Replaceable sensor for the AlcoScan AL3500 Coin Operated Breathalyzer Machine.
Please purchase the corresponding module version for your breathalyzer. Simply open the back of your machine and determine if your module is a push-type or screw-type. The push-type sensor will be rectangular in shape, while the screw-type will appear more square in shape.
If you have any questions, please feel free to contact one of our helpful experts to assist you during checkout