe Extech 850185 Sonda De Temperatura RTD (30 A 220 °C Wide Range -200 To 500C Probe This RTD probe is for use with Extech Model 407907., Temperature range form -40 to 932F (-40 to 500C). This RTD probe is for use with Extech Model 407907. Temperature range form -40 to 932°F (-40 to 500°C). Product comes with a 6 month warranty. CE certified Product comes with a 6 month warranty., CE certified. Termopar Tipo Rtd De Uso General 40 A 500°c Extech 850187 | Meses sin... Product Description The Extech 850187 is a general purpose RTD temperature probe. TSC-EX ATEX RTD (Thermal resistance) temperature sensor Platinum RTD temperature sensor (100 Ohm)