Endress+Hauser RTA421 Mode D'emploi page 45

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Installation conditions
Installation angle No limitation
Ambient conditions
Ambient
- 20 °C..+ 70 °C
temperature
Storage temp.
- 20 °C..+ 70 °C
Climatic class
To IEC 60 654-1 Class B3
Protection
IP 20
Electrical
Environment < 2000 m altitude
security
EMC / immunity
Norm
To IEC 61326, Class A (industral environment)
Safety
Norm
To IEC 61010-1
Over voltage category II,
Installation area excessive current system ≤ 10 A
Construction
Top hat DIN rail mounting to IEC 60715 TH 35
housing
Dimensions
H: 110 mm, W: 45 mm, D: 112 mm
Weight
approx. 150 g
Materials
Housing: Plastic PC/ABS, UL 94V0
Electrical
Keyed, plug on screw terminals, size up to 2.5 mm²
connection
Display
LED:
LC display:
Numeric display:
Alarm set point condition:
Bargraph:
Display range
2 x 0 to 99 %
Operation
3 push button operation (-/+/E)
Mode
Minimum, maximum
Switch threshold 00 to 99 %
01 to 100 %
Hysteresis
Time delay
00 to 99 s
Reaction time
0.4 s
Operation, 1 x green (2.0 mm)
Fault condition, 1 x red (2.0 mm)
Alarm set point, 2 x yellow (2.0 mm)
4 x 7 segment (6 mm)
2 x channel number,
4 x 1 segment
10 x 1 segment
Contactor
Application
conditions
Mechanical
construction
Display and
operating level
Alarm set point
function
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