Some Intoximeters' instruments require special tools to perform calibrations. These tools are usually supplied with the instruments, but if lost can be ordered here.  Other calibration accessories, like our True Cal line of products, are optional devices that can help take the guess work out of dry gas accuracy checks and calibrations. Learn more about these products by clicking on their picture.

True-Cal II
Alco-Sensor® / Alco-Sensor® III Calibration Screwdriver
Alco-Sensor® IV Calibration Tool
Dry Gas Cylinder Draining Tool Kit
Wetbath Guth Simulator