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Nagman Instruments — Your Trusted Partner for Precision Calibration & Test and Measuring Instruments

 In the world of industrial automation, aerospace, power generation, pharmaceuticals, and manufacturing, precision and accuracy are critical. Ensuring that instruments perform with exactness is where

Nagman Instruments plays a vital role — as a leading provider of calibration and test instruments across India and worldwide.



From temperature calibrators to pressure calibrators, calibration hand pumps, dead weight testers, and advanced calibration software, Nagman Instruments delivers a comprehensive range of tools for instrument calibration, ensuring reliable and traceable results across applications.

Why Calibration Is Essential in Modern Industries

Instrument calibration is the process of comparing the readings of a measurement instrument against a known standard. Without proper calibration, even the most sophisticated instruments can give inaccurate data, leading to process inefficiencies, regulatory non-compliance, or safety issues.

Industries that rely heavily on calibration:

  • Power plants and utilities
  • Aerospace and defense
  • Oil & gas and petrochemicals
  • Automotive manufacturing
  • Pharmaceuticals and healthcare
  • Research and development labs

Nagman Instruments provides test and measuring instruments tailored for each of these industries, ensuring compliance, accuracy, and reliability.

Temperature Calibrators for Critical Processes

Temperature calibrators are essential tools for verifying the performance of thermocouples, RTDs, and temperature sensors.

Nagman’s Range Includes:

  • Dry Block Temperature Calibrator — Portable and field-ready devices that offer fast heating and cooling cycles. Ideal for on-site calibration.
  • Black Body Calibrator — Perfect for calibrating pyrometers and infrared thermometers with stable radiation and emissivity control.
  • Multifunction Calibrator — Combines temperature, pressure, and electrical simulation in a single unit.

Whether you’re working in a lab or on the field, Nagman’s temperature calibrators ensure fast and accurate calibration across a wide range of temperatures.

Precision Pressure Calibration Solutions

Nagman offers a complete suite of pressure calibrators for industrial use, supporting both low- and high-pressure ranges.

Pressure Calibration Tools:

  • Calibration Hand Pumps — Easy-to-use devices for generating pressure or vacuum in portable applications.
  • Dead Weight Pressure Gauge — The most accurate primary standard used for pressure gauge calibration.
  • Dead Weight Testers — Calibrate instruments with national traceability using highly accurate pressure standards.
  • Precision Pressure Controller — Automate your pressure testing with digitally controlled precision pressure sources.
  • Digital Pressure Indicator — High-accuracy indicators with real-time display for lab and field measurement.

Nagman’s pressure calibration line helps industries maintain accuracy in fluid control, process monitoring, and safety-critical systems.

Process Calibrators and Signal Calibrators for Automation

For industrial automation and process control systems, process calibrators and signal calibrators are essential for verifying sensors, transmitters, and controllers.

Nagman offers:

  • Multifunction Process Calibrators — Ideal for calibrating voltage, current, resistance, frequency, and temperature all-in-one.
  • Signal Calibrators — Simulate and measure 4–20mA loops, voltage signals, and RTD/thermocouple outputs with precision.

These devices are especially valuable in pharmaceutical and chemical industries where instrumentation is critical for quality control.

Pyrometers and Non-contact Temperature Measurement

When contactless measurement is required — especially for moving parts or high-temperature surfaces — pyrometers are the go-to solution.

Nagman’s black body calibrators work seamlessly with various pyrometers, ensuring their accuracy is maintained throughout industrial operations. These are used in applications such as metallurgy, glass manufacturing, and engine testing.

Software-Driven Calibration with Automation

Manual calibration can be time-consuming and error-prone. That’s why Nagman Instruments integrates calibration software into its solutions to streamline procedures.

Features of Nagman’s Calibration Software:

  • Automatic data logging and test documentation
  • Calibration certificate generation
  • Integration with test benches and digital calibrators
  • Cloud storage and regulatory compliance (ISO, NABL)

This software not only improves accuracy but also reduces calibration cycle time, making the process more efficient and error-free.

Test Benches for Complete Calibration Labs

A test bench is an integrated calibration system for labs or service centers. Nagman offers customizable benches that include:

  • Pressure and temperature modules
  • Power supply units
  • Flow meters
  • Digital readouts
  • Embedded calibration software

Nagman’s test benches are designed for power plants, refineries, R&D labs, and calibration service providers who need complete, multi-instrument calibration setups.

Level Calibration System for Tank and Process Monitoring

Accurate measurement of fluid levels is crucial in industries like oil & gas, food processing, and chemicals. Nagman offers level calibration systems that simulate and verify level sensors, float switches, and ultrasonic level transmitters.

These systems ensure your level indicators are always reliable — avoiding spills, wastage, or system shutdowns.

Why Choose Nagman Instruments?

Nagman Instruments is trusted by industries across India and globally for its:

  • Over 40 years of calibration expertise
  • ISO 9001 certified manufacturing
  • NABL-accredited laboratory partnerships
  • Customizable solutions tailored to application
  • Excellent after-sales support and service

From small field tools like calibration hand pumps to sophisticated dead weight testers and dry block temperature calibrators, Nagman covers the entire spectrum of test and measuring instruments needed for modern process industries.

Common Applications Across Industries

Nagman Instruments’ solutions are used in:

  • Power Plants: Turbine temperature and pressure calibration
  • Pharmaceuticals: Cleanroom sensor verification
  • Automotive: Engine temperature and fluid pressure testing
  • Chemical Processing: Flow, level, and pressure instrumentation
  • Aerospace & Defense: Mission-critical systems calibration
  • R&D Labs: High-precision, repeatable instrumentation tests

Global Reach with Local Expertise

While based in India, Nagman Instruments has a growing international presence through channel partners and export operations. Customers across Asia, the Middle East, and Africa rely on Nagman for dependable instrument calibration tools.

Final Thoughts

If you’re looking for a one-stop provider of calibration and test solutions, Nagman Instruments is the name you can trust. With a complete portfolio that includes temperature calibrators, dead weight testers, digital pressure indicators, signal calibrators, and advanced calibration software, Nagman ensures precision, reliability, and traceability in every calibration process.

For industries that cannot afford measurement errors, Nagman Instruments offers not just tools, but peace of mind.

Read More:https://nagman.com/calibration-test-benches/

Location: 170, Bengaluru - Chennai Hwy, Ekavalli Nagar, Maran Nagar, Chennai, Tamil Nadu 600056, India

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