DUKIN CMM NeuroMeasure5 Training Basic Course Probe System 3. Probe System 3-1. Probe Head - Automated Probe Head (PH10M, PH10T) - Manual Probe Head (MH20, MH20i, MH8, MIH) 3-2. Probe Sensor - Touch-trigger Probe Sensor (TP2, TP20, TP200) - Scanning Probe Sensor (SP25M) 3-3. Allowable Length and Pressure of Probe 3-4. Stylus