ENDA-5000 Stack Gas Analysis System

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Specifications

Model

ENDA-5000

Component

NOx

SO2

CO

CO2

O2*1

Measurement methods

NDIR

NDIR

NDIR

NDIR

Magneto-pneumatic detection

Range*2

Standard

200~5000 ppm

200~5000 ppm

200~5000 ppm

5~25 vol%

10~25 vol%

 

Optional

100 ppm~

50 ppm~

100 ppm~

-

-

Range Ratio

Within a factor of 10

Within a factor of 10

Within a factor of 10

Within a factor of 5

Within a factor of 2.5

Repeatability

Within 0.5% of full scale (with optional range, or during O2 measurement, ±1.0% of full scale)

Linearity (indicator error)

±1.0% of full scale

Zero drift

±1.0% of full scale (assuming surrounding temperature is maintained within 5 °C)
(with optional range, or O2 measurement, ±2.0% of full scale)

Span drift

±2.0% of full scale/week (assuming surrounding temperature is maintained within 5°)

Response time*3

Within 60 seconds (Td + T90 from equipment intake area) (sample flow 0.6 L/min.) (within 240 seconds for SO2 only)

Overall interference frrom co-existing gases

±2.0% of full scale/week (within standard range, with standard gas formation)

Display

Touch panel LCD (backlight) (four usable lines)

Environment
Condition

Temperature

-5 to 40 °C (away from direct sunlight and radiation heat )*4

Humidity

85% or less (no condensation)

Vibration

100 Hz, 0.3 m/S2 or less

Dust

Standard environment or better

Measuring Gas Condition

Temperature

250 °C or lower

Dust

0.1 g/Nm3 or less

Standard gas composition*5

NO: 500 ppm or less; NO2: 15 ppm or less; SO2: 1000 ppm or less; SO3: 50 ppm or less;
CO: 200 ppm or less; CO2: 15% volume or less; H2O: 40% volume or less

Sampling method

Dry sampling using an electric cooler

Sample gas flow

2.5 L/min~3.0 L/min

Sample inlet tube

Teflon tubing (Ø8/Ø6 mm)

Sample gas pressure

±4.9 kPa (three points selected)
(with no sample gas back pressure)

(1) -1.96 to 4.9 kPa
(2) ±3.43 kPa
(3) -4.9 to 1.96 kPa

 

Pressure control

Pressure control uses a regulator and cylinder; Reduced pressure sampling; Control pressure: -4.9 kPa

Output

DC 4 to 20 mA (absolute output) (DC 0 to 16 mA/DC 0 to 1 V/DC 1 to 5V optional) Max. 12 output systems

External output

Analysis alerts, analysis warnings, range display, corrections, conservation, purging (option)
Contact capacity: DC 30 V 1 A, AC 250 V 1 A resistance load

Correction method

Dry correction, automatic correction (correction cycle: 7 days standard, can be adjusted to between 1 and 99 days), manual correction

Calibration gas

Zero gas

With measurement method authorization: N2, When there is no measurement method authorization: N2 or ambient air

O2carrier gas

Ambient air

Span gas

Gas cylinder for each component measured (when there is no measurement method authorization: O2 or ambient air can be used)

Probe collection point filter

Flange: JIS 10K, 40 AFF; Sample probe tube length: 1000 mm; Material: SUS-316 stainless steel;
Filter element: SUS-304 stainless steel and 2um-pleated quartz wool; Electric heater: 100 VA, with water droplet proof case

Power supply

AC 100 V ±15 V(85 V~115 V)

Power frequency

50/60 Hz (switchable)

Power consumption

About 800 VA (heated piping 30m: +1100 VA; heater in tray: +300 VA)

Exterior dimensions/Mass

600 (W) x 1770 (H) x 300 (D) mm (high pressure gas cylinders, 3.4 L cylinders, maximum of 3 cylinders); About 180 kg (not including cylinders)
600 (W) x 1770 (H) x 300 (D) mm (high pressure gas cylinders, 3.4 L cylinders, maximum of 3 cylinders); About 200 kg (not including cylinders)

Materials in contract with sample gas

SUS-316 stainless steel, SUS-304 stainless steel, Teflon, polypropylene, polyethylene,
flourorubber, PVC, PVDF, and glass

Enclosure

Independent outdoor installation
Plate thickness: Main unit, doors, top plate, steel plate: 2.3 mm; Channel base: 3.2 mm; Doors: front opening; Interface: right front

Color/Finish

Semi-gloss Munsell 5Y7/1 on all inner and outer surfaces

*1: No carrier gas cylinder is required.

*2: Up to two ranges are supported for each component.

*3: Response time may vary depending on the sampling system composition.

*4: Support is available for -15 to 40 °C (cold-climate version) and 5 to 50 °C.

*5: An NH3 scrubber is available as an option for cases where a combined gas includes NH3. SO2 measurement corrected for CH4 interference is available for cases where there is CH4 in the sample gas for SO2 measurement. CO measurement corrected for N2O interference is available for cases where there is N2O in the sample gas for CO measurement.

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