
9
Combustion Analyzers
ECA 450
• Industrial grade analyzer for both combustion efciency and emissions analysis
• Generates and prints combustion efciency and emissions reports
• Supports modular, eld-replaceable, sensors for O
2
, NO, NO
2
, SO
2
, CO and HC
• Expandable - add or change sensors as your requirements change
• Optional sensor upgrade kits available: CO (4,001
-
80,000 ppm) or HC (0
-
5%)
• Ideal for sampling and monitoring furnaces, boilers and other industrial
combustion equipment
• Comes standard in hard case, 12” sample probe assembly with
15' of hose and built-in printer; optional sample/condition probe.
The ECA 450, an industrial grade combustion efciency and environmental analyzer
compliant with EPA and state regulations, conducts accurate combustion and
emissions tests to ensure that industrial equipment is burning efciently and
environmental regulations are being met.
MEASUREMENT RANGE
Primary/Ambient Air Temperature –4° to 999° F (-20 to 537˚C)
Stack Temperature –4° to 2400° F (-20 to 1316˚C)
Draft / Differential -27.7 to +27.7 in. of H
2
0
Oxygen (O
2
) 0.0 to 20.9%
Carbon Monoxide (CO) (H
2
comp) 0 to 4,000 ppm
Carbon Monoxide (CO) (High Range)* 4,001 to 80,000 ppm
Nitric Oxide (NO)* 0 to 3,500 ppm
Nitrogen Dioxide (NO
2
)* 0 to 500 ppm
Sulfur Dioxide (SO
2
)* 0 to 4,000 ppm
Combustible Gases (HC)* 0 to 5.00% (application dependent)
SELECTABLE FUELS
Natural Gas, Propane, Coal, Wood, Kerosene, Oil #2, Oil #4, Oil #5,
Oil #6, Bagasse
CALCULATED RANGES RANGE
Combustion Efciency 0.1 to 100.0%
Excess Air 0 to 250%
Carbon Dioxide (dry basis) 0 to fuel dependent maximum
NO
x
(NO
x
= NO + NO
2
) 0 to 4,000 ppm
NO
x
referenced to % O
2
0 to 17,000 ppm
CO referenced to % O
2
0 to 99,999 ppm
NO referenced to % O
2
0 to 14,900 ppm
NO
2
referenced to % O
2
0 to 2,100 ppm
SO
2
referenced to % O
2
0 to 17,000 ppm
ORDERING INFORMATION
0024-7221 ECA 450 Base Unit (O
2
, CO, Ts, Ta, DP)
0024-8400 ECA 450 with NO / NO
2
sensors and compact sample
conditioner
0024-8401 ECA 450 with NO, NO
2
and SO
2
sensors and
compact sample conditioner
OPTIONAL ACCESSORIES
0024-3024 24” Probe Assembly
0024-3025 36” Probe Assembly
0024-7224 Compact Sample Conditioner/Probe
0024-3035 24” High Temperature Probe Assembly
0024-3036 36” High Temperature Probe Assembly
0024-3037 48” High Temperature Probe Assembly
0024-1124 20 Ft. Hose Extension with sample, draft and
thermocouple lines
0024-1172 Water Trap/Filter Assembly (for Probe Assemblies)
0007-1644 Replacement Filters for Water Trap (pkg of 3)
0007-1646 Replacement Filters for Compact Sample Conditioner/Probe
(pack of 5)
0007-1647 Replacement Filter for Peltier Cooler
0104-4027 Serial Cable DB 9M to DB 9F
0024-3150 High Temperature / High Dust Filter
0024-0980 Printer Paper (5 rolls)
OPTIONAL SENSOR UPGRADE KITS *
0024-3026 CO Sensor (4,001 to 80,000 ppm)
0024-3027 NO Sensor (0 to 3,500 ppm)
0024-3029 NO
2
Sensor (0 to 5,000 ppm)
0024-3030 SO
2
Sensor (0 to 4,000 ppm) - requires NO
2
Sensor to be
purchased
0024-3028 Combustible
Sensor (0 to 5%) - Oxygen dependent
OTHER SPECIFICATIONS
Power Universal AC adapter and an internal battery
pack. Adapter will accept input voltages
from 100 to 240V. Fully charged battery pack
provides a minimum of 8 hrs of operation
Size 13.5” H x 18.5” W x 9” D
(34.3 cm x 47 cm x 22.9 cm)
Weight 25 lbs (11.34 kg)
Memory Stores 1,900 test records
Display 160 x 160 pixels (2.5 in. x 2.5 in.) Liquid Crystal
Display
Warranty 1 year (does not include probe)
* Optional
*Factory installation required
Two pumps are included. The rst pump supplies gas sample to the
sensors. The second pump supplies fresh air to purge the low range CO
sensor when CO levels exceed 4000 ppm. Probe includes a standard
probe and hose assembly equipped with a water trap, particulate lter,
probe stop, 15 feet of hose and 12-inch probe tube.
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