JULABO CF40 Cryo-Compact Circulators - Manual (Page 10)

Operator responsibility – Safety instructions
10
Warning functions and safety installations
Excess temperature protection adjustable from 0 °C ... 220 °C
Low liquid level protection float switch
Classification according to DIN 12876-1 class III
Alarm message optical + audible (permanent)
Warning message optical + audible (in intervals)
Overload protection for compressor and pump motor
Supervision of working sensor plausibility control
Reciprocal sensor monitoring between
working and safety sensors
difference >35 K
Environmental conditions according to IEC 61 010-1:
Use indoors only.
Altitude up to 2000 m - normal zero.
Ambient temperature: see Technical specifications
Humidity:
Max. relative humidity 80% for temperatures up to +31 °C,
linear decrease down to 50% relative humidity at a temperature of +40 °C
Max. mains voltage fluctuations of ±10% are permissible.
Protection class according to IEC 60 529
IP21
The unit corresponds to Class I
Overvoltage category II
Pollution degree 2
Caution:
The unit is not suitable for use in explosive atmosphere
EMC requirements according to EN 61326-1
This unit is an ISM device classified in Group 1 (using high frequency for internal purposes),
Class A (industrial and commercial range).