IR-574

Cavity Blackbody Source

IR-574: Cavity Blackbody Source

Cavity Blackbody Source

The IR-574 is a precision cavity blackbody radiation source featuring a large 2.25" aperture for radiometric calibration, detector testing, and thermal imaging system validation. High-emissivity cavity with NIST-traceable calibration available.

Technical Data

Full Specifications

Temperature Range 50°C – 1200°C
Emittance (W/cm² / Total W) 26.68 W/cm² (684 W)
Wavelength Range 0.5 – 99 µm
Emissivity >0.99
Emitter Size 2.25" (57 mm) cavity diameter
Source Type Cavity
Temperature Resolution 0.1°C
Calibration Accuracy ±0.2°C to NIST Standard
Stability (Short / Long Term) ±0.1°C / ±0.2°C
Response Time <80 minutes (100–1200°C)
Temperature Sensors Embedded 0.01% Matched Type S
Control Type Active Multi-Band P.I.D.
Line Voltage 90–125 or 208–240 VAC 50–60 Hz
Power Requirements 1400 W max
Standard Apertures 2.0" (50.8 mm)
Cable Length 8 ft (2.4 m)
Dimensions – Source 12.5"H × 20"D × 10"W (317 × 508 × 254 mm)
Dimensions – Controller 5.1"H × 13.4"D × 12"W (130 × 340 × 304 mm)
Weight – Source 45 lbs
Weight – Controller 9 lbs (rack-mounted: 10 lbs)
Shipping Weight 2 boxes; 63 lbs
Remote Interface RS-232 or IEEE-488/GPIB
Warranty 1 year
Request a Quote Download Datasheet Back to Blackbody Radiation Sources