Plug-in humidity probe head for wireless handle$335.00 For 435 / 556 / 560 / 635 / 735 / 882 / 875i-2 / 885-2 / 890-2 / 925 / 926 Plug-in humidity probe head for wireless handle 0 to +100 %RH -4 to 158°F / -20 to +70°C Call us for a quote Product Model: 0636 9736 Plug-in humidity probe head for wireless handle quantity Add to cart SKU: 0636 9736 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products CO Sensor – 327-10 out of 5 $96.00 Add to cart Self service replacement CO measuring sensor – 325-1 & 325-3 only0 out of 5 $219.00 Add to cart SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart