Single and Dual Channel Moisture Measurement - Promet EExd
Promet EExd is certified as flameproof for use in IEC Zone 1 and 2/NEC Class 1 Div1. Promet EExd offers single and dual channel moisture measurement, with integrated electronic pressure reading, within a single field-installed flameproof housing. User interface is provided through the bright vacuum fluorescent display and touch screen controls
• EExd Flameproof ATEX and CSA certified
• Complete Zone 1 or 2 installation
• Low wattage AC supply only utility requirement
• Single- or dual-channel measurement
• Calibration traceable to NPL (UK) and NIST (USA)
• Field adjustment maintenance by user adjustment or unique sensor exchange service
• Range -120 to +30°C dew point, 0.001 to 30,000 ppmV
• Moisture content units in ppmV, mg/Nm-³, Lb/mmscf
• Integrated electronic pressure measurement
• Modbus RTU and 4-20 mA linear signals
• Process and instrument status volt-free alarm contacts
• Remote global access options
• Touch screen control
Natural Gas & Petrochemicals
| Technical Details | |
| Main Unit | |
| Channel Configurations | Single or two channel |
| Moisture Parameters | Dew point °C & °F |
| Moisture Content | Automatic pressure compensated conversions: ppmv for natural gas and ideal gas Lbmmscf and mg-m-3 for natural gas Dew point at a pressure input by the user for natural gas and ideal gas Calculations for natural gas moisture content based on either IS0 18453 or IGT#8 to customer order preference |
| Analysis Pressure | Barg, MPa and psig |
| Sensor Technology | Michell Ceramic Moisture Sensor |
| Measurement Range | -120ºC dp to +30ºC dp. 1 ppbV to 30,000 ppmv 0 to 250 Barg |
| Calibration Range | -100ºC dp to +20ºC dp. 10 ppbV to 23,000 ppmv |
| Accuracy | Dew point: ±1°C between –59.9 & +20°C dp Moisture content: ±10 % of reading Dew point: ±2°C between –60 & -100°C dp Moisture content: ±20 % of reading Analysis Pressure: ±0.25 % FS |
| Measured Resolution | 0.1°C: –80 to +20°C dp 1°C: –100 to -80°C dp |
| Displayed Resolution | Dew point: 0.1°C Moisture content: autoscale, 5 digits MPa and Barg: 0.1, psig: 1.0 |
| Temperature coefficient | Algorithm compensation |
| HMI | |
| Keyboard Interface Display | Capacitive touch-screen through glass window Vacuum flourescent |
| Data Logging | A rolling maximum of 150 data logs is available. Each log records time, date, moisture and pressure values for each channel. 5 minutes minimum and 60 minutes maximum logging intervals can be set by the user |
| Communications & Output | Two non-isolated 4-20 mA per measurement channel. 500 Ω maximum load. Range and parameter settable by user. Modbus RTU @ 9600 baud-rate Alarms: two volt free contacts per channel; one process value and one instrument status. Also available via Modbus communications |
| Main Unit Enclosure | Internal temperature control for condensation protection and stable analysis conditions |
| Type | Flameproof EExd |
| Construction | Cast copper free aluminium |
| Finish | Chromate primer,Polyester P9010 powder coated (black). Meets BS3900 |
| Operating Pressure | Max. 206 Barg |
| Sample Gas Connections | ¼” NPT (female) |
| Sample Flow Rate | 0.5 to 5.0 litres per min. |
| Sample flow alarm | Optional |
| Power Supply | 90 – 264Vac 47 to 63Hz, 110 to 300 Vdc, 180W |
| Operating environment | Indoor/Outdoor -20°C to +60°C Max 95 % rh. Shaded location |
| Hazadous Area Certification | |
| ATEX Certification | II 2 G |
| Code | EEx d IIB + H2 T4 (135°C) IP66 Tamb -40 to +60°C |
| Certificate number | TRL06ATEX21093X |
| cCSAus approved | Div 1, Class 1, Group B,C,D |
| Certificate number | 1722693 |
| Remote Interface | |
| Optional, for Indoor Safe Up to 31 Michell EExd Process Area Installation Host |
Instrumentation Range analyzers in any capacity combination of models via Modcus |
| Optional, for Indoor Safe Area Installation Host Capacity | Up to 31 Michell Process Instrumentation Range analyzers in any combination of models via Modcus |
| Display | Backlit color 15 cm/6” LCD |
| User Interface | Integral mouse, on-screen keyboard |
| Function | View and modify analyzer operating settings. Record parameters to file and view virtual chart recorder Analyzer diagnostics |
| Data Download | CSV (comma separated variable) format for easy import to ExcelTM |
| Remote Access | OPC (OLE for Process Control) over a LAN Imbedded web page/unique IP address for PC access |
| Power Supply | 100-280V, 50/60Hz |
| Note: Specification are subject to change without notice. | |
| Download Catalog | |
| Promet EExd |  |
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For all inquiries, you may contact us through Telephone, Email or Live Chat Support.
Operating Hours
Monday to Friday: 8.00am to 5.30pm
Technical Support (After Office Hour)
Tel: (65) 9876 6258
Contact Informations
| By Phone / Fax | By Email | By Live Chat | |
| Tel: (65) 6553 0366 Fax: (65) 6553 0828 |
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