QSN 750-II0 pages

QSN 750-11

Optical Emission Spectrometer

for Universal, High Precision

Metal Analysis

Our QSN 750-n model is a

spark emission spectrometer

that can be used as a single-

or multi-matrix system thanks to its

750 mm vacuum optics. This results

in a broad field of application, which

not only covers the entire range of

metal producing and processing

enterprises, but also includes a large

spectrum of options for material

testers and testing institutes. Both the

integration system and the

photomultipliers, which are arranged

in accordance with customer

specifications, are housed inside the

optics and are therefore protected

against external influences. The

temperature-stabilised optics and the

Gated Digital Source (GDS)

technology guarantee a high degree

of signal reproducibility and thus

analytical constancy. The easy-to-

reach self-cleaning and patented

spark stand and aperture window

enable problem-free maintenance by

the user. An exhaust filter ensures the

consumed argon is purged.

In contrast to the compact

GS 1000-11, lie QSN 750-11 can

also be used within automated

production environments. In such

cases, the spectrometer is combined

with a sample-preparation device and

a sample-handling robot to form a

single unit, which naturally also

ensures automatic cleaning of the

counter-electrode. The analysis

results are transferred online to the

superordinate computer system using

a network connection. In order to

guarantee optimum quality control,

the spectrometer initiates any

necessary control sample readings at

certain time intervals, whereby the

robot is again responsible for sample

handling. With the help of previously

defined limiting values, the

spectrometer automatically monitors

control samples. Key system

functions are permanently monitored

and if necessary this information is

transmitted to other systems.

Alarge number of analysis

programs can arise especially

when using multi-matrix

systems to perform extensive

analytical tasks. For this reason, the

matching spectrometer software,

OBLFwin, provides numerous

individual programming options to

perfectly suit user requirements. In

addition, the automatic program

selection option simplifies

assignment of the right analysis

program. Depending on the

application, the measured values

appear on screen approx. 16-30

seconds after the start of the

measuring process and can then be

printed out, transferred within the

network or evaluated later.

Technical Specifications

1. Optical system.

- Paschen-Runge line-up

- temperature stabilised

2. Vacuum system

- automatic vacuum control

- pump duty cycle < 5%

3. Spark stand

- optimized for low Ar consumption

- patented self cleaning

- spark frequency up to 1 kHz

4. Spark generator

- Gated Digital Source (GDS)

- completley maintenance free

- fully semiconductor-based & digital control

5. Software Functions

- Windows09 Software

- automatic precision control

- automatic reprofiling

- automatic averaging

- type calibration

- charge control

- data module for statistic process control

6. Applications

- all matrices

7, Installation

- dimensions approx. 119 x 130 x 90 cm (wxhxd)

- weight approx. 550 kg

- permissible operating temp. +10 to +40°C

- argon supply: 3 bar, Ar 4.8 or better

- power connection 230V, 50/60HZ, 1.5 kVA

Contact:

OBLF

Ges. fur Elektronik & Feinwerktechnik mbH

Salinger Feld 44 D-58454 Witten

Tel. +49 2302 9879-0 Fax: +49 2302 9879-80

Email: info@oblf.de Internet: www.oblf.eu