Ametek Thermox 2000 ATEX Series User Manual page 23

Remote Calibration Unit (RCU):
O2 Only RCU
O2 & Comb RCU
Enclosure
NEMA 4X (IP56)
Environment
AmbientTemperature: -18°C to 70°C
Humidity: 0 to 90%, non-condensing
Max Altitude: 2000 Meters
IEC Installation (Overvoltage) Category: II
IEC Pollution Degree 2
Compliance:
EMC Compliance: 2004/108/EC
Electronics Safety Compliance: 73/23/EEC
ATEX Directive 94/9/EC
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Specifications 2-5