Hi-Tech RO-300 DLX Operation And Maintenance Manual - Page 7

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6.0

OPTIONAL ACCESSORIES

6.1

Conductivity Meter

The conductivity meter measures and displays the conductivity resistivity of the water

sample passing by the unit's sensor.

6.2

Low Inlet Pressure Switch

The low inlet pressure switch is a device used to protect the RO pump in situations where

fluctuations in feedwater pressure are suspect. This pressure switch is mounted to the RO

inlet, pre-wired and pre-plumbed.

The pressure switch is designed to shut the RO machine down in the event of a low pressure

condition.

The pressure switch is designed to shut the machine off when the feedwater pressure is

below 40 psi . The machine will restart when the pressure exceeds 40 psi.

6.3

Permeate and Concentrate Flow Meters

The optional flow meters are panel-mounted and pre-plumbed. These flow meters are the

rota meter style. They allow for convenient at-a-glance information collections. The panel

mounting allows for easy calibration of your machine operation parameters, while adjusting

flow controls and pressures.