MR MESSKO COMPACT - Technical Data; Ambient Conditions; Measuring Ranges and Tolerance; Basic Materials and Dimensions

11 Technical data
1015831400/02 EN
11.1 Ambient conditions
Permissible ambient conditions
Location of use Indoors and outdoors, tropic-proof
Operating temperature
1)
-40…+80°C
Storage temperature
1)
-50…+80°C
Ambient air temperature
1)
-50…+80°C
Relative humidity Fog-free up to 80%
Installation altitude
1)
2,000m above mean sea level
Degree of protection IP55 in accordance with IEC60529
Protection class I
Overvoltage category III
Contamination level 2 (within the device)
1)
Extended ranges on request.
11.2 Technical data
Pointer thermometer for
oil temperature
Pointer thermometer for
winding temperature
Compact measuring range -20…+140°C 0…+160°C
Compact RM measuring
range
0…+120°C
0…+160°C
0…+160°C
0…+180°C
Tolerance ±3°C in accordance with DINEN13190 Class1 and
DIN16196
Basic materials
Front ring and housing Sheet steel, galvanized, coated in RAL7033 in ac-
cordance with DINENISO12944-9 corrosion pro-
tection class C4H
Inspection window Laminated safety glass
Temperature sensor Bare brass
Retaining plate Stainless steel