Products / Monitors

Monitors

Fixed monitoring instruments for RO systems, treatment equipment and process applications. Select a model for specifications, applications and local support.

12

models available in this category

HM-500 water testing instrument
Continuous pH/EC/TDS/Temp Monitor

HM-500

HM Digital’s HydroMaster (HM-500) is the most versatile continuous monitor, indicating pH, EC/TDS & Temp °C/°F providing accurate, stable readings the user can rely on. This unit can be wall mounted, is portable due to its rechargeable battery, and can be used as a benchtop monitor with its stand.

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HM-200 water testing instrument
Portable pH/EC/TDS/Temp Monitor

HM-200

The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

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HM-100 water testing instrument
Continuous pH/EC/TDS/Temp Monitor

HM-100

The HM-100 is a pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

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DM-2 water testing instrument
Commercial In-Line Dual TDS Monitor

DM-2

The DM-2 is a commercial-grade monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water, Water treatment, Aquariums, Hydroponics, and many more.

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DM-2EC water testing instrument
Commercial In-Line Dual EC Monitor

DM-2EC

The DM-2EC is a commercial-grade monitor measuring ELECTRICAL CONDUCTIVITY feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as industrial water filtration systems for car washes, window washing, manufacturing, and food processing.

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DM-3 water testing instrument
Commercial In-Line Dual EC/TDS Monitor

DM-3

The DM-3 is a commercial-grade EC/TDS monitor measuring EC/TDS feed (input) water vs. product (output) water of a water filtration system at any time. DM-3 has a large backlit screen that you will be able to see the readings in dark environments. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water, Water treatment, Aquariums, Hydroponics, and many more

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SM-1 water testing instrument
In-line Single TDS Monitor

SM-1

The SM-1 is provides an easy to read single line TDS monitor that provides a digital readout. It is ideal for any water filtration system, including reverse osmosis systems, coolers and much more.

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SM-1EC water testing instrument
In-line Single EC Monitor

SM-1EC

The SM-1EC provides an easy to read single line EC monitor that provides a digital readout. It is ideal for any water filtration system, including reverse osmosis systems, coolers and much more.

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TRM-1 water testing instrument
Triple In-Line TDS Monitor

TRM-1

The TRM-1 is a unique monitor offering the user 3 points of contact during the filtration process. This TDS monitor allows for checking TDS levels at 3 points, such as with DI/RO (deionization / reverse osmosis), multiple points in an RO system, and more.

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FLM-3 water testing instrument
Consumer Flow Meter

FLM-3

The FLM-3 is a consumer flow meter perfect for under-the-sink monitoring of the flow that has passed through your filtration (RO/DI) system.

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LDM-100R water testing instrument
Commercial Grade EC/TDS % Rejection Monitor

LDM-100R

This dual commercial grade monitor gives the user the “In-put” water (Line 1) and “Out-put” water (Line 2) in addition to the % rejection number of how much TDS is being rejected.

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LSM-100 water testing instrument
Commercial grade EC/TDS Monitor

LSM-100

With its extra-large screen, the LSM-1 is an ideal EC/TDS monitor for a commercial or industrial setting.

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