The Calibration Jar for the Dorr-Oliver allows for the proper placement of the cyclone between the sampling pump and the calibration device.

Since cyclones only have one tubing connection, the only method of placing the cyclone in between the pump and calibrator is with the use of a chamber. This jar acts as a chamber.

1. To use, connect insert a cassette into the cyclone.
2. Then place the cyclone into the calibration jar.
3. Connect tubing from the pump to the jar lid and continue on to the cyclone.
4. Connect another piece of tubing from the jar to a primary calibrator