Mighty Module Model LP400
Field Mount Loop Powered Display


TERMINAL CONNECTIONS

Current +
Current -
Tie Points


PIN +
PIN -
PIN Center Pins

Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument

Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Catalogue
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Manual


Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument


Features

Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Provides 3 1/2 Digit Liquid Crystal Display (LCD) Proportional to a Process Loop Current
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Loop Powered (4/20mA or 10/50mA)
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Easy-to-Read 0.8 inch Digits
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Trailing Dummy Zero (19990)
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Switch-Selectable Engineering Units/Loop Current Display
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument Splashproof and Corrosion Resistant Housing
Field,Mount,Loop,Powered,Display,Model LP400,Wilkerson Instrument 5 + 5 Year Warranty


Description

The LP400 Loop Powered Display provides digital indication of a4/20 mA or 10/50 mA process loop signal. The display takes its operating power from the loop current and requires no other source of power.

Wide-ranging zero and span adjustments plus switch-selectable decimal point location and trailing zero allow the display to be calibrated in engineering units. A front panel Engineering Units/Loop Current switch permits an accurate check of the actual process loop current without recalibration.

Designed for field mounting, the LP400 is splashproof and corrosion resistant and operates from -40 to 185ºF (-40 to 85ºC). The circuit board is conformal coated for protection from humidity and contamination. Optional accessories include a pipe mounting kit(PMK400).

Typical Applications

Displaying process variables where line power is not available.

Mounting

The LP400 may be mounted on a wall or panel or on the end of a 3/4 inch NPT conduit or pipe stub (requires 3/4 inch conduit fitting). An optional pipe mounting kit, Model PMK400, enables the LP400 to be strapped to vertical or horizontal pipes up to 12 inches in diameter. 

Specifications

INPUT RANGE
4/20 mA or
10/50 mA

INPUT VOLTAGE DROP
3.5 V max
  (equivalent to 175 ohms at 20 mA
  or 70 ohms at 50 mA)

DISPLAY
Digit Size 0.8 inch LCD
  3 1/2 digits, 
  1999

Switchable Decimal Points and 
Trailing Zero 
  1.9.9.90

Control Range Zero
  1999

Span
  min span 10/max span 3998
    (full scale minus zero)

Update
  3/sec

DISPLAY SWITCH
allows quick check of loop current
  (400/1999 or 100/500)
  Decimal point remains in engineering
  units position

ACCURACY
0.05% of reading plus 1 digit

OPERATING TEMPERATURE
-40ºF to 185ºF
-40ºC to  85ºC

TEMPERATURE STABILITY
(0.01% of span plus 0.01%
of display zero offset)/ºC

POWER
supplied by input current no separate power required

HOUSING
splashproof and corrosion resistant

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METEX CORPORATION LIMITED

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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.

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