Procal - Model 2000 Range - Infrared Analysers
From Infra-Red Analysers
Procal 2000 is an infra-red (IR), duct or stack-mounted analyser designed to provide in-stack analysis of up to six, gas-phase emission components.
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Instrument Overview
Procal 2000 is an infra-red (IR), duct or stack-mounted analyser, designed to provide In-Situ analysis of up to six gas-phase emission components.
A typical system comprises a stack mounted analyser, an integral calibration function and a Control Unit with options which include a powerful in situ Heater and a stand-alone Analysis Software package.
Procal 2000 uses the reflective beam principal to directly measure process gas as it enters the in situ sample cell. Unlike higher maintenance extractive systems, Procal’s patented, sintered metal technology removes the need for gas filtering or sample conditioning.
The Procal 2000 analyser requires very little maintenance and achieves a class-beating up-time of over 98% in demanding applications.
Examples of Principles of Operation
Analyser: The Procal 2000 analyser operates on the proven, single beam, dual–wavelength IR light principle. Mid IR Pulses, at two specific wavelengths per monitored component, are transmitted through the sample cell. The ‘measure’ pulse is partially absorbed by the gases being measured while the ‘reference’ pulse remains unaffected. Up to eight wavelengths are available, sometimes sharing reference wavelengths, allowing up to six gas-phase component concentrations to be monitored simultaneously. Uniquely, the operation, zero and calibration are “fully challenged” in that all operating modes use the same optical path and system components.
Auto Verification: The integral Auto Verification Unit initiates a zero-check on the system by filling the sample probe with clean, dry instrument air. Similarly, it performs a span-check by filling the sample probe with certified span gas.
Applications:The Procal 2000 analyser has been in service for over 25 years with continual product improvement to match ever-tightening legislative requirements. Over 2,400 Procal 2000 units are in operation worldwide - refer to our industry data sheets or visit www.procal.com for typical applications and associated measurement ranges.
Features
- Multi-component gas analysis
- Direct in-situ measurements
- Wet or dry (option)
- Automatic signal verification and recalibration
- Oxygen or CO2 measurement normalisation (option)
- Flange mounted analyser
- Low maintenance
- ATEX / IEC option.
Benefits
- Each Procal 2000 can measure up to six components.
- No requirement for high cost, high maintenance sample handling system or sample conditioning.
- Can inherently report on Wet or Dry gas basis.
- No operator intervention during routine use.
- Report measurement corrected to normalised O2 or CO2 reference conditions
- Reduced cost and simple of installation.
- Reduced cost of through life ownership
- Can be used in hazardous areas.
Control Unit Options
Analyser Control Unit - Procal 1000 range
The Procal 1000 data logging and control system is Microsoft Windows based. The system is capable of controlling up to six, widely dispersed, Procal analysers of any design. The Procal 1000 range is also designed to accept signal I/O from other instruments in the process to provide a single CEMS data hub. The Procal 1000 system displays gas concentrations and third party analyser I/O along with information on sample conditions, diagnostic data and trends. The information can also be made available to external components in a variety of industry standard data protocols.
Optional Components
Optional accessories are available to extend the analyser’s capability in cases of extreme process or ambient variations. Typical examples would be a probe heater to ensure the in situ gas cell operates above process gas dew point, a gas flow bypass for high thermal stress applications and a head cooler for operation in high ambient temperature conditions.
Approvals
The Procal 2000 system is designed to meet the requirements of both customers and environmental authorities worldwide. The system enables rapid upgrades with regard to measuring range, presentation and reporting format, thus ensuring compliance with reporting criteria such as US EPA 40 CFR part 60 & 75 legislation. The system calculates errors due to drift in Zero & Span Calibration before correction as required for QAL 3 of EN 14181.
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