Testo 340 & 350 CO Replacement Sensor (Low Range)(0-500 ppm)$869.00 Testo 340 & 350 CO Replacement Sensor (Low Range) (0-500 ppm) Call us for a quote Product Model: 0393 0102 Testo 340 & 350 CO Replacement Sensor (Low Range)(0-500 ppm) quantity Add to cart SKU: 0393 01020 Categories: Testo 340 - Combustion Analyzer Kits Upgrades Accessories Sensors & Probes, TESTO 340 & 350 Replacement Sensors, Testo Sensors Parts & Accessories Tag: TESTO 340 & 350 Replacement Sensors Related products Testo 340 Analyzer Options – Dilution overall 2x0 out of 5 Read more Calibration service – one (1) gas & NIST0 out of 5 $225.00 Add to cart Testo 340 NO2 Sensor Upgrade (0-500 ppm 0.1ppm resolution)0 out of 5 $1,974.00 Add to cart