Immersion probe Type K (2)$160.00 For Testo 445, 645. Call us for a quote Product Model: 0604 0493 Immersion probe Type K (2) quantity Add to cart SKU: 0604 04932 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For Testo 445, 645. Related products Plug-in head cable0 out of 5 $81.00 Add to cart TC with tube and plug NiCr-Ni0 out of 5 $366.00 Add to cart SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart