Vibration meter and laser combination tachometer multifunctional meter. Measures acceleration, velocity and displacement plus RPM and linear surface speed.
Extech 461895 Combination Contact/Photo Tachometer. Combination Contact and Non-contact rpm measurements with visible light beam
Combination Contact and Non-contact rpm measurements with laser
Extech RPM10 photo/contact tachometer with built-in InfraRed thermometer. Includes a non-contact IR Thermometer for surface temperature measurements