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Measurement Temperature (Flue gas)
0-200? C (up to 400? C with high temperature probe)
Measurement Units
Vpm (% for CO2 and H2 O); mg/m3; ?mg/Nm3
Display
Via pc running SmartCOM software; real-time measurements; operating
parameters; diagnostic information; set-up menus
Outputs
Analogue One for each main measurement channel
(located in SCU) (channels 1 to 7) 0/4-20mA isolated 500 max.
Load; fully configurable in measurement units (vpm or %, mg/m3;
mg/Nm3), and span
Logic (Located in SCU)
Inputs
Analogue Three 4-20mA inputs for normalizing
measurements; ±200V DC common mode voltage range (three
of these inputs incorporate isolated 24V DC supplies to power
loop-powered 2 or 3-wire transducers)
Serial Port For connection to bi-directional
4-wire data bus (located in Station terminating at the CDC when
installed as part Control unit) of an integrated emission monitoring
(IEM) system
Ambient Temperature All units are designed
to operate in ambient temperatures of -20?C to +50C; Extreme
climatic conditions may require further Protection
Enclosures All units are sealed to IP65 (NEMA
4) standards and are suitable for outdoor installation
Power Requirements Power Supply Unit-85-264V
AC- 47-62Hz - 200VA
Purge Gas Requirements Compressed air/N2 Clean
and dry to –20 C; Normal operation 5 l/min; Calibration
(10 minutes) 10 l/min
Dimensions
Transceiver and probe
Overall length 2450mm
Widest diameter 350mm
Probe length 2150mm
Transceiver Length 300mm
Transceiver diameter 350mm
Probe weight 68kg
Transceiver weight 28kg
Gas Control Unit
W800mm x H1000mm x D200mm
Weight 100kg
CDC
W300mm x H250mm x D315mm
Weight 26kg
Junction Box
W160mm x H160mm x D90mm
Weight 2kg
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The G-CEM4000 is a multi-channel analyzer using Non-Dispersive
Infrared Absorption (NDIR) technology. It provides high accuracy
and low maintenance measurements of CO, CO2, NO, NO2, SO2, HCl,
& H2O. Its performance can be verified automatically or
manually on demand by injection of zero and span protocol gases
into the probe sample chamber
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- Multiple
gases in one probe (up to 6 max)
- No
sampling system required
- Insitu
calibration verification
- Fully
compliant to 40CFR60 and 75
- Remote
MODEM/Web access
- Automatic
daily calibrations and quarterly audits
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| Low
cost NDIR insitu online continuous monitoring for 6 gases in
one probe, two insertion lengths
Simple installation
with only TWO modules, insitu probe flange mounted and Signal
Processor, both NEMA 4X rated
Most suitable for
EPA compliance emissions monitoring as well as closed loop
online insitu process control with 10 secs response time
Heated
probe available for wet applications
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Summary Specification
Measurements
Main measurement channels (1-7)
Any combination of up to seven gases from
CO/CO2 /NO/NO2 /SO2 /HCl/UHC/H2O
Measurement Limits (maximum)
CO/NO/NO2 /HCl/UHC 3000 vpm; SO2 25000 vpm; CO2 /H2 O 25%
Measurement Spans
CO/NO/NO2 /SO2 /HCl/UHC selectable upto
9,999vpm; CO2 /H2 O selectable up to 99%
Note that although very low spans can be configured, this should
not be done without consideration of the measurement uncertainty.
Measurement Uncertainty
CO2 0.2%; H2O ?0.2%; other gases 10vpm or ±2% of measurement
(whichever is the greater)
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