12″ probe 3/8″ diameter w / 5′ hose$270.00 For Testo 320 Call us for a quote Product Model: 0600 9740 12" probe 3/8" diameter w / 5' hose quantity Add to cart SKU: 0600 9740 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For Testo 320 Related products SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart 7.2′ with 13′ stainless braided TC lead 8 pin connector0 out of 5 Read more NO2 replacement sensor (0-520 ppm 0.1 ppm resolution)0 out of 5 $835.00 Add to cart