Vaisala K-PATENTS PR-23 Series - Page 149

9 Sensor specicaons
139
Figure 9.34 Refractometer system PR-23-...-IA/-IF with an STR
3-A approved intrinsically
safe -IA sensor
Other intrinsically
safe -IA sensor
3-A approved intrinsically
safe -IF sensor
Other intrinsically
safe -IF sensor
Figure 9.35 Intrinsically safe sensor nameplates
           
            
            
               
    