A.3
Performance specifications
A.3.1
Hysteresis (water)
0.1 in. (2.5 mm)
A.3.2
Switching point (water)
0.5 in. (13 mm) from fork tip if mounted vertically.
0.5 in. (13 mm) from the fork edge if mounted horizontally.
The switching point varies with different liquid densities.
A.3.3
Liquid density requirements
Minimum liquid density is 37.5 lb/ft
3
(600 kg/m
3
).
A.3.4
Liquid viscosity range
Up to 10000 cP (centiPoise)
A.3.5
Solids content and coating
The maximum recommended diameter of solid particles in the liquid is 0.2 in. (5 mm).
Avoid bridging of forks (fork-to-fork).
A.4
Electrical specifications
A.4.1
Protections
Table A-3: Electrical Protections
Protection
Availability on Cassettes
Polarity insensitive
Relay (except 12 Vdc version) and Direct Load
electronics
Over-current protection
Direct Load and PNP/PLC electronics
Short-circuit protection
Direct Load and PNP/PLC electronics
Load-missing protection
Direct Load and PNP/PLC electronics
Surge protection (to IEC61326)
All electronics
A.4.2
Terminal connection (wire diameter)
Minimum 26 AWG, maximum 14 AWG (0.13 to 2.5 mm
2
). Note national regulations.
Reference Manual
Specifications and reference data
00809-0100-4030
March 2022
Rosemount 2120 Level Switch
67
Содержание Rosemount 2120
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