Brand: leetes

Model: WL8A-pro

Manufacturer: Guiyang Leetes Instrument Co., Ltd.

Sales Hotline: 136-3901-2172

Product Description

Detector

Photomultiplier Tube (PMT)

Light Source

Full-frequency digital spark excitation light source ensures light source stability.      

High analytical precision.                         

Spark stand adopts argon-filled protection.                                                 

Discharge dual pulse adjustable: 1us----200us  (software controllable and writable)    

Inductance: 20μH, 50μH, 100uH                        

Frequency: 100---1000Hz continuously adjustable (software controllable and writable)

Discharge voltage: 100V, 200V, 300V  controllable

Readout System

Ultra-high-speed digital collector, 1 million times per second, adopts multi-segment integration method and single spark signal acquisition.                         

16-bit A/D converter, 100kHz high-speed sampling per second, ensures acquisition accuracy.      

Front-end digital control, standard industrial USB interface. Very convenient to connect with standard computers.                            

Readout system precision: RSD ≤ 0.01%

Built-in fault diagnosis function for each part of the instrument, equipped with full Chinese Windows analysis software, automatically completes fault diagnosis.

Detector uses Japanese Hamamatsu photomultiplier tube              

Optical System

Paschen-Runge mount method, grating focal length 750mm independent suspended vacuum system.

Wavelength range: λ 150nm - 800nm

German Zeiss grating  Grooves: 2400g/mm Focal length: 750mm  Blaze wavelength: 190nm                                    Basic channels: 10. (Configuration can reach up to 64 channels)                    

Photomultiplier tube high voltage 1000V stability 0.01% (load variation 100%)

Specially processed 10um -- 70um independently adjustable exit slit, high precision.

Sample Stage

Spark stand size: 110 X 75mm

Special design of discharge chamber for easy excitation and argon saving.

Enclosed spark chamber design to avoid harm from spark radiation to personnel.

Excitation electrode: tungsten electrode or silver electrode.

Analysis Software

Full Chinese Windows-based analysis software, sets analysis spark parameters, automatically completes excitation, rinsing, pre-ignition exposure time selection.

Automatic data acquisition. Automatic fitting of working curve by least squares principle.

Automatic two-point or single-point standardization of analysis curves.

Automatic control sample correction, one analysis curve can choose multi-point control sample correction.

Output options: intensity, intensity ratio, concentration, corrected concentration.

Repeat one or multiple excitations at the same point, delete one or multiple excitation results.

Automatic calculation of average value, SD and RSD.

Correction of inter-element interference and background correction.

Public standard material library.

Test results can be printed or saved to disk.

Print format can be customized. Can also generate Word documents, etc. for saving.

Test results can be transmitted remotely via network and computer standard ports.

Software includes fault diagnosis and self-test programs.

Automatically generated data files can remotely diagnose instrument faults.                     

Accessory Options

Analysis fixtures for special samples.

Chilled iron sampling mold (for cast iron materials).

Power Supply

220V±10% single phase 10A  2KVA  Requires instrument grounding wire.

Operating Environment

Instrument has built-in high-precision constant temperature, ambient temperature range: 5 ~ 42℃ Relative humidity: less than 75%.

Data Processing System

Standard configured brand computer.

USB communication port, printer.

Dimensions

L*W*H:  1200 (L) × 850 (W) × 1150 (H) (mm)

Total weight: 200kg