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The Leader in Analytical Services

We service every analyser on your plant — Gas Chromatography, Process, Environment and Liquid — installed, calibrated and supported across India.

Plus our own Chroma Nexus and Nexus Cloud SAAS — purpose-built for OCEMS compliance.

Trusted by industrial process plants

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Our Products

Built in-house for OCEMS compliance.

From the data logger on the panel to the cloud dashboards your auditors review — both halves of the Nexus stack are ours.

Chroma Nexus Data Logger

Hardware

Chroma Nexus

Data Logger · OCEMS edge gateway

  • Modbus RS485/RTU & TCP/IP · 6-channel 4-20 mA · 4G LTE + WiFi + Ethernet
  • CPCB 2025 API push with AES-256 · all State PCB APIs supported
  • Network failure handling with server backfill · CSV export
Learn more
Nexus Cloud dashboard running on a workstation

Cloud Platform

Nexus Cloud SAAS

Live readings · CPCB push · alert history

  • Live sensor readings refreshing in real time
  • CPCB push results with 24-hour integration sparklines
  • Hourly history and 30-second calibration samples for any date
Learn more

Why Choose Us

Why choose Chroma Tech ?

We deliver cutting-edge analytical solutions with a customer-centric approach — tailored to the unique needs of every client. Custom analysers, specialised testing services and comprehensive analytical support.

4

Four commitments,
one accountable team.

  1. 01

    Safety

    We commit to take personal responsibility in meeting all safety requirements at workplace, for all our products and environmental standards as well as our own life.

  2. 02

    Quality & Reliability

    We ensure all our clients enjoy peace of mind and trust for all the products, services and solutions that we offer.

  3. 03

    Professionalism & Customer Focused

    We strive to understand and meet customer needs by offering in-depth professional knowledge, fast response and innovative solution for long-term partnership.

  4. 04

    Teamwork & Communication

    We adopt open communication, trusting and caring relationship for achieving common goals and success.

Industries We Serve

Built around the chemistry of your sector.

Different industries face different measurement problems. Chroma Tech engagements are shaped by the matrix you actually have — feed gas, refinery cut, boiler stack or chemical effluent — not by a one-size catalogue.

Oil & Gas

Oil & Gas

Hydrocarbon stream analysis, custody transfer, refinery emissions monitoring.

Fertiliser

Fertiliser

Process gas analysis, ammonia and urea plant monitoring, ambient compliance.

Power & Energy

Power & Energy

CEMS for thermal stations, cooling water chemistry, boiler combustion optimisation.

Chemical Processing

Chemical Processing

Reactor stream characterisation, batch QC, effluent and emissions reporting.

Don't see your sector?

If you operate a process plant anywhere in India and need defensible analytical data, we can almost certainly help. Send us a brief — we'll come back with an approach.

Quick Enquiry

Tell us about your process. We'll recommend the right approach.

Share what you'd like to measure, your operating environment and any compliance requirements. A specialist will reach back within one business day.

No-obligation technical recommendation
Sizing & sample-conditioning advice
WhatsApp follow-up if you need a faster reply

Featured Product

Chroma Nexus Data Logger

Chroma Nexus

Data Logger + Cloud

DIN-rail edge gateway for OCEMS reporting. CPCB 2025 API ready, AES-256 secured. Paired with Nexus Cloud SAAS for dashboards and alerts.

CPCB 2025 AES-256 OCEMS
Explore Chroma Nexus

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