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Assurance of the most widely accepted automatic hydrocarbon dew point analyzer together w/ the latest development of spectroscopic moisture measurement techniques
Combined Hydrocarbon Dew Point and Moisture Analyzer for Natural Gas Transmission Pipeline Quality.
Hydrocarbon dew point (HCDP) and moisture are key quality parameters to ensure the quality of pipeline transmission gas. With the combined Condumax II and OptiPEAK TDL600 analyzer system pipeline operators have the assurance of the most widely accepted automatic hydrocarbon dew point analyzer together with the latest development of spectroscopic moisture measurement techniques in a single, convenient analyzer system.
MOISTURE
• Measurement range: 1ppmV to 1000ppmV
• Measurement technology: Tuneable Diode Laser Spectroscopy
• Latest generation of TDLAS – moisture measurements are independent to changes in background gas composition
• Class-leading accuracy ±1ppmV even with widely varying gas compositions
HYDROCARBON DEW POINT
• HCDP measurement range: up to ∆ 55K measurement depression from main unit operating temperature
• HCDP measurement technology: direct photo-detection of hydrocarbon condensate
• Largest installation fleet across six continents
GENERAL
• Low maintenance
• Easy to install with a small footprint
SPECIFICATIONS FOR CONDUMAX II | |
Hydrocarbon Dew-Point Measurement | |
Measuring Technique | Dark SpotTM fixed sample analysis. Direct photo-detection of hydrocarbon condensate at hydrocarbon dew-point temperature |
Sensor Cooling | Automatic via 3-stage Peltier effect electronic cooler under adaptive control |
Maximum Range | Up to Δ -55K measurement depression from Main Unit operating temperature |
Accuracy | ±0.5°C hydrocarbon dew point (single and multiple condensible component analysis) |
Sample Flow | 0.03m³/hr (0.5 Nl/min) - alarm standard |
Measurement Frequency | 6 cycles/hour (recommended) 12 cycles/hour (maximum) |
Operating Pressure | Max. 100 barg (1450 psig) |
Water Dew-Point Measurement (Optional) | |
Measuring Technique | Michell Ceramic Moisture Sensor |
Units - Moisture Content | °C and °F water dew point; lb/MMscf; mg/m3, ppmV |
Resolution | 0.1°C, 0.1°F |
Range | Calibrated from -100 to +20°C dew point |
Accuracy | ±1°C from -59 to +20°C dew point ±2°C from -100 to -60°C dew point |
Sample Flow | 0.06 to 0.3 m3/hr (1 to 5 Nl/min) alarm standard |
Temperature Coefficient | Algorithm compensation (-20 to +50°C) |
Operating Pressure | Max. 138 barg (2000 psig) |
Range | HC dew point: 0 to 100 barg W dew point: 0 to 200 barg |
Accuracy | ±0.25% FS |
Hydrocarbon Dew-Point Analyzer | |
Resolution | Hydrocarbon and water dew point: 0.1°C |
Sample Gas Supply | Natural gas up to 100 barg, pressure regulated in sampling system |
Enclosure | EExd cast enclosure with removable glass window viewing port. Internally heated for condensation |
Sample Gas Connections | 1/8” NPT (ATEX / IECEx) or 1/4” NPT (CSA) female ports for both hydrocarbon and water dew-point |
Operating Environment | Indoors/Outdoors -20 to +50°C; Max 95% RH |
Power Supply | 90 to 260 V AC, 50/60 Hz, 125 W Main Unit 300 W c/w Sampling System (indoor) |
Weight | 22.5kg Main Unit 60kg (approx) c/w Sampling System (indoor) |
Integrated Display/Keyboard | Touch screen with vacuum fluorescent display |
Outputs | Modbus RTU, RS485 @ 9600 baud rate Two 4-20 mA linear (non-isolated) outputs, user-configurable for any combination of dew-point or pressure parameters |
Alarms | Process and analyzer status via software register and display annotation |
Certification | |
Hazardous Area Certification | ATEX: II 2G Ex d IIB + H2 Gb (-40°C to +44°C) T6 (-40°C to +59°C) T5 IECEx: Ex d IIB + H2 Gb (-40°C to +44°C) T6 (-40°C to +59°C) T5 cCSAus: Class I, Division 1, Groups B, C and D, T6 (Tamb= -40°C to +44°C) T5 (Tamb= -40°C to +59°C) |
Pattern Approval | GOST-R, GOST-K, GOST-T |
SPECIFICATIONS FOR TDL600 | |
Technical Specification | |
Measuring Technique | TDLAS |
Measurement Range | 1 ppmV to 1000ppmV |
Accuracy | ±1% of reading > 100ppmV ±1ppmV < 100ppmV |
Repeatability | <1ppmV (long term stability <0.1ppmV/year) |
Limit of Detection | 1ppmV |
Available Units | ppmV, lb/MMSCF, mg/Nm3, dew point °C or °F (ISO18453 or IGT#8) |
Response Speed | Optical response 0.2s Display update 2-3s |
Environmental Conditions | Indoor version: –10°C to +45°C Outdoor version:* –20°C to +45°C Outdoor with cooling option:* –20°C to +55°C |
Electrical Specifications | |
Supply Voltage | 110 V AC or 230 V AC 50/60Hz |
Power Requirements | Indoor version: 80W Outdoor version: 180W |
Analog Signals | Input: 2 x 4-20 mA user configurable Output: 3 x 4-20 mA,3 alarms 250 V AC, 3A (volt-free contacts) |
Digital Communications | RS485 ModBus RTU |
Data Logging | Logs all process variables with a user selectable sample period in the range 10s to 1 day |
Local Interface | 4.3” color LCD with touch pad operation |
Electrical Connections | 3 x M20 entries for cable glands |
Calibration | |
Factory Method | 3-point, traceable to NPL and NIST |
Recommended Calibration | None required, dependant on user or quality system requirements |
Physical Specifications | |
Sample Flow Rate | 1 Nl/min cell sample, 1 to 5 Nl/min sample filter by-pass |
Inlet Pressure | Maximum 100 barg (1450 psig) |
Outlet Pressure | Cell vent 0.7 to 1.4 bara, Filter by-pass maximum 3 barg |
Enclosure Type/ Packaging | Aluminium alloy, explosion proof, polyester coated, IP66, NEMA4 |
Gas Connections | 1/4” NPT(F) |
Weight | 40kg (88lbs) (without sampling system) |
Sample System Enclosure | 304L or 316L stainless steel |
Hazardous Area Certification | ATEX: II 2 G Ex d ib op is IIC T5 Gb IECEx: Ex d ib op is IIC T5 Gb Tamb –20°C to +60°C cQPSus: Class I, Division 1, Groups A, B, C, D, T5, Tamb –20°C to +60°C, IP66 TC TR Ex: 1 Ex d ib op is IIC T5 Gb |
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