ECOM spol. s.r.o. - TOPAZ EX Detector with optical connectors

TOPAZ EX Detector with optical connectors

is a UV detector, which allows measuring absorbance of two wavelengths simultaneously in one cell connected using fibre optic cable with SMA connectors.

This unit is used in liquid chromatography to verify analyzed samples by means of a second wavelength or in situations when some peaks absorb on different wavelengths.
Noise level at 254 nm is ± 1 x 10-4 AU with an empty cell.

The unit’s DAD (diode array detector) design offers many advantages:
A wavelength setting may be changed in steps of 1nm
The unit is easy for operating, reference and sample signal are available for detector diagnostics
Output signal is it available in digital and analogue form on the output connector
Work hours of lamp are counted using build in counter.

Wavelength range    200 - 320 nm
Spectral half-width    8 nm
Accuracy of adjustment    ± 1 nm
Reproducibility    ± 0.5 nm
Light source    Deuterium discharge lamp
Noise level at empty cell (240 nm, TC 1 s)    ± 1 x 10-4 AU
Drift at empty cell (240 nm after 1 h)    5 x 10-4 AU/hr
Output and input optical connector    SMA
Time constant    1 s
Output for integrator    1 V/AU
Interface    RS 232
Power supply    230 V ± 10%, 50 Hz , 115/100 V± 10%, 50-60 Hz
Power input    75 VA
Dimensions (W x H x D)    220 x 178 x 435 mm
Weight    12 kg