Testo 340/350 O2 Replacement Sensor$332.00 Testo 340/350 O2 Replacement SensorĀ Call us for a quote Product Model: 0393 0000 Testo 340/350 O2 Replacement Sensor quantity Add to cart SKU: 0393 0000 Categories: Testo 340 - Combustion Analyzer Kits Upgrades Accessories Sensors & Probes, TESTO 340 & 350 Replacement Sensors, Testo 350 Emission Analyzers: Kits Sensors Upgrades Accessories & Probes Tag: testo replacement sensors Related products Testo easyEmissions Software for Testo 300 340 &350 with USB to mini USB cable0 out of 5 $619.00 Add to cart Testo 340 NO Sensor Upgrade (low range)(0-300 ppm 0.1 resolution)0 out of 5 $1,974.00 Add to cart Testo 340 Replacment Filter for CO Sensor (Blocks NO)0 out of 5 $220.00 Add to cart