Firma:              Merck-Hitachi

Modell:                         D-2000

Kommentar:     Dokumente engl.

Power Supply and External Dimensions

1) Power supply and consumption:

          a) 100 V type                           100 ~ 115 V Fixed

          b) 200 V type                           200 ~ 240 V Fixed

              60 VA, 50/60 Hz

2) Operating temperature                 10 ~ 35°C

3) Humidity                                        R.H. 40 ~ 85 %

4) External dimensions                     Width : 380 mm

                                                         Depth : 420 mm

                                                         Height: 121 mm

5) Weight                                          About 7 kg

Input

1) Input voltage                                 -10 mV ~ +1 V

2) Input impedance                           10 MΩ

3) Number of simultaneous

    processing channels                    1 (2 at option)

4) Integration range                           1 ~ 10 ⁹ µV•sec

5) Pulse height range                       1 ~ 10 ⁶ µV

6) Linearity                                        10 ⁶

7) Integration sensitivity                    0.25/µV•sec (internally)

Storage

1) Storage time

          a) About 7 hours at sampling period 800 msec.

          b) About 3.5 hours at sampling period 400 msec.

2) Number of storable

chromatograms                                About 15 30-minute chroma­tograms under condition a)        above

3) Number of peaks for

concentration calculation                  About 6000

Waveform Processing

1) Method of waveform processing           Automatic or parameter setting

2) Peak processing on tailing                     Automatic or parameter setting

Identification of Peak

Absolute or Relative Retention Time Method

1) Identification width                                  Percentage or absolute time method

2) Number of identifiable peaks                 Up to 250

Calculation

1) Quantitative calculation

1. Simple percentage method

2. Percent normalization method

3. Internal standard method

4. Absolute calibration curve method (external standard method)

5. Exponential calculation

2) Other calculations

1. Grouping   ┐

2. Multi-data ├ Up to 30 peaks

3. Multi-file    ┘

4. Averaging

5. Baseline correction

6. Slice data