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 |
| 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 and +20°Cdp
Moisture content: ±10% of reading
Dew point: ±2°C between –60 and -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 |
| Operating Pressure |
50 Barg (max) |
| Sample Flow |
Up to 1 l/min (0.1 - 0.2)
recommended |
| HMI |
| Keypad Interface |
Capacitive touch-screen through
glass |
| Display |
Vacuum flourescent |
| Data Logging |
A rolling maximum of 150 datalogs are available
Each log records time, date, moisture and temperature values for each channel
5 minute minimum and 60 minute 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/NEMA4) |
| Finish |
Chromate primer, Polyester P9010 powder
coated (black)
Meets BS3900 |
| General |
| Sample Connections |
1/4” NPT (female) |
| Weight |
22.5 kg |
| 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 |
Remote Interface
Optional for indoor safe area installation
|
| Host Capacity |
Up to 31 Michell EExd Process
Area Installation Instrumentation Range Analyzers in any combination of models via Modbus (Optional) |
| Display |
Backlit color 15cm LCD |
| User Interface |
Integral mouse, on-screen keyboard |
| Function |
View and modify analyzer operating
settings. Record parameters to file and view virtual chart recorder and
Analyser diagnostics |
| Ports |
LAN, USB2, Modbus Re-transmisstion |
| Data Download |
CSV (comma separated variable) format
for easy import to Excel™ |
| 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 |
100-280V, 50/60Hz |
| Plant Control Integration |
ActiveX components to be used by software programmers for integration of Modbus
protocol into a general plant software system |
Hazardous Area Certification
ATEX Certification: II 2 G
Code: EEx d IIB + H2 T4 (135°C) IP66 Tamb -40 to + 60°C
CCSAUS approved: Div 1, Class 1, Group B, C, D
|
