MOD-LH Light / Horn / Enclosure Modification Series

Brand: Precision Digital Corporation

The MOD-LH Series is available in three different light configurations.

The MOD-LH can be powered from the ProVu’s 200 mA transmitter power supply with enough power left over to drive most transmitters.

When MOD-LH is ordered, the accompanying enclosure on the order comes with the holes pre-drilled for the Light / Horn and the Reset Button and the user performs the mounting and wiring.

Meter and enclosure are sold separately.

The Light / Horn and the Reset Button can also be ordered as separate items and the user performs all hole-drilling, mounting and wiring as desired.
  • Holes Drilled for Light / Horn and Reset Button in Enclosure
  • Single Lights Available in Red, Green, Yellow, Blue, or White
  • Units with One of Five User Selectable Lights Available
  • Units with Three Layered Lights Available
  • ProVu Meter Can be Equipped with up to 8 Relays to Drive Variety of Light & Horn Configurations
  • Light / Horn Programmable for Variety of Reset Functions, Including:
  • Silence Horn at Any Time
  • Light Stays on Until Alarm Clears
  • Light Can Be Wired to Flash: Not Available on MOD-LH5CB1 or Stay Steady On
  • IP 65 Rated
  • 85 dB Horn
  • Operates from -5 to 40°C / 23 to 104°F


Recommended for These ProVu Models

  • PD6000
  • PD6001
  • PD6100
  • PD6200
  • PD6300

Light Colors

  • MOD-LHRB1: Red
  • MOD-LHGB1: Green
  • MOD-LHYB1: Yellow
  • MOD-LHBB1: Blue
  • MOD-LH5CB1: User selectable: Red, Green, Yellow, Blue, or White
  • MOD-LH3LCB1-RYG: 1 layer each of Red, Yellow, Green (Consult factory for other colors available).
  • MOD-LHWB1: White

Light Action

  • Can be wired to flash (Not available on MOD-LH5CB1) or Stay steady on

Light / Horn & Reset Button Installation

  • When MOD-LH is ordered with an enclosure, the user performs installation and wiring of Light / Horn and Reset Button in pre-drilled holes


  • 85 dB


  • IP65

Light / Horn Independence

  • Light and horn can be controlled via separate relays

Power Requirement

  • When Mounted remote: 24 Vdc
  • No additional Power Required when wired to a ProVu meter.

Transmitter Power Supply

  • 200 mA

Power Requirement (MOD-LH & MOD-LH5CB1 Models)

  • Green: 15 mA
  • Yellow: 23 mA
  • Blue: 15 mA
  • White: 42 mA
  • Horn: 20 mA
  • Red: 17 mA

Power Requirement (MOD-LH3LCB1-RYG)

  • Red: 34 mA
  • Green: 29 mA
  • Yellow: 33 mA
  • Horn: 38 mA

Reset / Silence Button

  • NEMA 4X, may be wired to F4 terminal on ProVu
  • F3 Front Panel button can also be used to reset Relays.

Reset Button Labels

  • The Light / Horn accessory comes with 9 pre-printed message labels the user can affix under the Red Button: RESET, BATCH, ACK, TARE, SILENCE, STOP, START, PAUSE, START/STOP

Light / Horn Mounting Connection

  • M22

Hole Sizes

  • Light / Horn: 0.875” (22 mm)
  • Reset Button: 0.630” (16 mm)

Cable Length

  • 3.28 feet (1 metre)

Operating Temperature Range

  • -40° to 40° C (-40° to 104° F)


  • 1 Year


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