IT7300 User’s Manual 
  Copyright © Itech Electronics Co., Ltd.  iii 
  Make sure the vent hole is always unblocked. 
Environmental Conditions 
The  IT7300  series  power supply  can only be used indoors  or in low 
condensation areas. The following table shows general environmental 
requirements for this instrument. 
Operating up to 2,000 meters 
 
  NOTE 
In order to ensure the accuracy of measurement, it is recommended to operate the 
instrument half an hour after start-up. 
Regulation tag 
 
The CE tag shows that the product 
complies with the provisions of all 
relevant European laws (if the year is 
shown, it indicates that the year when 
This instrument complies with the WEEE 
directive (2002/96/EC) tag 
requirements. This attached product tag 
shows that the electrical/electronic 
product cannot 
household waste. 
 
This symbol indicates that no danger 
will happen or toxic substances will not 
leak or cause damage in normal use 
within the spec
service life of the product is 10 years. 
The product can be used safely within 
the environmental protection period; 
otherwise, the product should be put 
into the recycling system. 
 
Waste electrical and electronic equipment (WEEE) directive 
Waste electrical and electronic equipment (WEEE) directive, 
The product complies with tag requirements of the WEEE 
directive (2002/96/EC). This tag indicates that the electronic 
equipment cannot be disposed of as ordinary household