ESA 528 UV-Vis Variable Wavelength Detector 70-6485

The Model 528 detectors provide extremely low operating noise levels to 0.6 x 10-5 AU. This performance can meet severe analytical requirements for higher sensitivity. The improved stability also ensures reliable analyses not dependent on the ambient conditions. This detector is based on a Hitachi model.

High response and low noise for ultra-high-speed analyses is ensured at a response of 0.1 sec. This provides sharpness of chromatographic peaks for allowing ultra-high-speed analyses with high sensitivity.

Automatic wavelength calibration for UV range The detector unit has a built-in mercury lamp for checking wavelength accuracy. Using its 254nm emission line, an ultraviolet wavelength frequently selected in liquid chromatography can be checked. A total of three wavelengths are checked at a time for enhancing reliability in wide-wavelength-range analyses.

Automatic lamp shutdown during inactive periods increases overall lamp life. Lamp usage is easily monitored through the front panel keypad and display. Simple programming is provided for wavelength scanning and range changes during an analytical run.

Specifications

Optics: Double beam and ratio mode

Calibration: Built-in Hg lamp

Range: 190 to 900 nm

Light source: D2 lamp and Tungsten (W) lamp

Wavelength Setting: By keyboard or external communication (e-Line)

Accuracy: +/- 1 nm

Bandwidth: 6 nm

Noise: < 0.6 x 10-5 AU

Drift: < 1.0 x 10-4 AU/h

Response: 0.05, 0.1, 0.5, 1, 2, 4, 8 s

Programs: 9 programmable steps

Max. Time: 600 min

Max. Steps: 100 (in 9 programs)

Available functions: Wavelength, time, autozero, and hold

External I/O Contact Terminals: Time program start, error input/output, busy output, auto zero input, marker input (Option), lamp off

Display Function: 40 characters x 2 lines on backlighted LCD

GLP functions: Auto calibration using Hg lamp

                        Lamp energy check

                        Log for usage

                        Replacement date

                        Serial number registration in unit memory

Flow Cell: Quartz cell (optical path length 10 mm, volume 13µl)

Flow Cell Max. Pressure: 1.0 MPa

Safety: Built-in leak sensor, error handling

Power Requirements: 100- 240 VAC 50/60 Hz (85 W)

Dimensions: 340 (W) x 400 (D) x 150 (H) mm

This ESA 528 UV-Vis Variable Wavelength Detector 70-6485 is in great condition. it has been tested here at SpectraLab Scientific.

A 90-day warranty is included.