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Location 
All electronic products are susceptible to electrostatic 
shock, so follow proper grounding procedures during 
installation. 
 
Ultra 3 must be mounted in a non-hazardous (safe) area, and the transducer 
fitted in the hazardous area.  
 
 
 
 
 
 
When choosing a location to mount the enclosure, bear in mind the following: 
•  Ensure that the Ultra 3 is installed in a “Safe”, non-hazardous, area. 
•  For a clear view of the LCD display it is recommended that it is 
mounted at eye level. 
•  The mounting surface is vibration-free. 
•  The  ambient  temperature  is  between  -4
o
F  and  140
o
F  (-20ºC  and 
50ºC). 
•  There should be no high voltage cables or inverters close by. 
Class I, Div. 1, Group A, B, C & D 
Class II, Div. 1, Group E, F & G