Dual Dry Block Calibrator Calsys -25/650

  • Temperature range at 25°C: -25 °C to 650 °C
  • Stability: ±0.02°C (Low-Temperature Block)  

                      ±0.03°C Upto 100°C (High-Temperature Block)
                      ±0.05°C above 100°C    

  • Resolution: 0.01°C       
  • Weight:  20Kg
In stock
Calsys -25/650

Part Code: Calsys -25/650



Calsys -25/650 offers easy to use portable dual block temperature calibrator with temperature range from –25 to 650°C. It is a highly stable standard furnace for calibrating RTD. This calibrator can be used on site for high temperature calibration and also find application in aerospace, oil gas petrochemical, pharmaceutical industry, electric power, automotive and material process industry.


Parameter Low-Temperature Block High-Temperature Block
Temperature range at 25°C -25 °C to 140 °C
Ambient to 650 °C
Stability ±0.02°C
±0.03°C Upto 100°C
±0.05°C above 100°C
Immersion depth 160 mm
Insert OD dimensions 3 holes having Diameter of 6.5 4 holes having Diameter of
Method of Control Self tunned PID controller
Heating time 30 Min
30 Min
Cooling time
15 Min
90 Min
Resolution 0.01°C
Display LCD,°C or °F user-selectable
Size (H x W x D)
383(H) x 461(W) x 316(D) mm
Power requirements 230 VAC, 500 W(50 Hz)
Computer interface RS - 232 / USB
Calibration Accredited calibration certificate provided
Environmental operating conditions 5 °C to 25 °C, 0 % to 90 % RH (non-condensing)
Specifications valid in environmental conditions 5°C … 25°C

Key Features

  • wide temperature range from -25 °C to 650 °C
  • Lightweight, portable
  • Speed
  • Accuracy and performance
  • Computer Interface
  • Accredited calibration


  • Insert
  • Reference Standard RTD Part no. TPRT-A-300.
  • Reference Standard Thermocouple (’N’ Type T/C)
  • Part no. TTCN- 300.
  • Calsoft Software
  • Operational Manual
  • NABL accredited calibration certificate (Optional)


  • CE Certified


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