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HOW THE INSPECTOR WORKS:

An electrochemical sensor behind the 

sensor inlet

 shown in the 

image above

 will create an electrical signal when 

carbon monoxide (CO) is sensed. The gas concentration is displayed in 

parts per million

 (PPM). 

HOW TO PERFORM A SELF CALIBRATION:

For reasonable accuracy a frequent calibration is recommended at least once every 6 months. Sensorcon will 
perform this procedure for you or you can do it yourself if you have the necessary 50ppm calibration gas.

Please follow these steps to self calibrate your Inspector:

1.

 Hold 

both 

buttons for 5 seconds to enter calibration mode. Press the 

MUTE

 button at any time to exit.

2. 

In a clean air environment then press the 

MAX

 button to begin the 

ZERO

 calibration. Wait for countdown.

3.

 When zero is complete, use 1/4” OD, 1/8” ID Tygon tubing attached to the calibration gas cylinder and

    sensor inlet to 

ow calibration gas at 0.5L/min, then press the 

MAX

 button to start calibration process.

4.

 The Inspector will then automatically calibrate itself and notify you if a calibration is successful.

Please feel free to contact us if you have any further questions or are in need of technical assistance.

Please Note: 

The Sensorcon Inspector is a professional tool. It does not require very much maintenance with the exception of keeping it clean. 

This is especially important in the area of the sensor inlet. If it gets dirty then simply wipe it clean with a damp cloth or with a damp cotton swab.

Sensor Inlet

Hold down both buttons to begin.

Connect the 50ppm calibration gas.

Wait for the countdown to complete.

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425 Essjay Road Suite 100, Williamsville NY, 14221       Of

ce: (716) 566-2728        sales@sensorcon.com         www.sensorcon.com

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