Model 3175e Boiler and Cooling Tower

  • NG # 0722602‑HW‑LI‑0602

Model 3175e water treatment conductivity controller delivers accurate, reliable control for boilers and cooling towers. Featuring a 7” responsive touchscreen, updated processor, and familiar 1575e interface, it offers modern connectivity, datalogging, and flexible relay options, ensuring efficient water management, corrosion prevention.

 

 

Manufactured By :
Lakewood Instruments
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Overview

The Model 3175e provides precise boiler and cooling tower conductivity control, with a secondary input for ORP or pH management. Its intuitive touchscreen interface, proven circuitry, and updated processor allow quick setup, datalogging, and email alarm notifications. Users can configure relays for setpoint control, water meter, blowdown, or time-based operations, with up to 12 scheduled feeds. Affordably priced between Model 1575e and NexSys, it ensures efficient, reliable water treatment system management.

 

Specification

Model: 3175

Conductivity range: 50-10,000 μS

Conductivity sensor: 2 electrode

Conductivity Resolution: ± 10 μS (conductivity <5000 μS) / ±100 μS(conductivity > 5000 μS)

Temperature comp.: 500NTC, NONE

Accuracy & repeatability: ± 1.0%

Deadband/Setpoint: Programmable

Auto/Manual outputs: Menu selectable

Interface: 7 inch capacitive touchscreen

Drum Switch Inputs: 2 digital contact inputs

Water meter inputs (2): Contact head, paddle wheel, or turbine

Timers: Max. blowdown time exceeded and relay run time exceeded

Output Signal (1): 4 – 20 mA, isolated or non-isolated optionally powered output for conductivity

Input Signal (1):  4-20 mA, non- isolated internally powered input for conductivity

Output relays: 5, 4 selectable use, 1 blowdown

Relay ratings: 3A each, 10A total

Power: 120/240 VAC 50/60 Hz

Ambient: 32° – 120°F (0 – 49°C)

pH or ORP Sensor: Solution Ground, Single Ended, or Signal Differential

pH or ORO Resolution: 0.01pH, 1 mV for ORP

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