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IoT TDS and water quality monitoringEvaraTDS

Water quality at a glance

Inline TDS monitoring at RO outlets, running 24×7 with temperature-compensated readings.

How it works
EvaraTDS IoT TDS and water quality monitoring device
0 to 2000 ppm
TDS range
±2% FS
Accuracy
30 days
Battery life

The problem

Why this exists.

Water quality is usually checked with occasional manual sampling, if at all. Users have no continuous visibility into whether their water is safe or within acceptable limits, and contamination or drift goes unnoticed until it becomes a problem.

How it works

The operating principle.

EvaraTDS sits inline at the RO storage tank and measures total dissolved solids and temperature continuously. Readings are temperature-compensated and median-filtered on-device before being streamed to the cloud for trends and alerts.

RO storageEvaraTDSinline · 24×7TDS168ppmEC336µS/cmTemp27.4°CGoodWatchHightemperature compensated · median filtered
An inline probe samples continuously at the RO outlet, corrects for temperature, and takes a median across readings so one noisy sample never raises a false alarm.
  1. 01

    Sense

    Inline sensors capture TDS and temperature continuously through the monitoring cycle.

  2. 02

    Compensate

    Local processing corrects for temperature, which otherwise skews conductivity readings.

  3. 03

    Filter

    A median across multiple readings suppresses sensor noise and transient spikes.

  4. 04

    Stream

    Processed values are transmitted for storage, live trends and out-of-range alerts.

Capabilities

What it does.

Real-time TDS monitoring

Continuous measurement across the full 0 – 2000 ppm range.

Temperature compensation

A built-in sensor corrects readings that conductivity alone would skew.

Threshold alerts

Custom warnings for high TDS and failing water quality.

Cloud connected

Live sync with the EvaraOne dashboard.

Data insights

Historical trends, reports and quality analytics.

Anti-corrosion probe

Titanium alloy probe holds accuracy over the long term.

Where it's used

Built for these places.

Retrofit-first, so it installs onto infrastructure that is already there. No pipe cutting, no civil work, no permits.

  • Drinking water quality monitoring
  • RO plant monitoring
  • Water treatment plants
  • Industrial process water
  • Aquaculture & hydroponics
  • Swimming pools
  • Community water projects

See it work

This is what EvaraOne shows for it.

A live simulation of the EvaraTDS tile in the platform. The reading ticks, the trace draws, and you can cause the fault it exists to catch.

EvaraOne· EvaraTDS · RO outlet, Bakul

TDS

86ppm

Last 30 minutes86 ppm
Try it
Alerts
  • Nothing to report. Press a button above to cause a fault.

Questions

About EvaraTDS.

What does EvaraTDS measure?
Total dissolved solids from 0 to 2000 ppm at 1 ppm resolution and 2% full-scale accuracy, plus water temperature, which it uses to compensate the reading.
Where is it used?
Drinking water lines, RO plant outlets, water treatment plants, industrial process water, aquaculture and community water projects. Wall or pole mount.
How long does it run and how does it connect?
Up to 30 days on its 5200 mAh battery, reporting over 4G, NB-IoT, WiFi or LoRaWAN every 1 to 15 minutes.

Ready to make every drop measurable?

Talk to the team building the operating system for water infrastructure, from a single tank to an entire smart city.