Model PCH 4020 - Vibro Pen
From Vibration Meters
The PCH 4020 Vibro Pen is easy to use and can follow you everywhere. It is not much bigger than an ordinary ball point pen. It measures the vibration level in the 10 - 1000 Hz frequency range in velocity and complies with the DIN/ISO 10816 standard. Using the PCH 4020 is an easy way of measuring unbalance and misalignment in rotating machinery.