Self service replacement CO measuring sensor – 325-1 & 325-3 only$219.00 Call us for a quote Product Model: 0390 0168 Self service replacement CO measuring sensor - 325-1 & 325-3 only quantity Add to cart SKU: 0390 0168 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products 10.5′ with 13′ stainless braided TC lead 8 pin connector0 out of 5 $420.00 Add to cart Handle for plug in thermocouples0 out of 5 $132.00 Add to cart Telescopic handle for plug in vane probes0 out of 5 $396.00 Add to cart