Endress+Hauser RMS621 - Installation, Environment, and Construction

Technical data RMS621
64 Endress+Hauser
10.0.5 Installation conditions
Installation instructions Mounting location
In cabinet on top-hat rail EN 50 022-35
Orientation
No restrictions
10.0.6 Environment
Ambient temperature range -20 to 60 °C (-4 to +140 °F)
Storage temperature -30 to 70 °C (-22 to +158 °F)
Climate class As per IEC 60 654-1 Class B2 / EN 1434 Class ’C’
Electr. safety As per EN 61010-1: environment < 2000 m (6561 ft) height above MSL
Degree of protection • Basic unit: IP 20
• Remote operating/display unit: IP 65
Electromagnetic compatibility Interference emission
EN 61326 Class A
Interference immunity
– Power failure: 20 ms, no influence
– Starting current limitation: I
max
/I
n
≤ 50% (T50% ≤ 50 ms)
– Electromagnetic fields: 10 V/m as per IEC 61000-4-3
– Conducted HF: 0.15 to 80 MHz, 10 V as per EN 61000-4-3
– Electrostatic discharge: 6 kV contact, indirect as per EN 61000-4-2
– Burst (power supply): 2 kV as per IEC 61000-4-4
– Burst (signal): 1 kV/2 kV as per IEC 61000-4-4
– Surge (power supply AC): 1 kV/2 kV as per IEC 61000-4-5
– Surge (power supply DC): 1 kV/2 kV as per IEC 61000-4-5
– Surge (signal): 500 V/1 kV as per IEC 61000-4-5
Steam
Temperature measuring range 0 to 800 °C (32 to 1472 °F)
Pressure measuring range 0 to 1000 bar (0 to 14504 psi)
Measurement and calculation interval 500 ms
Medium Variable Range