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Dry block temperature Calibrator (NTC-30/NTC-30(i))

Dry block temperature Calibrator (NTC-30/NTC-30(i))

Overview:

The NTC-30 Series Dry Block Temperature Calibrator is a high-performance instrument designed for fast, accurate, and stable temperature calibration in laboratory. Featuring rapid heating and cooling capabilities, the unit operates over a temperature range of –30°C to 140°C (at ambient 25°C) and is controlled through an advanced PID controller to ensure precise temperature regulation and excellent stability of ±0.03°C. With an accuracy of ±0.3°C and a resolution of 0.01°C up to 99.99°C (0.1°C above 99.99°C), the calibrator provides reliable and repeatable performance for demanding calibration applications.

The system achieves heating from ambient to 140°C in approximately 15 minutes and cooling from ambient to –30°C in about 20 minutes, with a stabilization time of around 10 minutes, enabling efficient workflow and reduced calibration downtime.

The calibrator features a 19.5 mm immersion diameter and 110 mm immersion depth, allowing effective sensor insertion and uniform temperature distribution. A bright green LED display provides clear visibility, while user-selectable °C/°F units offer operational flexibility. Designed with portability and durability in mind, the unit operates on a 230 V AC ±2.5%, 50 Hz power supply and has compact dimensions of 165 × 225 × 365 mm with a weight of approximately 11 kg, making it suitable for both workshop and on-site applications. The NTC-30(i) model additionally includes RTD and thermocouple measurement facilities with a measurement accuracy of ±0.05% of reading ± 2 LSD, enabling simultaneous sensor verification and calibration. Overall, the NTC-30 Series provides a dependable solution for precise temperature calibration, maintenance, and testing across industrial, laboratory, and process control environments.

Dry block temperature Calibrator (NTC-30/NTC-30(i)) Applications:

  • Calibration and verification of RTD and thermocouple temperature sensors
  • Testing and calibration of temperature transmitters, indicators, and controllers
  • Preventive maintenance and troubleshooting of temperature measurement systems
  • Commissioning and loop checking of temperature control instruments
  • Laboratory calibration and quality assurance applications
  • Field calibration in industrial plants and process industries
  • Power plant temperature instrumentation testing and maintenance
  • Calibration and verification of temperature sensors operating in sub-zero and negative temperature ranges down to –30°C fast & reliable

 

Model NTC-30 & NTC-30i
Range -30°C to 140°C
Resolution 0.01°C up to 99.99°C & 0.1°C above 99.99°C
Accuracy ±0.3°C
Stability ±0.03°C
Stabilization Time 10 minutes
Units °C/°F Switchable
Measurements (Only for ‘I’ Model) 8 Types of TC & RTD Pt-100(385), mV, mA
Display LED Green
Heating Time (ambient to 123°c) 15 minutes (approx.)
Cooling Time (ambient to negative max.) 20 minutes (approx.)
Switch Test Facility Provided (only for ‘I’ Model)
Transmitter Power Supply Provided (only for ‘I’ Model)
Insertion Tube Diameter 19.5mm
Insertion Tube Length 120mm
Insertion Tube Depth 110mm
Power Supply 230V AC ±2.5/50 Hz
Weight 11 Kgs.

 

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