The Starr Instruments Surface Roughness Gauge RTD-300 is an advanced model with separate stylus and motor drive unit for greater access into tight spaces allowing tests on even more surfaces. Advanced data capabilities show the waveform graph on the LCD screen which can be saved into memory for further analysis.
The RTD-200 is a feature packed surface roughness gauge measuring in multiple parameters including Ra, Rz, Rq, Rp amongst others. With included software for data management and a protruding stylus suitable to measure inside holes and curved surfaces, this device is suitable for most applications.
The RTD-100 is a gauge for measuring surface roughness and is best used with flat or large curved areas where access is not an issue. The RTD-100 has a sturdy metal case and is easy to read with a bright OLED dot matrix screen. Measurements are shown in Ra or Rz.
The RTR-1000 is a Surface Roughness meter from Starr Instruments designed for use in a wide range of industrial applications. With is protruding stylus and multiple measurement modes it has many advantages and utilises Bluetooth for wireless transfer of data to PC.