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LMI

LMI DR5000-1A-0 ORP Controller

$2,529.00

  • Model: DR5000-1A-0

  • Function: Continuous ORP (Oxidation-Reduction Potential) monitoring and control

  • Included Components:

    • ORP probe (sensor), Sensor cable, and Tee assembly for in-line installation

  • Control Output: Relay for activating chemical feed pumps or alarms

  • Display: Digital LCD screen for real-time ORP readings

  • Set Points: Adjustable high/low set points for automated response

  • Power Supply: 120/240 VAC universal input

  • Enclosure: NEMA 4X-rated weatherproof housing for indoor or outdoor use

  • Mounting: Wall or panel mountable

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Item No: DR5000-1A-0 Category:
Description

LMI Liquitron ORP Controller
Microprocessor-Based, pH controller, wall mount, limit timers, hi/low alarm, low level and flow switch inputs, custom backlit LCD display.
115 VAC, 50/60 Hz USA PlugOn/Off Pump Control Output.
Units are provided with one 6 ft. (2m) grounded power cord and plug, and two [2] 1 ft (30cm) output power cords with grounded recepticles for pumps.
Recorder Output (not on this model).

Order Separately to complete your installation either a (submersible probe and cable assembly) or (in-line probe, cable assembly, and tee assembly).

Specifications

Detailed Specifications and Applications of the LMI DR5000-1A-0 Controller  

The LMI Liquitron™ DR5000 Series DR5000-1A-0 system provides simple, single-parameter ORP automation for commercial HVAC, aquatic, and industrial liquid processes.  

Use Cases & Industry Applications

  • Evaporative Cooling Towers: Controls chlorine, bromine, or non-oxidising biocide dosing to control Legionella and biological slime.
  • Commercial Pools, Spas & Water Parks: Monitors oxidation potential to maintain safe, compliant sanitiser levels under varying bather loads.
  • Industrial Wastewater Treatment: Controls cyanide destruction and chromate reduction through targeted oxidiser additions.
  • Potable & Rinse Water Disinfection: Maintains constant disinfectant residuals in industrial rinse lines and municipal wash systems.

Key Features & Benefits

  • Prewired USA Plug Configuration: Includes a 6-ft main power cord and two 1-ft output pigtails for plug-and-play installation.
  • Complete Sensor Package: Ships with an industrial ORP probe, sensor cable, and in-line mounting tee for fast plumbing setup.
  • Integrated Safety Interlocks: Features flow switch and drum level inputs to prevent chemical over-feed during zero-flow conditions.
  • Limit Timers & High/Low Alarms: Adjustable limit timers automatically halt dosing if setpoints are not met within specified timeframes.
  • NEMA 4X Polycarbonate Enclosure: Sealed heavy-duty casing withstands harsh weather, high humidity, and corrosive chemical fumes.
  • Custom Backlit Display: Digital LCD screen displays real-time ORP levels and operational status at a glance.
Datasheet

DR5000_datasheet-54121

Replacement Parts

No replacement parts listed for this item yet.

FAQs

FAQs

  1. What components are included with the LMI DR5000-1A-0 ORP controller package?
    The package includes the prewired DR5000-1A-0 controller, an industrial ORP probe sensor, a sensor cable, and an in-line probe tee assembly.
  2. How do the prewired output pigtails work on this DR5000 ORP controller?
    The unit features two prewired 1-foot female output pigtails. You can plug your chemical dosing pump or solenoid valve directly into the pigtail, allowing the controller to power the device on or off based on ORP setpoints.
  3. Does this LMI ORP controller with probe include flow safety lockouts?
    Yes. The DR5000-1A-0 includes dedicated digital inputs for a flow switch interlock and low-level chemical drum switches to lock out dosing relays during low-flow or empty-tank conditions.
  4. What is the benefit of the built-in limit timers?
    Limit timers act as a safety backup. If the controller feeds chemical continuously for a pre-set amount of time without reaching the target setpoint, the limit timer trips and shuts down the pump to prevent chemical spillover.
  5. Can this Liquitron ORP controller be installed outdoors?
    Yes. The controller is built into a weatherproof NEMA 4X (IP65) polycarbonate enclosure designed to withstand outdoor weather, dust, and chemical vapours.
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