Controls and Instruments by RODI Systems

RODI's products are now monitoring and controlling more than 10,000 installations around the world.

RODI designs and manufactures custom monitoring, controls, and instrumentation packages. We've been serving water treatment end users, original equipment manufacturers (OEM's), and service companies for more than 20 years with a complete line of high quality instruments, PLC-based control systems, and motor control centers.

Why not use ONE custom controller to replace multiple meters, instruments, and other controllers?  

RODI’s AquaLynx® products are dedicated controllers designed and programmed for specific applications. 

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200 ADX Brochure

AQUA-LYNX® 200 ADX

This water treatment monitoring and control system is designed specifically for aquaculture, filtration, and waste water treatment applications. This unique, compact, multi-parameter control unit is capable of monitoring and controlling a wide range of water treatment processes.

• Reduce Installation Costs by using one controller to monitor multiple parameters including dissolved oxygen, turbidity, and suspended solids
• Easy to Learn and Use with an intuitive touchscreen interface
• Highly Customizable with flexible programs
• Multiple Control Functions
• Logs All Operating Data

Suitable for:
Reverse Osmosis Pretreatment  •  Wastewater Treatment  •  Media Filtration Systems  •  Micro-Filtration  •  Ultra-Filtration  •  Aquaculture

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250 RO V2 Brochure

AQUALYNX® 250 RO V2

This compact monitoring and control system is designed specifically for commercial and light industrial Reverse Osmosis (RO) applications. With microprocessor technology, it offers automatic control of the typical RO functions.

• Two Temperature Compensated Conductivity Inputs with percent rejection and adjustable alarm setpoint
• Water Temperature Input with adjustable high temperature shutdown
• Pretreatment Interlock
• High Tank Level Shutdown
• Low Tank Level Restart
• Inlet Valve Control
• Chemical Pump or Feed Pump Control
• High Pressure Pump Control
• Low Feed Pressure Sensing
• High Membrane Pressure Sensing
• Flush Valve Control with adjustable flush interval and duration
• Permeate Diversion Valve Control
• Alarm Output
• Data Logging

Suitable for:
Light Industrial RO System Monitoring and Control  •  Commercial RO System Monitoring and Control  •  Reverse Osmosis Data Monitoring and Control

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WATER LEAK DETECTOR 300A

The Model WLD 300A is designed to detect leaks of water or other conductive fluids. The WLD 300A is a cost-effective means to monitor for leaks on or near commercial water treatment systems, HVAC units, laundry equipment, or any location where an undetected leak could cause damage. This leak detection unit may be calibrated to local conditions and it is capable of sensing high purity water.

Installation and Operation

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Suitable for:
High Purity Water Treatment Systems  •  Commercial Buildings  •  Boilers  •  Heating and Cooling Systems  •  Laundries  •  Electro-Deionization  •  Chemical Injection Systems  •  Wastewater Treatment Systems  •  Water Softeners  •  Leak Detection

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TU 7685 TURBIDITY METER

The measurement of turbidity is a key test of water quality. The TU 7685 is a versatile turbidity meter that demonstrates excellent sensitivity. It is panel-mounted in a standard 1/4 DIN cutout and is designed to be used with the TU 810 turbidity sensor. 

• 7685 Turbidity Meter may be located up to 300 feet from the Turbidity Sensor
• 810 Turbidity Sensor may be used submerged
• Use with the TU 910 Sensor Manifold for "flow through" applications

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Suitable for: Measuring the Cloudiness or Haziness Caused by Suspended Solids  •  Water Quality Testing  •  Turbidity Monitoring  • Turbidity Control