Spectroquant
®
Pharo 300 Technical data
199
ba75703e07 04/2014
7 Technical data
7.1 Measurement characteristics
Measuring principle Single-beam spectrophotometer
Light source Lamp type Xenon flashlamp
Average lifetime 5 x 10
8
flashes, corresponding to at least
13000 h in permanent operation
Monochromator Type Grating monochromator with step motor
Wavelength range 190 - 1100 nm
Max. scan speed approx. 3300 nm/min
Wavelengths calibration Automatic
Accuracy ± 1 nm
Reproducibility ± 0.5 nm
Resolution 1 nm
Spectral band width 4 nm
Photometric
measurement
Light sensor Photo diode
Measuring range A = -3.300 to A = +3.300
Linearity < 1 % for A ≤ 2.000
Accuracy – 0.003 A for A < 0.600
– 0.5 % of the reading for 0.600 ≤A≤ 2.000
Reproducibility ±
0.002 at A = 1.000
Resolution
ΔA = 0.001
Scattered light < 0.1 % transmission at 340 and 408 nm