Testo 340 CO Replacement Sensor (Low Range)(0-500 ppm)$835.00 Testo 340 CO Replacement Sensor (Low Range) (0-500 ppm) p/n 0393 0102 Call us for a quote Product Model: 0393 0102 Testo 340 CO Replacement Sensor (Low Range)(0-500 ppm) quantity Add to cart SKU: 0393 01021 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description Testo 340 CO Replacement Sensor (Low Range) (0-500 ppm) p/n 0393 0102 Related products Testo 340 NO Replacement Sensor (Low Range) (0-300 ppm)0 out of 5 $835.00 Add to cart Testo 340/350 O2 Replacement Sensor0 out of 5 $318.00 Add to cart NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart