
Reliable Temperature Sensing in Chemical Industries: AAVAD’s Triplex and Four Pair RTD Sensor with Flameproof IP67 Junction Box
In the demanding environment of chemical industries, precision temperature monitoring is essential to ensure process stability, product quality, and safety. AAVAD Instrument Pvt. Ltd., a leading manufacturer of high-quality temperature sensors, offers a cutting-edge solution tailored for such industrial needs — the Triplex and Four Pair RTD Sensor with Flameproof IP67 Junction Box.
Why Temperature Monitoring is Critical in Chemical Industries
Chemical processes often involve high temperatures, corrosive media, and hazardous gases, where even slight temperature deviations can affect product composition or safety. Reliable and accurate temperature sensing devices are thus not optional — they are vital for smooth operations and regulatory compliance.
AAVAD’s Triplex and Four Pair RTD Sensor: Designed for Demanding Applications
✅ What is a Triplex RTD Sensor?
A Triplex RTD sensor consists of three RTD elements in a single sheath. This allows:
Redundant measurement for safety-critical applications
Cross-verification for calibration accuracy
Fail-safe operations in continuous process environments
✅ What is a Four Pair RTD Sensor?
A Four Pair RTD sensor contains four individual RTD elements, ideal for:
Multi-point temperature measurement within a single process
Complex process vessels or reactors with varying thermal zones
Advanced control system integration
Key Features of AAVAD RTD Sensors with Flameproof Junction Box
🔹 Flameproof IP67 Junction Box:
Certified for use in hazardous areas (Ex d IIC T6)
Ingress Protection (IP67) ensures complete sealing against dust and water
Rugged aluminum or stainless-steel body for maximum durability
Designed as per IS/IEC standards for flameproof enclosures
🔹 High Accuracy & Stability:
Class A or Class B Pt100 RTD elements (as per IEC 60751)
Stable performance over wide temperature ranges
🔹 Multiple Element Configuration:
Triplex and four-pair options enable redundancy and multi-point monitoring
Customizable stem length, sheath diameter, and material (SS316, Inconel, PTFE-coated)
🔹 Chemical-Resistant Construction:
Suitable for corrosive environments in acidic and alkaline chemical processing plants
Available with PTFE coating or mineral insulation for extended sensor life
Applications in Chemical Industry
Batch Reactors & Mixing Vessels
Distillation Columns
Heat Exchangers
Storage Tanks
Hazardous Gas Handling Units
Solvent Recovery Systems
⚙️ Integration with DCS/PLC/SCADA Systems
AAVAD’s Triplex and Four Pair RTD sensors are designed for seamless integration with automation systems:
Terminal strips or ceramic terminal blocks inside the junction box
Color-coded wiring for easy installation and fault identification
Optional signal conditioning: head-mounted transmitters (4-20 mA / HART)
🌱 Sustainability & Safety Benefits
Minimizes process downtime through early fault detection
Supports energy efficiency by ensuring optimal heating/cooling
Enhances process safety in hazardous environments
Reduces sensor replacement frequency, saving operational cost
Why Choose AAVAD?
At AAVAD Instrument Pvt. Ltd., our commitment to quality, innovation, and industrial safety sets us apart. With a deep understanding of the process industry’s challenges, we deliver custom-engineered RTD solutions backed by years of field experience and ISO-certified manufacturing.
✅ GeM Registered & ISO Certified Manufacturer
✅ Flameproof and weatherproof designs
✅ Fast delivery and service support across India
✅ Trusted by leading chemical manufacturers
✅ Serving India’s leading chemical zones: Ankleshwar, Dahej, Vapi, Panoli, and more
📞 Let’s Talk
Need a custom RTD solution for your plant?
📩 Email: hrg@aavadinstrument.com
📞 Call: +91-90996-22823
🌐 Visit: www.aavadinstrument.com











