Calcmet standard

The advanced, easy-to-use Calcmet™ software provides outstanding analytical performance. Calcmet™ analyzes the sample spectrum using sophisticated and patent protected multicomponent algorithms. Calcmet™ is capable of simultaneous detection, identification, and quantification of up to 50 different gas components. Cross-interference effects are compensated for and analysis accuracy is maintained even when analyzing complex gas mixtures where there is a possibility of spectral overlapping.

The software is also designed for easy and efficient processing of the results. Since water content of the sample gas is continuously measured with the Gasmet™, the results can be reported on either a “wet” or “dry” basis. The results can also be compensated for the correct oxygen levels.

Accurate results are available within seconds. Since the sample spectra are stored as separate files on an external computer, they can be easily re-analyzed with different analysis settings even after years. Calcmet™ software also allows the identification of previously unknown components – a feature that has often shown its value in process control, for example. Calcmet™ also supports both analog 4 - 20 mA outputs and digital protocols (e.g. MODBUS, PROFIBUS etc.)

 

Comparison of Calcmet versions
Calcmet Standard and Professional version support all Gasmet models. Standard Pro
50 gas multicomponent analysis x x
Sampling system control
(portable and stationary)
x x
Support for inputs and outputs
(PCI expansion cards)
x x
Support for 16 and 24-bit electronics x x
Identification of gas components using Library Search routine x x
Identification of gas components using Advanced Library Search routine - x
Fast measurement for automotive applications. Requires additional hardware - x
English language x x
Possibility to use NIST library (requires a separate NIST library option) - x
Match functions & Logic functions - x
Peak marking, Savitsky-Golay smoothing, Deconvolution - x
All new advanced updates will be available in Pro version. Updates are free of charge for Pro users.

Technical Data

General parameters
Operating system: Windows 7 (32-bit) operating system
Hardware requirements: 512 MB memory, > 40 GB hard disk, > 2.4 GHz Intel Pentium IV processor, DVD-RW, modem, network card, RS-232 and USB ports
Analysis principle: Modified classical least squares
Performance: Simultaneous analysis of up to 50 gas compounds. Data acquisition, analysis of 20 gases and output in < 1000 ms
Data storage: Automatic saving of sample spectra with options for saving only when a specific condition is met (concentration / residual). Automatic saving of analysis results, log files, and calibration check files.
User configured autosave file and folder names.
Spectrum file size 4.3 kb in Calcmet spectrum file format
Hard disk guard: Monitors disk space. Deletes old sample spectra when disk is full
Hardware watchdog: Possible to enable when using Gasmet PC

 

Input/output options
Analyzer control: RS-232 COM port (standard)
Expansion cards: AdLink PCI expansion cards (up to a total of eight cards)
  • PCI-6208 analog output
  • PCI-7230 digital input /output
  • PCI-7250/51 relay output
  • PCI-9112 analog input
AdLink ISA expansion cards (up to a total of three cards)
  •  ACL-7225 relay output
Advantech DA&C unit via Ethernet (up to eight modules)
Beckhoff TwinCAT (up to 255 modules)
Serial output: MODBUS (other FieldBus formats as an option)
AK Protocol (Pro)
COMLI
ASCII (proprietary format)
Remote control: PC Anywhere (Telephone Modem or Internet connection)

 

Analytical performance
Data acquisition time: 1 – 500 seconds, time weighted average of individual scans lasting 100 ms each.Data acquisition may be configured for any interval or for sampling from multiple sample streams.
Detection limit: < 3 x spectral baseline noise
Linearity deviation: < 2 % of reference concentration
Linearity correction: Automatic, multi-point fitting of calibration curve
Cross interference: < 4 % of reference concentration, cross-interfering components are included in multicomponent analysis
Quality assurance: Residual absorbance from analysis is monitored and results invalidated if residual is too high
Supported file formats: Gasmet sample spectra (.spe)
Gasmet reference spectra (.ref)
Gasmet background spectra (.bkg)
Gasmet Interferogram file (.ifg)
ASCII x-y table (.txt)
JCAMP-DX (.dx)

 

Comparison of Calcmet versions
Calcmet Standard and Professional version support all Gasmet models. Standard Pro
FTIR analyzer control (RS232) x x
50 gas multicomponent analysis x x
Sampling system control
(portable and stationary)
x x
Support for inputs and outputs
(PCI expansion cards)
x x
Support for 16 and 24 bit electronics x x
Identification of gas components using Library Search routine x x
Identification of gas components using Advanced Library Search routine - x
Fast measurement for automotive applications. Requires additional hardware - x
English language x x
Possibility to use NIST library (requires a separate NIST library option) - x
Match functions & Logic functions - x
Peak marking, Savitsky-Golay smoothing, Deconvolution - x
All new advanced updates will be updated in Pro version. Updates are free of charge for Pro users.

 

End user licence: Unlimited Site Licence, user may install Calcmet on as many workstations as required for his/her own use.


 

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