Characteristics of the measurement evaluation unit UM-X
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1 Characteristics of the measurement evaluation unit UM-X
The measurement evaluation unit UM-X is a stand-alone filling level display for continuous
level sensors. It is directly driven from the power supply and serves at the same time as a
power supply for the level sensor. The filling level can be presented in both analogue and
digital form on the graphic display.
The measurement evaluation unit UM-X also provides five potential-free changeover contacts.
The switching points for the five relays are set via 4 display buttons and the state of the relays
is shown on the display.
The measurement evaluation unit UM-X
• can be used for any level sensors with a 4-20 mA interface
• can be supplied with ATEX approval (intrinsically safe electrical circuit)
• can be supplied as an approved overfill protection device (see manual Overfill Pro-
tection, German, art. no. 207124)
• displays the filling level in digital and analogue form
• has five potential-free changeover contacts as binary outputs
• offers an easy menu-based operation via a graphic display
• is installed in a splash-proof housing
There are 4 versions of the measurement evaluation unit UM-X:
UM-S
Standard version: Evaluation unit with 5 relay outputs and connector for a continuous level
sensor and for an external acknowledge button.
UM-O
Evaluation unit with 5 relay outputs and connector for a continuous level sensor and for an
external acknowledge button.
Approved as an overfill protection device.
UM-Ex
Evaluation unit with 5 relay outputs and connector for a continuous level sensor and for an
external acknowledge button.
Approved for the connection of an explosion-proof sensor (intrinsically safe sensor circuit).
UM-O Ex
Evaluation unit with 5 relay outputs and connector for a continuous level sensor and for an
external acknowledge button.
Approved as an overfill protection device and for the connection of an explosion-proof sensor
(intrinsically safe sensor circuit).
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