This immersion probe is recommended for immersion applications and is excellent for checking the temperature of water, oils and non-corrosive fluids and gels. REED R2950 Offers Features Measurement range: -58 to 1112°F (-50 to 600°C) For immersion and general purpose applications Fast response time of <2 sec. Compatible with Type-K temperature measuring instruments 6.1" (156mm) probe length 5" (127mm) probe handle length 39" (100cm) wire length Included REED R2950 Type K Immersion Probe