Страна производитель: 
The LC-20AD offers the most stable solvent delivery performance in the world. With an automatic pulsation-correction mechanism and high-speed micro plunger drive, it achieves pulse-free solvent delivery. Improvements in solvent-delivery control firmware have significantly improved performance in the micro-flow-rate range below 50 µL/min
Технические характеристики: 


Solvent delivery method        Parallel-type double plunger

Plunger capacity                    10µL

Maximum discharge

pressure                                 40MPa

Flow-rate setting range         0.0001 to 10.0000 mL/min.

Flow-rate accuracy                No more than 1% or 0.5µL/min., whichever is greater (0.01 to                                         2 mL/min.)

Flow-rate precision                No more than 0.06% RSD or 0.02 min SD, whichever is greater

Pulsation                                0.1 MPa (for water at 1.0 mL/min. and 7MPa)

Constant-pressure solvent

delivery                                  Supported

Plunger rinsing

mechanism product   Manual rinsing or automatic rinsing using optional

Safety measures                    Liquid-leakage sensor, high-pressure/low-pressure limits

Operating temperature

range                                      4oC to 35oC

Dimensions, weight               260 (W) x 140 (H) x 420 (D) mm, 10 kg

Power requirements  100 VAC, 150 VA, 50/60 Hz


Gradient system                     LC-20AD/20AT, low-pressure GE specifications

Gradient type             Low-pressure mixing

Number of mixed solvents                4 max.


The SPD-M20A PDA detector

Light source                           Deuterium (D2) lamp, tungsten (W) lamp

Number of diode                    512


Wavelength range                 190 to 800 nm

Bandwidth, slit width 1.2 nm (high-resolution mode), 8 nm (high-sensitivity mode)

Wavelength accuracy 1 nm max.

Wavelength precision            0.1 nm max

Noise                                      0.6 X 10-5 AU (under specified conditions)

Drift                                        5 X 10-4 AU/h (under specified conditions)

Linearity                                 2.0 AU (ASTM standard)

Functions                                Contour output, spectrum library, MAX plotting

Cell                                         Optical wavelength: 10 mm, capacity: 10µL, withstand                                                     pressure: 12 MPa

Cell temperature-control

range                                      5oC above room temperature to 50oC

Web control                           Parameter setting, log management, management of                                                      consumable parts, etc.

Buffer memory                      Approx. 20 minutes of data in the entire wavelength region

Operating temperature

range                                      4oC to 35oC

Dimensions, weight               260 (W) x 140 (H) x 420 (D) mm, 12 kg

Power requirements  100 VAC, 150 VA, 50/60 Hz



Enhanced Solvent Delivery Specifications
Flow-rate accuracy and precision in the micro-flow rate region have been improved with the addition of a new type of check valve and modifications to the solvent delivery control method. Non-polar organic solvents such as hexane can be delivered stably.

Improved Durability
New and improved plunger seal materials ensure robust, long-lasting performance. A sapphire plunger optimized according to its crystal structure and a precise plunger-holding mechanism help increase the service life of plunger seals and enable stable solvent delivery over long periods.

Space-saving Designs
An optional low pressure gradient valve (LC-20AD/20AT), CBM-20Alite system controller, and a seal wash pump (LC-20AD) can now be installed inside the solvent delivery unit, enabling 4-solvent gradient elution in a compact space.


The SPD-M20A PDA detector


The SPD-M20A High Performance Liquid Chromatography PDA detector provides users with the most advanced level of sensitivity and stability found in today's PDA detectors. Sharing many of the qualities of the SPD-20A/20AV UV-Vis Detectors, the SPD-M20A attains sensitivity levels approaching the most advanced UV-Vis detectors. It has a high-sensitivity mode with an 8 nm slit width. Using light-source compensation, it offers a noise level of 0.6×10-5 AU, which is comparable to that of traditional UV-VIS detectors.

Greater Baseline Stability
Supplied as standard, a temperature-controlled flow cell eliminates inconsistencies caused by changes in absorbance due to shifts in room temperature. This helps increase the baseline stability and the analysis reliability.

Superior Linearity - 2.0AU
Using newly developed signal processing technology, the stray-light correction function has been enhanced, and the linearity has been improved. This expanded linearity combines with various noise-reduction technologies to provide users with a wide dynamic range and allow for the analysis of your target compound and minor impurities in a single run.

Web Browser Control
The SPD-M20A is equipped with an Ethernet interface and Web-control functions, allowing devices to be monitored and controlled from PCs in the network. As a standalone high-sensitivity multi-wavelength detector, it can be incorporated into non-Shimadzu HPLC systems.