Delhi's Trusted Manufacturer ISO 9001 · 14001 · 45001 Certified

Advanced Environmental Monitoring Solutions for a Compliant Future

Drexel Electronics delivers precision Air Quality Monitoring, Stack Emission, Noise, and Water Quality systems – CPCB-compliant, IoT-enabled, and backed by 30+ years of engineering excellence.

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Certified by ISO 9001:2015 ISO 14001:2015 ISO 45001:2018 TUV Approved CE Certified CPCB Compliant
1000+
Successful Installations
30+
Years of Excellence
24/7
Technical Support
100%
CPCB Compliant
Environmental Monitoring Solutions
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Environmental Monitoring Solutions Environmental Monitoring Solutions Environmental Monitoring Solutions
Established 1992

Delhi's Premier Environmental Monitoring Manufacturer

Drexel Electronics and Engineering Products Pvt. Ltd. is a leading MSME-registered manufacturer and systems integrator specializing in real-time pollution monitoring and environmental compliance solutions. With a corporate office in Delhi and manufacturing facility in Mohali, we serve industries, government bodies, and environmental agencies across India.

Since 1992, we have designed, manufactured, and commissioned over 1,000 monitoring systems – from ambient air quality networks and continuous emission monitoring systems (CEMS) to water quality analyzers and bio-medical waste treatment plant monitoring. Every solution is engineered for strict CPCB and SPCB compliance, ensuring our clients are always audit-ready.

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215+
Bio-Medical & Hazardous Waste Management Systems
595+
Stack Monitoring Systems (OCEMS) Installed
320+
Water & Effluent Quality Monitoring Systems
30+
Years of Industry Leadership
What We Do

Comprehensive Environmental Monitoring Services

CPCB-compliant monitoring solutions engineered for India's industrial and regulatory landscape.

🌬️

Air Quality Monitoring Services

Real-time, continuous tracking of PM2.5, PM10, CO, CO₂, O₂, SO₂, and NOx with direct CPCB/SPCB server integration via cloud gateway.

  • 1-minute data frequency with automated SMS/email alerts
  • SIM/LAN-based cloud gateway to CPCB/SPCB servers
  • Customizable parameters per industry requirements
  • 24/7 remote environmental data monitoring
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🔊

Noise Monitoring System Installation

Professional Class 1 & Class 2 noise monitoring for industrial, construction, and urban environments – fully compliant with pollution control norms.

  • Precision dB level tracking with real-time alerts
  • Continuous 24/7 noise pollution monitoring
  • Centralized dashboard integration
  • Weather-resistant outdoor-rated installation
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🌦️

Weather Monitoring Station Setup

Multi-parameter meteorological data acquisition including temperature, humidity, wind speed/direction, rainfall, and atmospheric pressure – integrated with air quality systems.

  • Real-time data logging and cloud storage
  • All-weather sensors rated for Indian climate
  • Customizable sensor configurations
  • Suitable for environmental impact assessments
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✅

Environmental Compliance Monitoring

End-to-end CPCB and SPCB compliance assurance – from continuous emission monitoring (CEMS) to effluent quality tracking and automated regulatory reporting.

  • CEMS for stack gases (NOx, SOx, SPM, CO, CO₂)
  • Online water quality and effluent monitoring
  • Automated compliance reports and audit trails
  • Real-time non-compliance alerts
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📊

Real-Time Pollution Monitoring Solutions

IoT-enabled, cloud-integrated monitoring platforms delivering multi-parameter dashboards, historical trend analysis, and SCADA-based system control.

  • Multi-parameter real-time dashboards
  • Cloud-based storage and mobile app integration
  • Historical data analysis and trend reporting
  • PLC & SCADA-based system architecture
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🌐

Remote Environmental Data Monitoring

Centralized 24/7 oversight of all environmental parameters across multiple sites – accessible from anywhere via secure cloud-based data transmission.

  • Secure cloud data transmission with zero downtime
  • Multi-site monitoring from a single dashboard
  • Real-time SMS, email, and mobile notifications
  • Data export for regulatory submissions
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Our Products

Standard Monitoring Product Range

Factory-tested, CPCB-approved monitoring systems ready for rapid deployment across industries.

Online Stack Gas Monitoring Analyzer – CEMS

Online Stack Gas Monitoring Analyzer (CEMS)

  • Thermal power & pharmacy industries
  • Dyeing units & biomedical waste plants
  • Measures NOx, SOx, CO, CO₂, O₂
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Online Effluent Quality Monitoring Analyzer – ETP/STP

Online Effluent Quality Monitoring Analyzer

  • Patented & innovation-backed technology
  • Detects BOD, COD, TSS, pH, DO, turbidity
  • Remote access via online team portal
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Online Monitoring Analyzer for TVOC – VOC TOC

Online Monitoring Analyzer for TVOC

  • Wall-mounted IP68 cabinet with built-in software
  • 15″ display (optional 7″ touch screen)
  • 3-hour inbuilt battery backup
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Online SPM Monitoring Analyzer – NPL Approved

Online SPM Monitoring Analyzer (NPL Approved)

  • Ferrous & non-ferrous metal industries
  • Cement, textile & chemical processing
  • Probe electrification technology
View Details →
Ambient Air Quality Monitoring System – PM2.5 PM10

Ambient Air Quality Monitoring System

  • Measures PM2.5, PM10, SO₂, NOx, CO, O₂
  • CPCB server data transmission
  • Online calibration & fault diagnosis
View Details →
Bio-Medical Waste Treatment Plant Monitoring System

Bio-Medical Waste Treatment Plant Monitoring

  • Incinerator & autoclave monitoring
  • Barcode & GPS-based waste tracking
  • SCADA for BMWTP facilities
View Details →
Our Edge

Advanced Technology & Innovation

The engineering principles that make Drexel systems the most reliable in the field.

⚡ Probe Electrification Technology

Non-optical, in-situ particulate measurement that delivers accurate SPM readings even in extreme high-temperature environments above 95°C – no optical degradation, no maintenance downtime.

☁️ Cloud Gateway Integration

Seamless SIM/LAN-based data transmission to CPCB/SPCB servers at 15-minute average frequency with encrypted, redundant communication pathways to ensure zero data loss.

🤖 PLC & SCADA Automation

Industrial-grade programmable logic controllers paired with SCADA platforms deliver rock-solid automation, remote control, and real-time supervisory capabilities for any plant scale.

📡 IoT-Enabled Smart Sensors

Next-generation sensors with embedded self-diagnostics and predictive maintenance alerts reduce downtime and enable proactive servicing before failures occur.

🔁 Redundant Communication

Multiple concurrent data transmission pathways – primary and fallback channels – guarantee continuous data availability and regulatory compliance even during network disruptions.

🎛️ Fully Customizable Platforms

Every monitoring solution is configured to match the client's specific site conditions, industry regulations, and performance targets – no one-size-fits-all deployments.

Why Drexel

Why Industry Leaders Choose Drexel Electronics

Eight compelling reasons our clients choose us – and stay with us for decades.

🏆

30+ Years of Industry Expertise

Since 1992, we have continuously advanced environmental monitoring technology, serving government agencies, industries, and consultants nationwide.

✅

Complete CPCB/SPCB Compliance

All systems are designed, manufactured, and calibrated to meet stringent CPCB and SPCB guidelines, ensuring full audit readiness at all times.

🌐

International Quality Certifications

ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, TUV approval, and CE certification reflect our commitment to global quality and safety benchmarks.

🔧

24/7 Technical Support

A dedicated team of qualified engineers and customer care specialists ensures prompt response times, regular preventive maintenance, and uninterrupted system uptime.

🎛️

Tailored, Customizable Solutions

We configure every monitoring system to your site conditions, regulatory obligations, and operational goals – delivering exactly what you need, nothing generic.

🚀

Turnkey Project Execution

From engineering design and in-house manufacturing to on-site installation, commissioning, operator training, and long-term maintenance – complete end-to-end delivery.

💡

Continuous Technological Innovation

We integrate the latest IoT, cloud computing, and automation advancements to deliver superior monitoring accuracy and future-proof infrastructure.

📋

MSME Registered & Government Approved

Registered under MSME with approvals from TUV, CE directives, and recognized by leading pollution control authorities across India.

Industries Served

Monitoring Solutions Across Every Industry

Trusted by diverse sectors requiring rigorous environmental compliance in Delhi, NCR & Pan-India.

🏭

Manufacturing & Industrial

Stack emission, ambient air & noise monitoring

⚡

Power Generation

CEMS for thermal & captive power plants

🧪

Chemical & Pharma

Air, water & effluent quality monitoring

🏗️

Construction & Smart Cities

Dust, air & noise monitoring at project sites

🗑️

Waste Management

Bio-medical, STP & effluent compliance systems

🏛️

Government & Municipalities

City-wide air quality networks & data management

🧵

Textile & Dyeing

Stack emission monitoring for dyeing units

🌊

Water Treatment

SCADA & online monitoring for WTPs & STPs

How It Works

Our Streamlined 6-Step Implementation Process

A structured, transparent approach from first consultation to long-term operational support.

1

Consultation & Assessment

Free site survey, requirement analysis, and regulatory compliance review.

2

System Design

Detailed engineering design, sensor selection & custom configuration.

3

Manufacturing & QC

In-house manufacturing with rigorous quality control and pre-commissioning tests.

4

Installation & Commissioning

Professional installation by certified engineers with full system integration.

5

Training & Documentation

Operator training, regulatory compliance certification & complete documentation.

6

Ongoing Support

24/7 technical support, preventive maintenance, calibration & system upgrades.

Client Stories

What Our Clients Say

Trusted by 1,000+ satisfied clients across India's industrial and government sectors.

★★★★★
Drexel provided us with a complete CPCB-compliant ambient air quality monitoring solution. Their technical team was professional, the installation was seamless, and the 24/7 support has been exceptional. We would recommend them to any organization with environmental monitoring needs.
Environmental Manager
Leading Manufacturing Facility, Delhi
★★★★★
We have relied on Drexel's stack emission monitoring systems for over three years. The accuracy, reliability, and real-time data transmission to SPCB servers have made our compliance reporting effortless. Their after-sales service is truly commendable.
Plant Head
Pharmaceutical Company, NCR
★★★★★
The weather monitoring station deployed by Drexel Electronics exceeded our expectations in every way. The integration with our air quality monitoring system gives us comprehensive environmental data. Their expertise in customization is unmatched in the industry.
Project Director
Smart City Infrastructure Initiative
Compliance & Certifications

Built to Every Regulatory Standard

Every Drexel system is designed and certified to meet national and international environmental monitoring standards.

CPCB Guidelines – Ambient & Emission Monitoring
SPCB State-Specific Pollution Control Regulations
ISO 9001:2015 – Quality Management Systems
ISO 14001:2015 – Environmental Management Systems
ISO 45001:2018 – Occupational Health & Safety
CE Directive 2006/42/EC (Machinery)
CE Directive 2014/35/EU (Low Voltage)
CE Directive 2014/30/EU (EMC)
TUV – International Quality & Safety Certification
National Ambient Air Quality Standards (NAAQS)
Noise Pollution Standards – Industrial & Urban
Emission Standards for Industries – MoEFCC
Get In Touch

Start Your Environmental Compliance Journey Today

Contact Drexel Electronics

📍
Corporate & Manufacturing Address

Plot No 442, Industrial Area, Sector 82,
Mohali, Punjab – 160055, India

📞
Phone Numbers Toll-Free: 1800-123-440098
+91-9316660098
+1-236-209-0098
✉️
Email sales@drexel.in
info@drexel.in
🕐
Business Hours

Mon – Fri: 9:00 AM – 5:30 PM
Sat: 9:00 AM – 2:00 PM | Sun: Closed
24/7 Technical Support Available

SERVICE COVERAGE

Delhi Gurgaon Noida Faridabad Ghaziabad Greater Noida North India Pan-India
📍 Get Directions 📞 Call Now

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Join 1,000+ Industries That Trust Drexel for Environmental Compliance

Whether you need a single ambient air quality monitor or a multi-site real-time pollution monitoring network, our ISO-certified team delivers solutions that exceed expectations – on time and on budget.

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  • Phone Number

  • +12362090098
    +91-9316660098
    Toll-free no :- 1800-123-440098

  • Address

  • Plot No 442,Industrial Area, Sector 82,Mohali Punjab, India 160055

Online CO, CO2, O2 Analyzer

TUV, ISO 14001:2015, ISO 9001:2015, ISO 45001:2018, related to CE Directive(s)