CO Sensor 0-4000 ppm$176.00 CO Sensor, 0-4000 ppm Call us for a quote Product Model: 0393 0053 CO Sensor 0-4000 ppm quantity Add to cart SKU: 0393 0053 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description CO Sensor, 0-4000 ppm Related products NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart Testo 340 SO2 Replacement Sensor0 out of 5 $795.00 Add to cart CO2 replacement sensor kit with board0 out of 5 Read more