焦距
0.1- 5 nm Continually Adjustable
Optical system
Double beam
Wavelength range
190-900 nm
Wavelength accuracy
±0.3 nm
Photometric accuracy
0.002 A (0-0.5 A), 0.004 A (0.5-1 A), 0.3 %T (0-100 %T)
Photometric noise
0.0004 A (500 nm, 30 min warm-up)
Stray light
≤0.01 %T (220 nm NaI, 340 nm NaNO2)
Cell holder
Fixed position sample and reference
Detector
Photo multiplier tube
Light source
Tungsten Halogen and Deuterium arc lamps
Power supply
Switch mode 120-230 VAC 50-60 Hz