Calcmet professional

Calcmet is used together with Gasmet gas analyzers to collect FTIR spectra of the sample gas and to analyze the concentrations of gas components. Calcmet provides an easy to use interface to the FTIR gas analyzer, stores and visualizes the sample spectra and performs the multicomponent analysis using Gasmet Technologies Oy’s patented modified classical least squares algorithm.

Calcmet also supports various input and output formats, which enable integration of the Gasmet gas analyzers to continuous emissions monitoring systems (CEMS) and to a variety of data acquisition systems. Typical inputs include analog 0-10 V and 4-20 mA signals and digital inputs from e.g. stack temperature and pressure sensors, flow measurement devices and particulate matter analyzers. Typical outputs include relay outputs used to control sampling systems, 0-10 V and 4-20 mA outputs of measured concentrations, and serial Modbus output consolidating both measured concentrations and binary alarm/status signals. Conversion of Modbus to other FieldBus formats is also supported.

Calcmet comes in two versions, Calcmet Standard and Calcmet Pro. The Pro version offers additional features including automatic identification of gases based on a Library Search routine.

 

Comparison of Calcmet versions
Calcmet Standard and Professional version support all Gasmet models. Standard Pro
FTIR analyzer control (RS232)    
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.

 

CalcmetTM 4040 Professional version

Calcmet 4040 Professional software is installed into an external computer. Calcmet 4040 PRO version is connected to Gasmet DX4040 gas analyzer with RS-232 port and it can be used to measure and analyze sample spectra on-line with DX4040 models.

 

Properties of the Calcmet 4040 Pro version  
Calcmet 4040 Professional version is used only with Gasmet DX4040 model 4040 Pro
Analyzer specific software
(Serial number identification)
x
Measurement by external computer x
50 gas multicomponent analysis x
Support for inputs and outputs x
Identification of gas components using Library Search routine x
Identification of gas components using Advanced Library Search routine x
250 component spectra library
CWA not included
x
English language x
Simple mode 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

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 (not in DX4040 PRO): Monitors disk space. Deletes old sample spectra when disk is full
Hardware watchdog (not in DX4040 PRO): 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
Simple mode - x
All new advanced updates will be updated in Pro version. Updates are free of charge for Pro users.

 

End user licence:

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

Professional version: Single user licence, protected with a HASP USB key. Calcmet Pro features are contained in standard version distribution package, but are hidden when Calcmet Pro licence key is not present.

Calcmet 4040 PRO: Single user licence, protected with a HASP USB key. Analyzer specific software according to analyser serial number and protection code.

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