With the CEM R-100 Calibration Resistance Box, you can easily obtain the desired resistance value and use it in many areas. It can also be used in antistatic and ESD wristband and shoe (heel) test devices.
The CEM DT-9880 Particle Counter is a portable, memory-equipped particle measurement device with a large 2.8" color display. The device is extremely simple and quick to use, and its design is highly practical.