RPM probe mechanical with plug-in head$529.00 Testo 445 Call us for a quote Product Model: 0640 0340 RPM probe mechanical with plug-in head quantity Add to cart SKU: 0640 0340 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description Testo 445 Related products CO Sensor – 327-10 out of 5 $96.00 Add to cart 3.9′ with 13′ stainless braided TC lead, 8 pin connector0 out of 5 Read more NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart