Plug-in humidity probe head replacement for 625 (2.5%)$180.00 Testo 625 ONLY Call us for a quote Product Model: 0636 9725 Plug-in humidity probe head replacement for 625 (2.5%) quantity Add to cart SKU: 0636 9725 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products Connector cable high pressure probes0 out of 5 $182.00 Add to cart NO2 replacement sensor (0-520 ppm 0.1 ppm resolution)0 out of 5 $835.00 Add to cart Handle for plug in thermocouples0 out of 5 $132.00 Add to cart