Teledyne M300EM User Manual

Page of 398
Calibration Procedures 
Teledyne API – Technical Manual - Model 300E Family CO Analyzers 
190 
 
9.2.2. PERFORMING A BASIC MANUAL CALIBRATION CHECK 
 
 
 
NOTE  
If the ZERO or SPAN keys are not displayed, the measurement made during is out of the allowable range 
allowed for a reliable calibration.   
See Section 12 for troubleshooting tips.   
 
04288D DCN5752