Firma:              Unicam

Modell:            8700

Kommentar:   Dokumente engl.

SPECIFICATIONS

Wavelength range:                           190 to 900 nm

Bandwidth:                                        2.0 nm (8730/8735)

                                                         2.0, 1.0, 0.5, 0.2 nm (8750/8755)

Wavelength accuracy:                      ± 0.3 nm

Wavelength reproducibility:              ± 0.1 nm

Photometric accuracy:                     ± 0.002A at 1A

                                                         ± 0.005A at 2A

                                                         ± 0.010A at 3A

                                                         Measured at 546 nmm, 2.0 nm bandwidth, relative to           filters traceable to NPL standards

Photometric reproducibility:              ± 0.001A at 1A

                                                         ± 0.002A at 2A

                                                         ±0.005A at 3A

Photometric noise:                           < 0.0012A at 1A Pk-Pk            (<0.0002 rms)

                                                         < 0.0024A at 2A Pk-Pk            (<0.0004 rms)

                                                         < 0.018A at 3A Pk-Pk              (<0.0030 rms)

                                                         Measured at 500 nm, 2.0 nm bandwidth, medium     smoothing

Baseline stability:                              < 0.001 A/Hr after warm-up

                                                         Measured at 340 nm, 2.0 nm bandwidth

Baseline flatness:                             ± 0.001A

                                                         200-800 nm, measured at 2.0 nm bandwidth,

                                                         1000 nm/min scan speed, high smoothing

Stray light:                                         < 0.01% at 220 nm (Nal/D ₂ )

                                                         < 0.01% at 340 nm (NaNO ₂ /W)

Display ranges:                                 ABS -0.300 to 3.000A

                                                         %T 0.1 to 200.0%T

Digital smoothing:                             Variable smooth frequency response filters,

                                                         None, Low, Medium, High and Very High

Scanspeeds:                                    2000, 1000, 500, 250, 50 and 25 nm/min

Baseline range:                                 -3.00A to 3.000A

Baseline data interval:                      0.1 to 0.8 nm, depending on bandwidth (8750/8755 only)

Cycle times:                                      00.00 to 99.59 min:s and continuous

Delay times:                                      00.00 to 99.59 min:s

Integration times:                              00.00 to 99.59 min:s

No. of cycles:                                    1 to 99 and Infinite

Sample identification:                       1 to 999 method plus Alpha Numeric Label

Library storage:                                 24K Battery Backed RAM for Analytical Data,

                                                         Methods and Calibration Curves

Labelling facility:                                Alpha Numeric virtual QWERTY

Scan modes:                                    Abs, %T, Log A and lst-4th Derivative

Scan screen display:                        Sequential, Overlay, 3D

Scan data:                                        Tables of Peaks, Troughs and Crossing Points

Scan data manipulation:                   Rescale, Smooth, Zoom, Mode, Track, Compare and          Maths

Fixed modes:                                    Abs, %T, Concentration Single and Multi Standard

Fixed screen display:                        Continuous, Histograms and Calibration Curve

Fixed data:                                        Tables of Sample Number and Results

Rate modes:                                     Abs, Log A and 1 st-2nd Derivative

Rate screen display:                         Sequential and Overlay

Rate data:                                         Tables of Initial and Final Absorbance, ΔA and Rate

Rate data manipulation:                    Rescale, Smooth, Zoom, Mode, Track, Compare and          Maths

Multi-wavelength operational

modes:                                              Dual, peak and selected wavelengths

Multi-wavelength measurement

modes:                                              Absorbance, %T and Concentration

Dual wavelength operation

modes:                                              Addition, Subtraction and Ratio

Dual wavelength data:                      Tables of result at λ 1, λ 2 and λ 1+ λ 2, λ 1- λ 2, λ 1/ λ 2           depending on operation mode.

Peak wavelength                              Peak height (3 wavelengths), peak area and total operation modes:             area (2 wavelengths)

Peak wavelengths screen display:   Peak area and total area in scan graphics sequential            or overlay with post-run baseline selection for peak area.

Peak wavelength data:                     Start, stop and peak wavelengths and their absorbances,    peak height and area; concentration output in all peak λ                                                          modes.

Selected wavelength                        Selection of up to 8 wavelengths, λ 1 to λ 8. measurement:

Selected wavelength                        Tables of results at wavelengths selected standardisation

data:                                                  in concentration at additional wavelengths.

Dimensions:                                     875 mm (wide) x 530 mm (deep) x 575 mm (high)

Weight:                                             50 kg

Temperature range:                          5 to 40°C

Humidity range:                                 20 to 80%

Voltage:                                             100/120/220/240 Volts (± 10%)

Frequency:                                        50/60 Hz

Power:                                              500 VA Maximum