manufacturer :       Merck-Hitachi

model :                   LaChrom

annotation :           Dokumente engl .

 

 

 

 

Merck Solvent Degasser L-7612

 

Conforms to EC Low Voltacre Standard 73123/EC

 

Technical Data

Voltage:                                              220 Volt/50 Hz

 

Tolerable voltalte range:                    +/- 10%

 

Power consumption:                         50 watts

 

Material in contact with liquid:            Teflon, PEEK and tefzel (fitting/ferrule)

 

Degassing channels:                          4

 

Optimal fiow :                                      0.1- 3.0 ml/min. per channel

 

Dead volume per channel:                8 ml (+/- 10%)

 

Membrane surface area:                   approx. 250 cm2

 

Liquid connections:                            1/4-28"

 

Weight:                                              3.8 kg

 

Dimensions:                                      160 (h) x 80 (w) x 320 (d) rnm

 

 

 

 

 

Model L-7400 UV Detector

 

Specifications

Optical system                                   Double beam

 

Light source                                        D ₂ lamp

 

Measuring wavelength range             190 to 600 nm, 195 nm or higher recommended for measurement, 200 nm or higher recommended for

spectral acquisition

Filter (UV32) inserted in optical path for measurement at 361 nm or higher

 

Wavelength setting method                Setting by keyboard or by communication (D-line)

 

Wavelength accuracy                                    ±1 nm

 

Bandpass                                           10 nm

 

Digital output range                             -4 x 10 ¹ to 1.1 X 10 ⁶ counts

1 AU, 2 AU, 4 AU output as 10 ⁶ counts according to setting (Max.: Approx. 2.5 AU)

 

Time constant                                                Selectable in 5 steps of

approx. 0.1, 0.5, 2.0, 4.0, 8.0 sec

 

Noise                                                   0.8 X 10 ^-5 AU or less

(Conditions: wavelength

250 nm, air in cell, response approx. 2 sec)

 

Drift                                                     2 X 10 ^-4 AU/hr or less

(Conditions: wavelength

250 nm, air in cell, constant temperature stable operating state)

 

Auto zero                                            Zero adjusting range -0.3 to 2 AU

 

Offset                                                  0 to 2 AU, settable in 0.001 steps

 

Spectrum memory

a ) Memorized contents                       Absorbance spectra

b) No. of spectra memorized            Absorbance spectra ...   . 7

Background spectrum... 1

Time program

No. of programs                      9

Settable time                           Up to 600 minutes in 0.1 min steps

No. of steps memorized        Total of 100 steps for 9 files

Program contents                   Measuring wavelengths, baseline processing

Specified time program is retained by battery backup when power is turned off.

 

Instrument condition setting               Recorder range, offset value.

Specified conditions are retained by battery backup when power is turned off.

 

Communication function                    D-line

 

Flow cell                                             Quartz cell (optical path length 10 mm)

 

Operating temperature range            4 to 35°C (non-condensing)

 

Operating humidity range                   45 to 85%

 

Power supply                                      100 to 240 V,

50/60 Hz

 

Power consumption                           Approx. 150 VA

 

Dimensions                                        260(W) X 500(D) x 150(H) mm

 

Weight                                                            Approx. 14 kg

 

Others                                                 The following functions are available for analog input/ output.

a) Processor output                1 V full scale; 1 AU, 2 AU, 4 AU output as 1 V according to setting

(Max.: Approx. 2.5 AU)

b) Recorder output                  10 mV full scale; full scale range 0.001 to 2.500 settable in 0.001 steps.

c) Lamp off input                     Lamp extinction

d) Marker input                        Marker of about 0.6 mV (6 divisions on recorder

chart ) is output onto recorder signal

e) Auto zero input                    Zero adjusting range -0.3 to 2 AU

 

 

 

 

 

Model L-7200 Autosampler

 

Specifications

Number of standard samples            80

The vial number setting range is from 1 to 200

 

Rack/sample vials:

Conditions can be set to accommodate a variety of sample vials and racks

 

Syringe capacity                                 0.5 mL (standard syringe)

 

Sample injection volume                    0.5 µt to 400 µL (standard loop: 100 µl)

 

Syringe speed                                                5 speeds can be chosen by the analyst

 

Sample injection method:

Syringe measurement cut injection

Syringe measurement all volume injection

Full loop measurement injection

 

Pressure resistance                           34 MPa (350 kgf/cm ² )

 

Materials of wetted parts                    Stainless steel (SUS316), fluororesin , borosilicate glass, Vespel * (injection valve rotor seal), PEEK** (syringe valve rotor seal), EPDM; ethylene-propylene rubber*** (waste tube), pofypropylene (drain pan)

*           Not usable for other than pH1 to pH13.

**          Not usable for concentrated sulphuric acid, concentrated nitric acid, tetrahydrofuran

(THF), and methylene chloride

***        Not usable for benzene, hexane, toluene, xylene , chloroform, tetrahydrofuran,

hydrochloric acid, nitric acid, etc.

 

pH range                                             pH1 to 13

 

Display                                                LCD with back light (40 characters x 2 lines)

 

Control system            :                        Sequential injection function for LC

 

Vial detecting function             :            Provided

 

Data storage    :                                    Battery backed-up memory

 

Number of injections

per sample                                          Up to 99 times

 

Analysis time                                       999.9 rninutes

 

External communication

function                                               D-Line communication

 

GLP function

Error detection                        Abnormality in operation of the

system is detectable.

Maintenance logbook             After part replacement, the number of injections is

recorded . The count can be reset to zero after certain parts (e.g. injection port seal) have been replaced.

 

Ambient temperature                          4 to 35°C

 

Ambient humidity                                45 to 85%

 

Power requirement                             100 - 240 V AC ± 10%, 50160 Hz

 

Power consumption                           Approx. 85 VA

 

Installation category                            Category II in 1E01010-1

annex J

 

Dimensions                                        260(W) x 500(D) x 235(H) mm (excluding protrusions)

 

Weight                                                            Approx. 19 kg

 

 

 

 

 

Model L-7100 Pump

 

Specifications

 

Pump Unit

 

Liquid Feed system:

Dual plunger type reciprocating pump, series connection

 

Maximum discharge pressure:

39.2 MPa (400 kgf/cm ² )

 

Discharge rate range:

0.001to 9.999 mL /min

 

Pressure limit range:

0 to 41.2 MPa

 

Discharge volume of plunger no. 1:

100 µL/stroke

 

Flow rate setting accuracy (at constant room temperature of 20°C for distilled water):

• ±2 µL/min (0.01 to 0.1 mL /min, 1.0 to 39.2 MPa )
• ±2% (0.101 to 5 mL /min, 1.0 to 39.2 MPa )
• ±2% (5.001 to 9.999 mL /min, 1.0 to 2.0 MPa )
• +2% to -1p*% of discharge pressure

(5.001 to 9.999 mL /min, 2.1 to 39.2 MPa )

    *p ….. Pump pressure ( MPa )

 

Flow rate stability:

0.2% RSD or less (retention time at flow rate 1 mL /min, at constant room temperature of 20°C for distilled water)

 

Compensation of solvent compression ratio and elimination of pulsation:

High-speed feedback real-time control

 

Pressure display accuracy:

±5%

 

Constant pressure liquid feed:

2.0 to 39.2 MPa (20 to 400 kgf/cm² )

(Flow rate range: 0 to 5 mL /min)

 

Material of wetted parts:

SUS 316, ruby, sapphire, ceramic, PTFE carbon-impregnated PTFE

 

Display data:

Parameters

Pump monitor            Flow rate, pressure

Gradient monitor         Elapsed time, mixing ratio, flow rate, pressure, timer value, etc.

 

Pump control mode:

• Single-liquid delivery mode
• Low pressure gradient mode
• High pressure gradient mode

 

Contact input/output terminals:

Event timer: 4 channels

 

External communication:

D-line

(a) D-line communication mode ( D-line ON )

(b) D-line contact mode (D-line OFF)

OUTPUT         PUSY/READY

INPUT             1) GRADIENT START

2) EMERGENCCY STOP

 

Specification of pressure unit:

MPa , kgf/cm², bar, psi

 

Pressure zero adjustment:

Possible

 

Ambient temperature:

4 to 35°C (condensation unallowable)

 

Humidity:

45 to 85% RH

 

Power supply:

100 to 240 V AC ± 10%

 

Power frequency:

50/60 Hz

 

Power consumption:

About 100 VA

 

Dimensions:

260 (W) X 500 (D) x 150 (H) mm

 

Weight:

About 14 kg

 

Installation Category: II (by IEC1010-1 Annex J)

 

 

Low Pressure Gradient System

Number of mobile phase                    Up to 4

 

Mixing                                                  Valve opening/closing time control

 

Mixing ratio range                                0 to 100% (in increments of 1%)

 

Flow rate setting range                       0.001 to 9.999 mL /min (in increments of 0.001 mL /min)

 

Recommended flow rate range         0.1 to 9.999 mL /min (If the flow rate exceeds 2.0

mL /min , it is recommended to use the optional mixer.)

 

Gradient Blution profile                        Linear/multi-step

 

Number of programming steps         92 steps max. per program

100 steps max ./ 9 programs

 

Programming time                              Up to 600 min (in increments of 0.1 min)

 

Programming items                            - B/C/D mixing ratio

- Flow rate

- Event Signal output

- Pump stop, buzzer

 

Number of programs                          9

 

 

High Pressure Gradient System

Number of mobile phase                    Up to 3

 

Mixing                                                  Double or triple pump flow rate control

 

Mixing ratio range                                0.0 to 100.0% (in increments of 0.1%)

 

Flow rate setting range                       0.001 to 9.999 mL /min (in increments of 0.001 mL /min)

 

Recommended flow rate range          0.1 to 9.999 mL /min

 

Gradient elution profile                        Linear/multi-step

 

Number of programming steps         92 steps max. per program

100 steps max. /9 programs

 

Programming time                              Up to 600 min (in increments of 0.1 min)

 

Programming items                            - B/C mixing ratio

- Flow rate

- Event Signal output

- Pump stop, buzzer

 

Number of programs   :                       9

 

 

 

 

 

D-7000 Interface Module

 

 

D-7000 IFM

 

Enclosure

The D-7000 IFM enclosure has the following physical characteristics:

Dimensions                 260 min x 500 mm x 50 mm (W x L x H)

Weight                                     6 kg

Power Supply             25 VA

CPU Board

CPU                             68340 (16 MHz)

ROM                            256K

RAM                             1.0 MB

I/0 RAM                        256K

 

A/D Converter

Analog Range              -10 mV to 1 V

Dynamic Range          21 bits

Resolution                   0.25 microvolts per count

Minimum A/D Speed 12.5 msec .