NABL Accredited RTD PT-100 Calibration Services in Kolkata: The Gold Standard in Precision Thermal Validation

Comprehensive Service Offerings

To maintain technical excellence in the Middle East, we employ methodologies that account for the unique stress factors of the region:Thermal Comparison Calibration

• Thermal Comparison Calibration: This is our most requested service for the pharmaceutical plants in Kalyani and Sankrail. We immerse your RTD PT-100 sensors alongside our high-accuracy Master SPRT (Standard Platinum Resistance Thermometer) into a stabilized medium. This method accounts for the sensor's physical response to actual heat, ensuring that the "As-Found" data accurately reflects its performance in your production line.

• Fixed Point Calibration (Triple Point of Water): For elite research institutions and primary standards laboratories near Jadavpur University or the CGCRI, we offer calibration at the Triple Point of Water (0.01°C). This is the most stable and reproducible temperature point on the ITS-90 scale, vital for laboratories acting as internal reference points for large-scale industrial groups.

• Electrical Simulation:Many automation controllers in the Taratala Industrial Estate rely on the interpretation of resistance signals. We use high-precision process calibrators to simulate RTD PT-100 signals (Ohms) to verify that your indicators, transmitters, and PLC inputs are interpreting the data correctly, ensuring the entire control loop is verified.

Types of NABL Temperature Calibration Services

Our service portfolio is designed to cover the entire lifecycle of your temperature sensors. We offer :

At Vega, we don't just "check" sensors; we characterize their performance against the highest international standards. Our Kolkata facility is equipped with the pinnacle of thermal metrology equipment. We employ ultra-stable stirred liquid baths for high-precision comparison and advanced dry-block calibrators for rapid, high-temperature industrial applications found in the Howrah and Hooghly regions. Our specialized focus on RTD PT-100 (Resistance Temperature Detector) sensors covers the entire spectrum of configurations, including 2-wire, 3-wire, and the highly accurate 4-wire systems. In Kolkata’s diverse industrial environment—stretching from the Salt Lake Sector V tech parks to the Haldia petrochemical zone—a temperature deviation of even 0.2°C can lead to batch failures in chemical processing or data inaccuracies in research labs.

Get in touch

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Phone

+91 91676 71931

Email

support@vegacalibrations.com

Industry Segments We Serve

Pharmaceutical, Biotech & Life Sciences

In the pharmaceutical clusters of Sankrail (Howrah) and Kalyani (Nadia), RTD PT-100 sensors are the backbone of safety. These industries operate under strict USFDA, WHO-GMP, and 21 CFR Part 11 guidelines. We provide the "As-found" and "As-left" data critical for validating:

Stability Chambers and Incubators, Autoclaves and Sterilization Tunnel, Deep Freezers and Cold Storage Units, Lyophilizers (Freeze Dryers)

Power, Steel & Heavy Engineering

With the industrial heartlands of Asansol and Durgapur, West Bengal is a leader in heavy engineering. Thermal accuracy is critical for monitoring turbine bearing temperatures and boiler exhaust gases. We calibrate the rugged RTD PT-100 sensors used in these high-vibration environments, ensuring plant longevity and preventing catastrophic mechanical breakdowns.

Chemical & Petrochemicals

In the Haldia Petrochemical zone, temperature control is a matter of both safety and product yield. Our calibration ensures that exothermic reactions in reactors are monitored with surgical precision. We help these industries maintain compliance with ISO 9001 and safety environmental audits by providing reliable, traceable thermal data.

Food, Beverage & FMCG

From the dairy processing plants near Dankuni to the food manufacturing units in Taratala, consumer safety depends on temperature. Pasteurization and flash-freezing processes rely on RTD PT-100 accuracy to eliminate pathogens. Our NABL-certified reports provide the traceability needed for FSSAI and ISO 22000 audits.

Industrial Use Cases

Cold Chain & Warehouse Monitoring

Logistics and cold-chain operators in Kolkata and Barasat depend heavily on RTD PT-100 sensors for monitoring ultra-low temperature deep freezers operating down to –80°C, especially for vaccines, biologics, and frozen export goods. In these applications, even a small temperature deviation can compromise product potency, reduce shelf life, or lead to regulatory non-compliance. Vega Calibration and Validation Services LLP provides NABL-accredited calibration of RTD PT-100 sensors used in cold rooms, blast freezers, and reefer containers. Our calibration verifies sensor accuracy across the entire low-temperature range, ensuring that the displayed temperature truly represents the product temperature. This validation is essential for meeting CDSCO, WHO-GDP, and international cold-chain audit requirements, while safeguarding public health and protecting high-value consignments from costly spoilage or rejection.

Heat Treatment Furnaces

In the automotive, foundry, and metal component manufacturing units of Howrah, RTD PT-100 sensors are critical for controlling heat treatment furnaces used in annealing, tempering, and stress-relieving processes. The mechanical properties of metals—such as hardness, tensile strength, and fatigue resistance—are directly determined by precise temperature control during these cycles. If an RTD drifts or reads inaccurately, the furnace may operate outside the specified thermal window, resulting in weak, brittle, or rejected components. Vega’s NABL-accredited calibration services ensure that furnace control and monitoring RTDs deliver accurate, repeatable readings at high temperatures. Our calibration certificates provide documented evidence of compliance required for IATF 16949, CQI-9, and customer audits, helping manufacturers maintain consistent quality and reduce scrap rates.

HVAC & Cleanroom Control

For hospitals, laboratories, and high-tech manufacturing facilities in Rajarhat and New Town, precise HVAC and cleanroom temperature control is essential for patient safety, product quality, and regulatory compliance. RTD PT-100 sensors embedded within Building Management Systems (BMS) continuously regulate airflow, room temperature, and environmental stability. Even minor sensor inaccuracies can lead to temperature fluctuations that compromise cleanroom classification, affect sensitive equipment, or violate healthcare and GMP standards. Vega calibrates RTD PT-100 sensors used in air-handling units, duct monitoring, and room sensors to ensure the BMS reflects true ambient conditions. Our NABL-accredited calibration supports compliance with NABH, ISO 14644, and GMP guidelines, ensuring consistent air quality, energy efficiency, and uninterrupted critical operations.

Metal & Mining

In the aluminum smelters and steel foundries, high-temperature RTDs are essential for precise furnace and heat-treatment control. These sensors monitor critical process temperatures that directly influence grain structure, mechanical strength, and overall alloy quality. Our calibration services ensure RTDs maintain accuracy and stability under extreme thermal conditions, enabling consistent melting, casting, and annealing operations. Accurate temperature control prevents defects such as cracking, warping, or improper alloy formation, thereby safeguarding structural integrity. Properly calibrated RTDs also improve energy efficiency, reduce rework and scrap, and help metal producers meet demanding industrial and safety standards.

Compliance & Audit Requirements

Whether it is an NABL assessment or a customer-led quality audit, our documentation is your strongest asset.

• Metrological Traceability: A clear, documented link to National Standards (NPL).

• Uncertainty Budget: A technical breakdown of measurement risks, a core requirement of ISO/IEC 17025:2017.

• Statement of Conformity: Clear indication if the sensor meets Class A, Class B, or custom tolerance limits.

• Digital Tracking: Automated certificate tracking to ensure you never miss a recalibration date.

Why Vega is Your Trusted Calibration Partner

Vega Calibration is more than a service provider; we are your local partner with a national perspective.

• Fast Turnaround Time (TAT): We offer express calibration services for clients in the Kolkata metro area to minimize production lag.

• Expert Technical Knowledge: We don't just provide numbers; we help you understand the drift in your RTD PT-100 sensors and suggest corrective actions.

• Pan-India Support: While we are deeply rooted in Kolkata, our standards and certificates are recognized across India, supporting your corporate branches in other states.

Frequently Asked Questions (FAQs)

Q: How often should I calibrate my RTD PT-100 sensor in a food plant in Dankuni?

A:For food safety (FSSAI/ISO 22000), an annual (12-month) cycle is standard. However, for critical pasteurization points, a 6-month cycle is recommended to ensure zero risk of bacterial growth.

Q: What is the difference between Class A and Class B RTDs during calibration?

A: Class A sensors have a tighter tolerance (±0.15°C at 0°C), while Class B is ±0.30°C. Our calibration determines if your sensor still meets its original class accuracy or if it has drifted into a lower category.

Q: Can Vega provide on-site calibration in the Haldia industrial zone?

A: Yes, we provide full on-site NABL-accredited calibration services across Haldia, Kharagpur, Durgapur, and all industrial belts in West Bengal.

Q: Is Vega's NABL certification recognized ?

A: Yes. NABL our accredited certificates are internationally recognized.

"Vega’s technical knowledge of ISO 17025 helped us clear our USFDA audit in Sankrail with zero observations on thermal instruments. Their service is exceptionally prompt." — Senior Quality Manager, Leading Pharma Plant.

"We switched to Vega for our bearing sensor calibrations in Durgapur. Their detailed NABL reports and uncertainty calculations are the best we've seen in the region." — Maintenance Head, Steel Manufacturing Unit.

"Finding a reliable partner for -80°C calibration in Kolkata was a challenge until we found Vega. Their liquid bath stability and technical sound knowledge are impressive." — Lab Director, Biotech Research Center (Salt Lake).

Customer Testimonials