LQD-MON/SYS LIQUIDEW EExd Moisture in Liquid Analyzer
Applies a robust sensor technology to provide direct, accurate, on-line measurements for moisture dissolved in process liquids
The Liquidew EExd offers complete trace moisture measurement, applying a robust sensor technology to provide direct, accurate, on-line measurements for moisture dissolved in process liquids. Purpose designed explosion-proof analyzer provides single-or dual-channel measurements, convenient display interface and easy installation for new projects and retrofits to existing plants.
• EExd flameproof certified - IECEx, ATEX, CCSAUS and TC TR Ex
• Complete hazardous area installation
• Single or dual-channel measurements
• 0.001 ppmW to saturation range capacity
• Pre-programmed and user-entered saturation concentration values
• Remote global access options
| Main Unit Measurement Parameters | |
| Channel Configuration | Single and dual channel |
| Moisture Content | ppmw |
| Temperature | °C and °F |
| Water Dew Point | °C and °F |
| Sample Flow Rate | Status indication: Low-Good-High (<0.1 to >0.3 l/min) |
| Sensor Technology | |
| Moisture Sensor Technology | Michell Ceramic Moisture Sensor |
| Calibration Range | -100 to +20°Cdp |
| Measurement Range | -120 to +30°Cdp (0.001 ppmw to saturation) |
| Accuracy | Dew point: ±1°C between -59.9 & +20°Cdp Moisture content: ±10% of reading Dew point: ±2°C between -60 & -100°Cdp Moisture content: ±20% of reading Analysis temperature: Accuracy ±0.2°C |
| Resolution | 0.1°C between +20 and -80°Cdp 1°C between -80 and -100°Cdp |
| Temperature Coefficient | Algorithm compensation (-20 to +50°C) |
| Operating Pressure | Max. 50 barg (725 psig) |
| Sample Flow | Up to 1 l/min (0.1 - 0.2 l/min recommended) |
| HMI | |
| Keypad/Interface | Capacitive touch-screen through glass |
| Display | Vacuum fluorescent |
| Data Logging | A rolling maximum of 150 data logs is available Each log records time, date, moisture and temperature values for each channel 5 minutes minimum and 60 minutes maximum logging intervals can be set by the user |
| Communications and 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 |
| Enclosure | |
| Type | Flameproof EExd |
| Construction | Cast copper-free aluminium (IP66/NEMA 4) |
| Finish | Chromate primer, Polyester P9010 powder coated (black). Meets BS3900 |
| General | |
| Sample Connections | 1/8” NPT (ATEX / IECEx) or 1/4” NPT (CSA)(female) |
| Weight | 22.5kg |
| Operating Supply Voltage | 90 to 260 V AC, 50/60 Hz, 180 W Main Unit |
| Operating Environment | -20 to +60°C up to 95% RH Indoor or Outdoor, shaded location |
| Certification | |
| Hazardous Area Certification | ATEX: II 2G Ex d IIB + H2 Gb T5 (-40°C to 44°C) T4 (-40°C to +60°C) IECEx:IECEx Ex d IIB + H2 Gb T5 (-40°C to +44°C) T4 (-40°C to +60°C) cSAus: Class I, Division 1, Group B, C, D, T4 Tamb -40°C to +60°C *TC TR: TC TR Ex 1Ex d IIB + H2 T4, T3 Gb (-40°C to +60°C) |
| Pattern Approval | GOST-R, GOST-K |
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