Phcbi MDF-1156 Series, Operating Instructions Manual

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7
ENVIRONMENTAL CONDITIONS
This equipment is designed to be safe at least under the following conditions (based on the IEC 61010-1):
■ Indoor use;
■ Altitude up to 2000 m;
■ Ambient temperature 5 o C to 40 o C;
■ Maximum relative humidity 80% for temperature up to 31 o C decreasing linearly to 50% relative humidity
at 40
o
C;
■ Mains supply voltage fluctuations up to ±10% of the nominal voltage;
■ Transient overvoltages up to the levels of OVERVOLTAGE CATEGORY II;
■ Temporary OVERVOLTAGES occurring on the mains supply;
■ Applicable pollution degree of the intended environment (POLUTION DEGREE 2 in most cases)