SO2 replacement sensor (0-5000 ppm 1 ppm resolution)$525.00 SO2 replacement sensor (0-5,000 ppm, 1 ppm resolution) Call us for a quote Product Model: 0393 0252 SO2 replacement sensor (0-5000 ppm 1 ppm resolution) quantity Add to cart SKU: 0393 0252 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description SO2 replacement sensor (0-5,000 ppm, 1 ppm resolution) Related products Replacement thermocouple for probe 0600 9542 (325)0 out of 5 $180.00 Add to cart Self service replacement CO measuring sensor – 325-1 & 325-3 only0 out of 5 $219.00 Add to cart 5′ probe connection cable0 out of 5 $60.00 Add to cart