Testo Cap for bore holes for Ø 12 mm Humidity Probe$61.00 Testo cap for bore holes for Ø 12 mm humidity probe, used to measure equilibrium moisture in bore holes, set package – 52 units Call us for a quote Product Model: 0554 2140 Testo Cap for bore holes for Ø 12 mm Humidity Probe quantity Add to cart SKU: 0554 2140 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products Self service replacement O2 sensor – 325-1 & 325-2 only0 out of 5 $131.00 Add to cart CO Sensor – 327-10 out of 5 $96.00 Add to cart Handle for plug in thermocouples0 out of 5 $132.00 Add to cart