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Instruction Manual
748467-A
January 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-21
Model MicroCEM
1-13 MicroCEM SPECIFICATIONS
a. Analyzer
Power ............................................ Universal Power Supply 85 – 264 VAC, 50 – 60 Hz, + 10%, 500
Watts Maximum at Start Up. 250 Watts Nominal
Microprocessor.............................. Intel Pentium processor, 266MHz, 64MB RAM, PC/104 architec-
ture, Windows NT embedded Platform
Pocket PC...................................... 133MHz, 21 bit Hitachi SH3 processor, 32MB RAM 16MB ROM,
240 X 320 pixels LCD, Riuch color, backlit, Wireless LAN optional
Detectors//Number ........................ NDIR, Paramagnetic, Electrochemical, Chemiluminescense// Up to
three in one analyzer
Mounting........................................ Wall Mount
Area Classification......................... General Purpose / NEMA 4X (IP65) Fiberglass Enclosure
Ambient Range
Temperature ......................... -30° to 50° Celsius.
Relative Humidity................... 5 to 99%
Inputs/Outputs
Digital..................................... RS-485 Serial Port. (Multi-Drop Network)
RS-232 Serial Port.
LAN, Ethernet 10/100-BaseT
Modem.
Connectivity Protocols........... HTML (Web Browser) – Status, file transfer Modem/Webrowser
TCP/IP..Modbus (In Process)
Foundation Fieldbus (In Process)
Analog Current Outputs......... 3 Isolated 4-20 mA DC, 500 ohms Max Load (O
2
, CO, NO
X
)
Analog Inputs:MW, Fuel Flow
Digital OutputsTrouble Alarm, Sample Pump on/off, Drain Pump
on/off, Purge on/off, Calibrate on/off – 110VAC @ 1amp Dry Con-
tact
O
2
Limit Exceed, CO Limit Exceed, NOx Limit Exceed, O
2
Low
Range, CO Low Range, NO
X
Low Range. - TTL: 5 VDC Max Cur-
rent 20 mA
Digital Inputs.......................... Process on/off, Initiate Auto Calibration
Instrument Weight ......................... 62 lbs. Typical
Dimensions.................................... 24“ x 20“ x 12“ (HxWxD)
Ranges .......................................... O
2
: 0 –25%
CO: 0 –100ppm Selectable to 1000ppm
NO
X
: 0 – 10ppm Selectable to 1000ppm
Sample Temperature..................... 0° C to 55° C
Sample Flow Rate......................... .5 to 1.5 liters/min
Warm Up Time .............................. Max 25 minutes @ low ambient temperatures