Precisive Products

The following products are fully calibrated and ready for "plug and play".

Precisive 5-242 — Natural Gas Analyzer

Measurement channels CH4, C2H6, C3H8, i-C4H10, n-C4H10, C5H12, CO2, BTU Calorific/heating value, Wobbe index
Applications Natural gas processing (fractionation, de-ethanizer, feedgas), power generation (fuel cell, gas turbine, combustion engine), check-metering, pipeline injection & blending
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Precisive 5-242 is a real-time Precisive hydrocarbon gas analyzer calibrated for Natural Gas composition monitoring and heating value analysis. This package is optimized for gas-phase product analysis containing C1 – C5 alkane gases, CO2 carbon dioxide, H2 hydrogen and O2 oxygen. Applications include:

  • Natural gas composition monitoring (distribution, storage, metering, blending, processing)
  • Natural gas compression stations
  • Check metering, blend monitoring, fast-response BTU monitoring
  • Natural Gas based power generation (turbine, combustion engine, fuel cell)
  • Fast-response alternative to traditional gas chromatograph type instruments
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Analysis in seconds
  • Real-time, continuous measurement
  • Suitable for process control applications
  • Robust feedback control, eliminates needs for complex feed-forward modeling
No carrier gas or fuel gas requirements
  • Low operational costs for remote & unattended use
  • Minimal infrastructure requirement, suitable for small scale plants
Robust calibration
  • Full hydrocarbon speciation without columns
  • Less than 0.2% zero-drift per month
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  • Minimized potential sampling and phase change issues
Compact, outdoor-rated, low-power
  • Well suited for transportable spot check applications
  • NEMA4X, IP66, can be engine or manifold mounted
Attribute Specification
Measurement ranges
  • Methane: 0 – 100% (C1)
  • Ethane: 0 – 25% (C2)
  • Propane: 0 – 25%( C3)
  • n-Butane: 0 – 10% (nC4) and iso-Butane: 0 – 10% (iC4)
  • n-Butane + n-Pentane: 0 – 10% (nC4 + nC5)
  • neo-Pentane + iso-Pentane: 0 – 10% (neoC5 + iC5)
  • Carbon Dioxide: 0 – 100% (CO2)
  • Hydrogen Sulfide (optional): 0 – 50% (H2S)
  • Calculated balance (N2, O2, H2) or analog inputs available for H2 &/or O2
  • BTU Calorific Value (CV) and Wobbe Index (WI) per ISO 6976:1995
Precision / repeatability
  • Hydrocarbon channels: < +/- 0.05% (absolute)
  • CV & WI computation: < +/- 0.05% (relative of reading)
Accuracy (absolute by volume unless otherwise specified)
  • Methane: 80 – 100%: 0.2%, 0-80%: 0.5%
  • Ethane & Propane: 0 – 10%: 0.2%, Butanes: 0 – 5%: 0.1%,
  • Pentanes (lumped): 0.2%, CO2: 0.2% (& optional H2S: 0.2%)
  • CV & WI computation: +/- 0.2 (relative of reading)
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-242 Natural Gas Analyzer

P5-242 Datasheet
Download (PDF)

APPLICATION NOTES

Fast-Response, High-Accuracy Heating Value and Wobbe Index Analyzer

APPLICATION NOTES

Real-Time Fuel Composition Analyzer for Gas-to-Power Control

Precisive 5-152 — LNG Analyzer

Measurement channels CH4, C2H6, C3H8, i-C4H10, n-C4H10, C5H12, BTU Calorific/heating value, Wobbe index
Applications LNG loading/unloading, receiving terminal, downstream LNG processing, LNG metering/custody transfer, power generation
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Precisive 5-152 is a real-time Precisive hydrocarbon gas analyzer calibrated for LNG composition monitoring and heating value analysis. This package is optimized for gas-phase LNG product analysis containing C1 – C5 alkane gases. Applications include:

  • LNG measurement at loading and unloading
  • spot check measurement / custody transfer
  • receiving terminal on-line analysis
  • downstream LNG production
  • NG/LNG based power generation
  • ideal fast-response alternative to traditional gas chromatograph type instruments
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Analysis in seconds
  • Continuous measurement instead of batch handling
  • Quick spot check measurement
  • Minimized sampling issues
  • Real-time feedback
No re-calibration, no carrier gas requirements
  • Low operational costs
  • Well suited for loading & unloading measurements
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  • Minimized potential sampling issues
Small footprint, outdoor rated
  • Well suited for transportable spot check applications
  • Can be mounted on the dock, close to loading area
Attribute Specification
Measurement ranges *
  • Methane: 0 – 100% (C1)
  • Ethane: 0 – 25% (C2)
  • Propane: 0 – 25%( C3)
  • n-Butane: 0 – 10% (nC4)
  • iso-Butane: 0 – 10% (iC4)
  • C5 (lumped): 0 – 5% (nC5, neoC5, iC5)
  • Nitrogen: calculated balance
  • BTU Calorific Value – CV (computed as per ISO 6976:1995)
  • Wobbe Index – WI (computed as per ISO 6976:1995)
Precision / repeatability
  • Hydrocarbon channels: < +/- 0.05% (absolute)
  • CV & WI computation: < +/- 0.05% (relative of reading)
Accuracy (absolute by volume unless otherwise specified)
  • Methane: 80 – 100%: 0.2%, 0-80%: 0.5%
  • Ethane & Propane: 0 – 10%: 0.2%, 10-25%: 0.5%
  • Butanes: 0 – 5%: 0.1%, 5 – 10%: 0.2%
  • C5 (lumped): 0.1%
  • CV & WI computation: +/- 0.4% (relative of reading)
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-152 LNG Analyzer

P5-152 Datasheet
Download (PDF)

Product Datasheet: Precisive 5-152 LNG Analyzer (和文)

P5-152 Datasheet (和文)
Download (PDF)

APPLICATION NOTES

Break-Through Optical Sensor for Natural Gas Composition Analysis

Precisive 5-159 — LPG Analyzer

Measurement channels C2H6, C3H8, i-C4H10, n-C4H10, C5H12, BTU Calorific/heating value, Wobbe index
Applications LPG loading/unloading, C3 product analysis, NG refineries (depropanizer, debutanizer, LPG product analysis)
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Precisive 5-159 is a real-time Precisive hydrocarbon gas analyzer calibrated for on-line LPG (liquefied petroleum gas) composition monitoring and heating value analysis. This package is optimized for gasphase LPG product analysis containing C2 – C5 alkane gases. Applications include:

  • LPG fast-response distillation measurement
  • spot check measurement / custody transfer given the wide composition variation of LPG
  • accurate and reproducible results in under 5 seconds
  • strong linearity throughout the range, robust LPG composition analyzer
  • ideal fast-response alternative to traditional gas chromatograph type instruments
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Analysis in seconds
  • Continuous measurement instead of batch handling
  • Quick spot check measurement
  • Minimized sampling issues
  • Real-time feedback (seconds, not minutes)
No re-calibration
No carrier gas requirements
No cleaning & no columns
  • Low operational costs
  • Well suited for loading & unloading measurements
  • Fast payback and increased instrument cycle time
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  • Minimized potential sampling and phase change issues
Small footprint, outdoor rated
  • Well suited for transportable spot check applications
  • Process control to DCS or portable spot-check device
  • NEMA4X IP66 rated with real-time Modbus output
Attribute Specification
Measurement ranges *
  • Ethane: 0 – 25% (C2)
  • Propane: 0 – 100% (C3)
  • n-Butane/n-Pentane: 0 –100% (nC4)
  • iso-Butane: 0 – 100% (iC4)
  • C5 (lumped): 0 – 10% (neoC5/iC5)
  • Calculated balance (H2 hydrogen, O2 oxygen, N2 nitrogen)
  • BTU Calorific Value – CV (computed as per ISO 6976:1995)
  • Wobbe Index – WI (computed as per ISO 6976:1995)
Precision / repeatability
  • Hydrocarbon channels: < +/- 0.1% (absolute)
  • CV & WI computation: < +/- 0.1% (relative of reading)
Accuracy (absolute by volume unless otherwise specified)
  • 0.2% absolute or <1% full scale (which ever is greater)
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-159 LPG Analyzer

P5-159 Datasheet
Download (PDF)

Precisive 5-253 — Acid & Sour Gas Analyzer

Measurement channels H2S, CH4, C2H6, C3H8, i-C4H10, n-C4H10, C5H12, CO2, optional NH3 &/or H20, BTU Calorific/heating value, Wobbe index
Applications SRU (Sulfur Recovery Units), feed-gas analysis, acid-gas removal, tail-gas treatment
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Precisive 5-253 is a real-time Precisive hydrocarbon gas analyzer calibrated for on-line Acid or Sour Gas composition monitoring and heating value analysis. This package is optimized for multi-component gas product analysis containing C1 – C5 alkane gases, plus high-concentration CO2 and H2S, with optional NH3 and H2O channels. Offering a fast-response alternative to gas chromatographs. Additional hydrocarbon measurement capabilities over traditional UV analyzers in sulfur recovery applications:

  • Gas feed streams & plant inlet analysis
  • Sulfur recovery process monitoring & Natural gas refining/sweetening process monitoring
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
A single all-optical analyzer for H2S + hydrocarbon + CO2 measurement
A complete feed stream analysis with a maintenance free analyzer that requires no carrier gas
Analysis in seconds
  • Continuous measurement instead of batch handling
  • Minimized sampling
Speciation by Tunable Filter Spectroscopy
(TFS™) technology
  • Virtually no cross-interferences
  • Full C1-C5 hydrocarbon speciation
  • Optional NH3 and H2O measurement for a 10-
    channel analysis with a single all-optical analyzer
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  •  Light source & detector stability proven in hostile
    applications from drill sites to "sooty" refineries
Compact, outdoor-rated, low-power
  • Well suited for fixed and transportable applications
  • NEMA4X, IP66 rated, 24VDC or 100-250VAC power
Attribute Specification
Measurement ranges *
  • Hydrogen Sulfide: 0 – 100% (H2S)
  • Methane: 0 – 100% (C1)
  • Ethane: 0 – 25% (C2)
  • Propane: 0 – 25% (C3)
  • iso-Butane: 0 – 10% (iC4)
  • n-Butane: 0 – 10% (nC4) + n-Pentane: 0 – 10% (nC5)
  • iso-Pentane + neo-Pentane: 0 – 10% (iC5 + neoC5)
  • neo-Pentane + iso-Pentane: 0 – 10% (neoC5 + iC5)
  • Carbon Dioxide: 0 – 100% (CO2)
  • Ammonia NH3 and Moisture H2O are also available as optional channels
  • Calculated balance (N2, O2, H2) or analog inputs for H2 &/or O2
  • BTU Calorific Value (CV) and Wobbe Index (WI) per ISO 6976:1995
Precision / repeatability
  • Hydrocarbon, H2S & CO2 channels: < +/- 0.05% (absolute)
  • CV & WI computation: < +/- 0.05% (relative of reading)
Accuracy (absolute by volume unless otherwise specified)
  • Methane: 80 – 100%: 0.2%, 0-80%: 0.5%,
  • Ethane & Propane: 0 – 10%: 0.2%, Butanes: 0 – 5%: 0.1%,
  • Pentanes (lumped): 0.2%, H2S & CO2: 0.2%
  • CV & WI computation: +/- 0.2 (relative of reading)
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-253 Acid & Sour Gas Analyzer

P5-253 Datasheet
Download (PDF)

Precisive 5-161 — BioMethane, SynGas, WasteGas Analyzer

Measurement channels CO, CO2, CH4, H2S, H2O
Applications Steam reforming, gas-to-pipeline injection, landfill/digested gas
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Precisive 5-161 is a real-time Precisive gas composition analyzer calibrated for applications including SynGas (synthetic gas), Bio-Methane and Waste Gas. This package is optimized for mixed stream compositions with bulk %-level measurements spanning light hydrocarbons (C1-C3), carbon monoxide (CO), carbon dioxide (CO2) and optional Moisture (H2O) and hydrogen sulfide (H2S). Applications include:

  • Bio-Methane to natural gas pipeline injection
  • BioGas, SynGas, Waste/Landfill Gas to power-generation
  • Hydrogen generation / steam reforming

An excellent alternative to electro-chemical and non-dispersive infrared analyzers, Precisive 5-161
analyzer provides accurate, linear and ultra-stable measurement throughout its measurement ranges with
virtually zero cross-interferences from other hydrocarbon compounds.

Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Built-in accuracy with Tunable Filter
Spectroscopy
  • High analytical reliability => install and "forget"
  • Suitable for analytically demanding applications such as pipeline injection and power generation
  • No cross interferences or with hydrocarbon components
  • Ability to speciate hydrocarbon components
One platform, one sensor technology
  • Reduced risks of sensor components failure
  • High "up time" and reliability
All-optical, flow through design
  • No sensor degradation issues even with aggressive or corrosive samples
  • Minimal sampling requirement
  • No sensitivity to pressure and flow variations
Attribute Specification
Measurement ranges *
  • Methane: 0 – 25% (C1)
  • Ethane: 0 – 10% (C2)
  • Propane: 0 – 10% (C3)
  • Carbon Monoxide: 0 – 100% (CO)
  • Carbon Dioxide: 0 – 100% (CO2)
  • Moisture: H2O (optional) *
  • Hydrogen Sulfide: H2S (optional) *
Precision / repeatability
  • Better than 0.1% (typically 0.05%)
Accuracy
  • 1% of full scale or 0.2% (absolute) whichever is greater
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-161 BioMethane, SynGas, WasteGas Analyzer

P5-161 Datasheet
Download (PDF)

Precisive 5-154 — Olefins Analyzer

Measurement channels CH4, C2H6, C2H4, C3H8, C3H6, i-C4H10, n-C4H10, upto 20 alkanes, alkynes, alkenes, CO, CO2, H2S and analog inputs including H2 and O2
Applications Ethylene & Propylene Fractionation, & Acetylene Conversion process monitoring
Read More

Precisive 5-154 is a real-time Precisive gas composition analyzer calibrated for multi-component C1 – C5 of alkane and alkene gas streams. An alternative replacement of gas chromatographs, it offers analysis in seconds and no carrier gas requirement. Applications include:

  • Furnace cracking process monitoring
  • De-Methanization, De-Ethanization, & De-Butanization process monitoring
  • Ethylene Fractionation, Propylene Fractionation, & Acetylene Conversion process monitoring
  • Storage of Ethane & Ethylene
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Analysis in seconds
  • Continuous measurement instead of batch handling
  • Real-time feedback
Simple to install and maintain
  • Low operational costs
  • No carrier gas or instrument fuel gas required
Linear across measurement range
  • Linear response across the full measurement scale
Precision and accuracy
  • Accurate and reproducible results in under 5 seconds for
    combustion control to a PLC
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  • Minimized potential sampling issues
Small footprint, outdoor rated
  • Extractive process mounted – replace GC installation
  • Process control to DCS via real-time Modbus output
  • NEMA 4X, CSA Class1Div2, ATEX Zone2, IP66 rated
Attribute Specification
Measurement ranges *
  • Ethylene: 0 – 100%
  • Propylene: 0 – 100%
  • Acetylene: 0 – 30%
  • i-Butene: 0 – 20%
  • 1-Butene: 0 – 20%
  • Cis-2-Butene: 0 – 20%
  • t-Butene: 0 – 20%
  • Methane: 0 – 100%
  • Ethane: 0 – 25%
  • Propane: 0 – 25%
  • iso-Butane: 0 – 50%
  • n-Butane: 0 – 50%
  • i-Pentane: 0 – 10%
  • balance channel reported (H2, N2, O2, CO2)
  • BTU Calorific Value (CV) & Wobbe Index (WI) per ISO 6976:1995
Precision / repeatability
  • Better than 0.1% (typically 0.05%)
Accuracy
  • 1% (absolute) or 0.2% FS (greater of)
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-154 Olefins Analyzer

P5-154 Datasheet
Download (PDF)

Precisive 5-162 — Flare Stack Gas Analyzer

Measurement channels Methane through n-Hexane speciated hydrocarbon channels — 11 direct measurements
Applications Fast-response & multi-component Stack monitoring for Olefin & Ethylene cracking plants
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Precisive 5-162 is a real-time Precisive gas composition analyzer calibrated for flare stack and fast response control of multi-component alkane and alkene gas streams. Applications include:

  • HPI flare stack analysis
  • Stack monitoring and combustion control for Olefin & Ethylene cracking plants
  • Much lower cost to buy, maintain and calibrate that alternatives such as Mass Spectroscopy
  • Maintains the accuracy of a Gas Chromatograph yet with superior response time
Features & Benefits
Analytical Specifications
Downloads
Features Benefits
Analysis in seconds
  • Minimized sampling issues
  • Real-time feedback
Simple to install and maintain
  • Low operational costs
  • No carrier gas or instrument fuel gas required
Linear across measurement range
  • Linear response across the full measurement scale
Precision and accuracy
  • Accurate and reproducible results in under 5 seconds for
    combustion control to a PLC
Flow-through sensor design
  • No sensitivity to pressure & flow variations
  • Minimized potential sampling issues
Small footprint, outdoor rated
  • Extractive process mounted – replace GC installation
  • Process control to DCS via real-time Modbus output
  • NEMA 4X, CSA Class1Div2, ATEX Zone2, IP66 rated
Attribute Specification
Measurement ranges *
  • Methane: 0 – 100%
  • Ethane: 0 – 25%
  • Ethylene: 0 – 100%
  • iso-Butane: 0 – 10%
  • n-Butane + n-Pentane: 0 – 10%
  • iso-Pentane: 0 – 10%
  • 1-Butene: 0 – 10%
  • 1-Hexene: 0 – 10%
  • n-Hexane: 0 – 10%
  • cis-2-Butene: 0 – 10%
  • trans-2-Butene: 0 – 10%
  • balance channel reported (H2, N2, O2, CO2)
  • BTU Calorific Value – CV (computed as per ISO 6976:1995)
  • Wobbe Index – WI (computed as per ISO 6976:1995)
Precision / repeatability
  • Better than 0.1% (typically 0.05%)
Accuracy
  • 1% (absolute) or better across all channels
Update rate
  • 5 seconds (default), software selectable from 1 -120 seconds
Zero drift
  • Not to exceed 0.2% per month on each hydrocarbon channel
Sample pressure
  • 0.1 – 2 psig *
Flow rate
  • 0.1 – 1 L/min *
Certifications
  • CSA Class 1Div2, Groups A/B/C/D,T4. ATEX Zone 2, Ex nAnCIICT4Gc

* Contact Precisive for higher or custom ranges

Product Datasheet: Precisive 5-162 Flare Stack Gas Analyzer

P5-162 Datasheet
Download (PDF)

 

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