Auto Power Off at after 15 Minutes

Pump Works Automatically So there is No Hand Pumping and Techs Can Pause the Pump at any Time to Save Battery Life

The SOX3 Oxygen Sensor Indicators Tells Techs When a New Sensor is Needed, with Calibration Data Stored on the Sensor, it Can be Swapped Out in Seconds, So there is Never a Need to Send Your Instrument in for Calibration

The Threaded R-Cone Holds the Barrel Firmly in the Flue and the Strong Magnet on the Back of the SOX3 Holds the Instrument Firmly to the Side of the Flue, While the Internal Electric Pump Does All the Work, Techs Simply View the Results on the Triple Line Display

Quickly Calculated and Displayed on the Screen, the SOX3 is Combustion Efficiency Calculation is Great Measurement to Help Determine the Health of a Furnace

RoHS Compliant

Worklight

4 Line Backlit LCD Display

179 Memory Positions

User Customizable Parameters View

Individual Report Printouts

Unique DMM Style Rotary Selector

Protective Boot with Integral Magnet

Real Time Clock

Measures CO2, CO, Ambient CO, Differential Temperature, Differential Pressure