CALsys 650 Portable Calibrator

Temperature Range: 50°C to 650°C

Stability: ±0.01°C at 50°C, ±0.02°C at 350°C, ±0.03°C at 650°C

Uniformity: ±0.04°C at 50°C, ±0.07°C at 350°C, ±0.09°C at 650°C

In stock
CALsys 650

Part Code: CALsys 650



CALsys 650 offers medium temperature range from 50 to 650°C. It is a highly stable standard furnace for
calibrating thermocouples / RTD. The comparison volume is a metallic block of special material, which has diameter of 32mm and 150mm long The temperature of the calibrator is set and controlled by a self tuned PID controller with
automatic super fine adjustment.


Temperature Range
50⁰C to 650⁰C
±0.01°C at 50°C
±0.02°C at 350°C
±0.03°C at 650°C
Radial uniformity

±0.04°C at 50°C

±0.07°C at 350°C

±0.09°C at 650°C

Loading effect (with a 6.35 mm reference probe and three 6.35 mm probes) 0.04 °C
Insert OD dimensions 32mm
Immersion Depth
Cooling time 80 Min ( 650 °C to 100 °C)
Heating time
20 min
Resolution 0.1°C
Display LCD,°C or °F user-selectable
Power requirements 230 VAC,1KW(SO Hz)
Calibration Accredited calibration certificate provided
Environmental operating conditions 0°C to 40°C, 0% to 90% RH (non-condensing)
Specifications valid in environmental conditions 13°C … 33°C
PC Interface Ethernet port (CALsys 650 PLUS) , RS - 232 (CALsys 650 )
Size (H x W x D) 325(H) x 185(W) x 265(D) mm
Weight 10 Kg
Input(CALsys 650 Autocal) Four Channels (One master and three test sensors), high-quality LEMO connector suitable for both T/C and Rtd.
 Software The calibrator will be provided with software for data recording (Manual Mode) and report generation in Auto Mode.
Data Logging(CALsys 650 Autocal) Data Logging facility with logged data export to the computer through  LAN port (Optional USB)

Key Features

  • Large Immersion Depths
  • Wide Operating Range (50°C to 650°C)
  • High Stability
  • PC interfacing
  • Simple to use and cost effective


  • Reference Standard Thermocouple ('K' Type T/C)
  • NABL accredited calibration certificate - 3 point (Optional)
  • Software - Cal Soft including for setting bath temperature and monitoring the PV.
  • Graphical representations of PV/TIME with 2 hours data logging.
  • Operational Manual
  • Carry Case


  • CE Certified


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