Hidrokarbon Çiy Noktası Ölçüm
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| Measuring Technique |
DARK SPOT™ 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 55°C measurement depression from main unit operating temperature |
| Resolution |
0.1°C, 0.1°F
|
Accuracy
|
±0.5°C hydrocarbon dew point
(single and multiple condensible component analysis) |
| Sample Flow |
0.03 to 0.06m³/hr (0.5 to 1.0 Nl/min) - low alarm standard
|
Measurement Frequency
|
6 cycles/hour (recommended)
12 cycles/hour (maximum) |
Su Çiy Noktası Ölçüm
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Measuring Technique
|
Michell Ceramic Moisture Sensor |
| Unit Selection |
Dew Point: °C and °F water dew point
Moisture Content: lb/MMscf; mg/m³, ppmV
(conversion method IGT#8 or ISO18453) |
Resolution
|
0.1°C, 0.1°F
0.1 lbs/MMscf, 1 mg/m³ ppmV |
| Range |
Calibrated from -100 to +20°Cdp |
Accuracy
|
±1°C from -59 to +20°Cdp
±2°C from -100 to -60°Cdp |
Basınç Ölçümü
Hidrokarbon Çiy Noktası Basınç Analizi
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| Units |
MPa, barg, psig |
| Resolution |
0.1 MPa and barg, 1 psig |
Accuracy
|
Hydrocarbon Dew Point: ±0.25 barg
Water Dew Point: ±0.5 barg
|
Hidrokarbon ve Su Çiy Noktası Analizörü
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Sample Gas Supply
|
Natural gas up to 100 barg, pressure regulated in sampling system |
| Enclosure |
Travel case is stainless steel 316 material construction with removable lid for access and rubber feet for transportation/ operation
Instrument is EExd cast enclosure with removable viewing port: internally heated for condensation protection |
| Gas Connections |
Sample inlet, filter by-pass outlet, system drain
Sample system for: 1/4” NPT female ports, Quick connect Minimess® hoses
Process connections: 1/4” NTP male |
| Operating Environment |
Indoors/Outdoors 0 to +40°C; Max 95% RH* |
Power Supply
|
110 or 230 V AC, 50/60 Hz, 300 W |
| Weight |
60kg (approx) |
Logged Data
|
150 data logs, sufficient for minimum 24 hour period (stored in volatile memory);
Each Log: HC dew point and analysis pressure, water dew point and process line pressure
Visual Review: HMI display with automatic statistical analysis; maximum, minimum, average values for duration of log period |
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;
Additional connection junction box required externally
|
| Alarms |
Process and analyzer status via software register and display annotation. Integrated low flow alarms for each sample flow Analyzer status fault flag 23 mA on mA output 1;
Comprehensive analyzer status messages appear on HMI display;
Additional connection junction box required externally |
Sertifikasyon
|
Hazardous Area Certification
|
ATEX II 2 G EExd IIB + H2 T4 Tamb = -40 to +60°C
CCSAUS certified to Class I, Div 1, Groups B, C & D, T4 |
*To assure correct measurement performance of this system in outdoor field use, the ambient air temperature must be at least 5°C above both the hydrocarbon dew-point temperature of the process gas sample at the cricondentherm condition, typically 27 barg, and water dew-point at full process line pressure.
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