AC power supply / charger 110V for 475 & 535$182.00 For Testo Models 445, 475, 535, 645 Call us for a quote Product Model: 0554 1143 AC power supply / charger 110V for 475 & 535 quantity Add to cart SKU: 0554 1143 Category: Testo Sensors Parts & Accessories Tags: Power Supply Testo, Testo Sensors Parts & Accessories Related products O2 Sensor 0-21.0 vol%0 out of 5 $93.00 Add to cart NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart Self service replacement CO measuring sensor – 325-1 & 325-3 only0 out of 5 $219.00 Add to cart