Compact & Lightweight Blackbody


The CI Systems SR-2 is a highly reliable and durable cavity blackbody. The SR-2 uses a compact and lightweight controller. The SR-2 is operated using the controller’s front panel. The calibration of the SR-2 is performed using the CK-20 calibration kit.

  • High emissivity
  • High temparature accuray
  • NIST traceable
  • Manual Aperture wheel with 8 standard apertures
  • Compact and lightweight
  • Long term temperature stability


  • Manual filter wheel (MF)
  • Customised aperture wheel


Model No.



Aperture 1 inch
Temperature range 100-1000°C 100-1200°C
Temperature accuracy <1000°C; ±2.5 <1000°C; ±3
Temperature stability Short term stability (

Long term stability (>1hour): ±0.4°C

Emissivity 0.99±0.01
Power consumption 1,500W max
Aperture wheel 0.8, 1.6, 3.2, 6.4, 9.5, 12.7, 15.9, 22.2 mm dia. apertures
Set point resolution: 1°C (0.1°c optional)
Computer control: RS-232
Power supply 230/115 VAC, 50/60 Hz
Weight Head: 7Kg, Controller: 3Kg
Dimensions Head: 195 x 329 x 214mm, Controller: 92 x 92 x 280mm
Operating ambient Temperature 0° … 50°