Water-quality and process-conductivity monitoring requirements vary by application. NK Instruments Pvt. Ltd. offers a complete range of Conductivity and TDS instruments spanning 0–19,999 μS/cm conductivity and 0–10,000 ppm TDS, with different cell constants starting from 0.01 up to 10. The range includes three capability levels-Indicator, Controller, and Transmitter-all built around the same reliable online Conductivity/TDS electrode. Each level adds functionality, allowing you to choose only the automation your process requires.
STEP 1 - Conductivity / TDS Indicator - See the Reading
The starting point for any
conductivity or TDS monitoring setup. NK Instruments offers Online Conductivity
/ TDS Indicator (C-181) - available as panel-mounted or field-mounted units,
with or without temperature compensation.
Best for:
•
Simple, local visibility of conductivity or TDS readings
•
Spot-checking or continuous local display without
automated control
•
Budget-conscious monitoring points across a facility
STEP 2 - Conductivity / TDS Controller - See It, Then Act On It
Everything the Indicator offers,
plus automated control. NK Instruments manufactures Online Conductivity / TDS
Controllers supplied with the Online Conductivity Electrode, available in
Temperature Compensated and non-compensated versions, and offered as Field
Mounted (Integral) or Panel Mounted units. Choose Single Relay or 2 Relay
configurations to hold conductivity within your desired set limits
automatically. The TDS Indicating Controller follows the same architecture for
TDS-based monitoring.
Best for:
•
Automatically triggering dosing pumps, valves, or
alarms when conductivity/TDS drifts out of range
•
Reducing manual intervention in RO plants, cooling
towers, and rinse-water monitoring
•
Applications needing on/off control without a full
plant-wide SCADA integration
STEP 3 - Conductivity / TDS Transmitter - See It, Act On It, and Report It
The most capable tier in the
range. The Online Conductivity Indicating Transmitter and Online TDS Indicating
Transmitter combine local indication with a transmitted output signal, allowing
the reading to be picked up by a PLC, SCADA, or plant-wide control system - not
just displayed or switched locally. This is the tier NK Instruments' pharma and
food industry customers rely on most, since it supports centralized, auditable
water-quality monitoring across a full production line.
Best for:
•
Integration with a central control room, PLC, or SCADA
system
•
Pharma, food & beverage, and other regulated
industries needing continuous, logged water-quality data
•
Multi-point plants where conductivity/TDS data from
several locations needs to be centrally monitored
🎯 Bottom Line
Start with an Indicator if you
simply need reliable local visibility. Step up to a Controller when you need
the instrument to act - triggering relays to hold conductivity or TDS within
set limits automatically. Choose a Transmitter when that data needs to leave
the panel entirely and feed into your plant's larger control or monitoring
system. All three tiers share the same electrode-based sensing technology, so
upgrading later doesn't mean starting from scratch.
Not sure which tier fits your
process? Our team can help you match the right instrument to your application
and industry requirements.
📄
Documentation
Catalogues available for the
full Conductivity and TDS Instruments range - reach out and we'll share full
specs for your specific application.
Get in
Touch
•
🌐
www.nkinstruments.com
•
📧
sales@nkinstruments.com
•
📞
022-41311330/1332/1334 | +91 8108125494 / 7718817685 / 9987275354
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