PSU Series User Manual 
6 
Do not dispose electronic equipment as unsorted 
municipal waste. Please use a separate collection 
facility or contact the supplier from which this 
instrument was purchased. 
Safety Guidelines 
 
General 
Guideline 
 CAUTION 
  Do not place any heavy object on the PSU. 
  Avoid severe impact or rough handling that 
leads to damaging the PSU. 
  Do not discharge static electricity to the PSU. 
  Use only mating connectors, not bare wires, for 
the terminals. 
  Do not block the cooling fan opening. 
  Do not disassemble the PSU unless you are 
qualified. 
(Measurement categories) EN61010-1:2010 and EN61010-2-030 
specifies the measurement categories and their requirements as 
follows. The PSU falls under category II. 
  Measurement category IV is for measurement performed at the 
source of low-voltage installation. 
  Measurement category III is for measurement performed in the 
building installation. 
  Measurement category II is for measurement performed on the 
circuits directly connected to the low voltage installation. 
  0 is for measurements performed on circuits not directly 
connected to Mains. 
  AC Input voltage range: 85Vac~265Vac 
  Frequency: 47Hz to 63Hz  
  To avoid electrical shock connect the protective 
grounding conductor of the AC power cord to 
an earth ground.