Shanghai Tongli Instrument Co., Ltd
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    Building 9, Lane 6558, Tingwei Road, Jinshan District, Shanghai
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Petroleum liquid humidity analyzer
Cantilever beam sensor
Product details


Liquidew EExd is an explosion-proof certified continuous online measurement system for moisture content in petrochemical liquids. Liquid EExd can be installed as a whole in hazardous environments, and on-site installation or modification is very simple. After obtaining readings of water dew point temperature and liquid temperature, the moisture content is measured by Henry's Law to determine the weight ratio value (ppmW).

This instrument comes with a data table with many saturation constant data, corresponding to various petrochemical liquids, and also provides the function of user-defined saturation constant data. The sampling system that comes with the instrument is assembled at the factory according to the actual situation of the sample, so that the analyzer can be installed locally near the sampling point.




Highlights

  • EExd Explosion proof Certification ATEX and CSA
  • Installation in completely hazardous environments
  • Single channel or dual channel measurement
  • 0.001 ppmW~saturation measurement range
  • Pre set or user inputted saturation constant
  • Remote control options
Liquidew EExd

TECHNICAL INDEX

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host
channel select Single channel or dual channel
moisture content ppmW
temperature ° C and ° F
Water Dew Point ° C and ° F
Sample flow rate Status indication: low normal high (<0.1->0.3 l/min)
sensing technology Michell ceramic humidity sensor
temperature measurement Thermistor - Accuracy ± 0.2 ° C
Working pressure 50 barg (maximum)
Verification scope -100°C dp ~ +20°C dp
measuring range -120 ° C dp~+30 ° C dp (0.001 ppmW to saturation limit)
internet traffic Recommended for high 1 l/min (0.1-0.2)
accuracy the dew point: ± 1 ° C between -59.9 and+20 ° C dp
Moisture content: ± 10% of reading
the dew point: ± 2 ° C between -60 and -100 ° C dp
Moisture content: ± 20% of reading
Analyzer pressure: ±0.25% FS
resolution 0.1 ° C between+20 ° C dp and -80 ° C dp
1 ° C between -80 ° C dp and -100 ° C dp
temperature compensation Algorithm formula compensation
HMI
key Touch sensing through glass
display Vacuum Tube
data acquisition Each channel has two non isolated 4-20 mA outputs The maximum load is 500 Ω, and the parameters and range are optional for users
Modbus communication: RTU @ 9600 baud rate output
Alarm: Two voltage release contacts alarm for each channel
Alarm indications can also be viewed through Modbus communication
appearance
type EExd Explosion proof
structure Cast aluminum (IP66)
Surface Treatment Chrome plated primer, polyester fiber coating (black) Compliant with BS3900 standard
other
interface 1/4” NPT (f)
weight 22.5kg
Working power supply 85 ~ 264 V AC, 47 ~ 63 Hz, 110 ~ 300 V DC, 180 W
working condition -20 ° C~+60 ° C up to 95% RH, indoor or outdoor, shaded area
Remote interface
Installation in indoor safe areas Connect up to 31 Michell EExd process analyzers via Modbus (optional)
host Modbus
display 15cm/6 "color LCD
user interface Built in mouse, on-screen keyboard
function View and modify analyzer parameters, record parameters to a file, view virtual charts and analyzer diagnostics
port LAN, USB2
Data Download CSV (space separated recognition) format is easy to import into Excel ™
Remote connection OPC (OLE for Process Control) accesses embedded web pages/independent IP addresses via LAN for computer login
=""> power supply
100-280 V, 50/60 Hz

Dangerous Place Certification
ATEX certificate: II 2 G
code: EEx d IIB + H2 T4 (135°C) IP66 Tamb -40 ~ + 60°C
Certificate Number: TRL06ATEX21093X
CCSAUS certification: Div 1, Class 1, Group B, C, D

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