GS 1000-II

GS 1000-II

GS_1000-II_03The GS 1000-II, the smallest member of the OBLF family, is a single matrix spark emission spectrometer for all standard applications. Thanks to its compact and solid construction as well as its simple operation, it is ideal for use in production environments like foundries, but also for the purpose of incoming goods and materials control. In order to guarantee independence from the external conditions surrounding the spectrometer, the detectors (photomultipliers) and the integration system are housed in the temperature-stabilised vacuum optics. The analytic capability covers the precise analysis of short-wave elements like carbon, phosphorous, sulphur and nitrogen in steel or cast iron and phosphorous in aluminium.


  • compact spectrometer
  • GDS III spark source
  • vacuum optics
  • self-cleaning spark stand
  • „mini-GISS“ as option
  • double electrode system as option
More Infos

Like with all OBLF spectrometers, the electrical spark is generated with the help of a Gated Digital Source (GDS), which enables simple determination of the best possible excitation parameters combined with short analysis times. The maintenance needs are low thanks to the easily accessible, self-cleaning spark stand. Our special, patented gas-supply system was optimised to keep argon consumption to a minimum, which results in very low operating costs.

Apart from on-screen display and output via a printer, the analysis results can also be made available to superordinate systems via a network connection. Our spectrometer software, OBLFwin, whose parameters can be set to suit the tasks of the individual customer, contains materials control, automatic program selection and machine monitoring options using control samples. The customer-specific calibration of the spectrometer is usually performed at OBLF’s premises, whereby we can also take samples provided by our customers into account.

Precise instructions on how to operate the spectrometer and use the software are naturally given during installation. The customer only has to ensure availability of a power and an argon supply.

Technical Data


  • spectrometer in Paschen-Runge mounting
  • Rowland circle diameter 500 mm
  • wavelength range 140-770 nm
  • optics and read-out electronics temperature stabilised to ± 0.1°C for excellent long-term stability
  • automatic computer controlled profiling
  • coma corrected slits
  • PMT types selected according to the respective wavelength
  • shock resistance

Vacuum System

  • evacuated light metal chamber
  • maintenance free 2-stage rotary vane pump
  • vacuum pump integrated in cabinet
  • pump duty cycle <5%
  • oil diffusion protection
  • automatic pressure regulation and stabilisation

Spark Generator

  • Gated Digital Source (GDS) with integrated multi-spark system
  • maintenance free
  • spark frequency up to 1 kHz
  • unipolar medium voltage discharge
  • separate parameter for pre-sparking and integration selectable
  • variable excitation parameters & discharge characteristics selectable by software
  • Ignition voltage 20kV

Spark Stand

  • Argon purged spark stand, optimised for low Ar consumption
  • patented self-cleaning
  • open sample stand for easy handling
  • low-wear top plate with 12 mm opening
  • optionally adapters for small parts and wires are available
  • low-wear tungsten electrode
  • pneumatic sample clamp for rapid sample handling
  • automatic electrode cleaning as option
  • About 3 l Argon consumption per measurement
  • easy maintenance


  • stabilised PMT high voltage supply
  • dynamic 16 bit AD conversion for each channel
  • DSP Processor controlled
  • USB interface to spectrometer PC

Dimensions & Weight

  • width 60 cm
  • height 110 cm
  • depth  108 cm
  • weight about 300 kg

Power Supply

  • 230V; 50/60 Hz; 1,5 kVA
  • 200 W in stand-by mode

Environmental Conditions

  • operation temperature 10 – 40 ºC


  • standard computer system
  • MS Windows® 7 operating system with custom specific regional and language settings


  • OBLFwin spectrometer program
  • easy routine operation
  • freely configurable sample IDs
  • automatic repeatability control for measurements
  • automatic averaging
  • warning signal if calibration is exceeded
  • bad sample detection including dynamic measurement control (option)
  • as many analysis programs to customer specifications as required
  • individual analysis parameters for each program
  • multivariate calibration model (incl. line overlaps and matrix effects)
  • easy and simultaneous recalibration of a complete matrix
  • automatic program selection
  • type calibration and type measurement
  • spectrometer control sample measurements
  • average and standard deviation from chosen measurements
  • automatic reminder of regular recalibration
  • grade control by comparison with grade database settings
  • automatic display of of selected grade or material number
  • freely editable grade database
  • printout of certificates
  • analysis database
  • several statistical functions as display of control charts
  • automatic analysis data export
  • system check preceding each analyse
  • System diagnostics module
  • software supported maintenance tasks, for example entrance window cleanin
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