User Manual
10 
temperature is over 40
o
C; undo the operation only after the ambient 
temperatures drops to  the  acceptable  temperature  range.  Operating 
temperature over the above range would damage the instrument. 
5.  This product is equipped with one blow-out type cooling fan on the 
back board and three in-take cooling fans on inner side of front board. 
Provide room for good ventilation near the cooling fans and keep the 
boards with a space above 10 cm away from the wall. To maintain 
good accuracy, do not block the ventilation holes in the front and the 
rear parts of the unit. 
6.  Although the product is designed with filters to minimize noise from 
AC power source, it is recommended that it be operated in a low power 
noise environment with proper earth ground.    If the power noise is 
unavoidable, please install a power filter. 
1.6  Storage 
The storage temperature range of this product is within -10ºC - 70ºC and R.H. 
should  be  within  80%  without  moisture  condensing.  If  not  operating  this 
product for a long time interval, pack it with original packaging or similar one 
and put it in a dry place without exposure to direct sunlight. 
1.7  Installing Rackmount Brackets 
The power supply is designed to fit in a space of one rack unit (1U) and can be 
mounted in a standard 19-inch rack panel or cabinet. Rack mount brackets must 
be assembled before mounting the unit in a rack. Refer to the following figure to 
assemble the rack mount brackets. 
Rack mount Brackets 










