On-line Continuous Moisture Measurement - Liquidew EExd

Liquidew EExd is a purpose designed, flameproof certified solution to on-line continuous moisture measurement for petrochemical liquid applications. Liquidew EExd is wholly installed in the hazardous area, so simplifying site installation and retrofits. Moisture content is determined in part per million by weight (ppmW) through Henry's Law from the measured water dew-point temperature and liquid temperature.

The instrument uses an extensive list of saturation concentration data pre-programmed for a variety of petrochemical liquids, with provision for easy entry of 'custom' characteristics data by the user

• Features / Benefits
• Applications
• Specifications
• Downloads
• Enquiry

• EExd flameproof certified-ATEX and CSA

• 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

Natural Gas & Petrochemicals

Technical Details
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->0.3 l/min)
Sensor Technology Temperature Measurement	Michell Ceramic Moisture Sensor Thermistor-accuracy ±0.2°C
Operating Pressure	50 Barg (max)
Calibration Range	-100°C dp to +20°C dp
Measurement Range	-120°C dp to +30°C dp (0.001 ppmW to saturation)
Sample Flow	Up to 1 l/min (0.1-0.2) recommended
Accuracy	Dew point ±1°C between –59.9 and +20°C dp
Resolution	0.1°C between +20°C dp and -80°C dp 1°C between -80°C dp and -100°C dp
Temperature Coefficient	Algorithm compensation
HMI
Keypad Interface	Capacitive touch-screen through glass
Display	Vacuum flourescent
Data Logging	Two non-isolated 4-20 mA per measurement channel. 500 Ω maximum load. Parameter and range selectable by the user
Communications and Output	Modbus: RTU @ 9600 baud-rate output Two volt-free contacts per channel; one for process value Alarm status also available via Modbus communications
Enclosure
Type	Flameproof EExd
Construction	Cast copper free aluminium (IP66)
Finish	Chromate primer, Polyester P9010 powder coated (black) Meets BS3900
General
Sample	Connections 1/4” NPT (female)
Weight	22.5kg
Operating Supply Voltage	85 to 264 VAC, 47 to 63 Hz, 110 to 300 VDC, 180 W
Operating Environment	-20°C to +60°C up to 95% RH, Indoor or Outdoor, shaded location
Remote Interface	Indoor Safe Area Installation
Optional, for Indoor Safe Area Installation Host Capacity	Up to 31 Michell EExd Process Instrumentation Range analyzers in any combination of models via Modbus
Host Capacity	Up to 31 Michell EExd Process Instrumentation Range analyzers in any combination of models via Modbus (Optional)
Display	Backlit color 15cm / 6” LCD
User Interface	User Interface
Function	View and modify analyzer operating settings. Record parameters to file and view virtual chart recorder and Analyzer diagnostics
Ports	LAN, USB2 , Modbus Re-Transmission
Remote Access	OPC (OLE for Process Control) over a LAN Imbedded web page/unique IP address for PC access. Remote data reading via modbus RTU.
Power Supply	100-280 V, 50/60 Hz
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
Note: Specification are subject to change without notice.

Download Catalog	PDF
Liquidew EExd

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	This e-mail address is being protected from spambots. You need JavaScript enabled to view it