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Designed
specifically for equipment manufacturers who require high accuracy
process monitoring and alarm, the 7HL is easy to configure and use.
Factory calibrated, the 7HL accepts universal inputs selectable
from the front panel and programmable with filtering and sensor
break indication. Additionally, a 10 segment linearization can be
programmed over the entire span. Display accuracy is 0.1% of span
(±1 digit). The 7HL has 2 independent latchable alarm relays,
programmed with password protection for high or low process alarms
with a hysteresis of 0.1 to 5% of span. Alarms can be acknowledged
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automatically,
or manually from the keypad. A bright 4-digit LCD numeric display,
a 2-digit LCD alphanumeric display and 6 panel beacons provide process
variable, engineering units, alarm status and other important process
and configuration information to the operator. There is also a peak
high/peak low detection feature that remembers the highest and lowest
detected process variable reading. This sequence can be reset and
restarted from the front panel. The 7HL is IP54 rated for dusty
environments.
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