In Stock: Free Shipping. UPS Next Day Air and 2nd Day Available. To View Rates Just Add To Cart.


NOTE: For Quantity Discounts click the "Discount Drop Box".

This is the SCREW DOWN type Pre-Calibrated sensor module: 2008 and later models of the AL-3100- AL-3500 ONLY! 

Sensor life usually between 300-500 tests. Simply change the sensor just like changing a battery! Installs in seconds, just snap out and snap in!