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　　Specifications and Environmental Conditions
  

　　Specifications
 

Environmental Conditions
 

　　Although the instrument has been designed for optimum durability and trouble-free operation, it must be handled with care. The instrument should not be operated in an excessively dusty or dirty environment. Maintenance and cleaning recommendations can be found in the Maintenance Section of this manual.
 

　　The instrument operates safely under the following conditions:
 

　　● temperature range: 5–50°C (41–122°F)
 

　　● ambient relative humidity: 15–50%
 

　　● pressure: 75kPa–106kPa
 

　　● mains voltage within ±10% of nominal
 

　　● vibrations in the calibration environment should be minimized
 

　　● altitudes less than 2000 meters
 

　　● indoor use only