All toolsCalculatorsMechanicalRadiator / Emitter Correction
Radiator / Emitter Correction
Correct a radiator or emitter's rated output for the actual system ΔT using the EN 442 power law.
The Ensign ToolboxRadiator / Emitter CorrectionCorrect a radiator or emitter's rated output for the actual system ΔT using the EN 442 power law.
Rated output
W
Catalogue output at the nominal ΔT (EN 442 ΔT 50 K figure)
K
ΔT the rating is quoted at — EN 442 reference 50 K
EN 442 characteristic exponent — panel radiator ≈ 1.3 (1.2–1.35)
System temperatures
°C
°C
°C
ΔT = (flow + return) / 2 − room
Enter the rated output and system temperatures to correct the emitter