ENDA-C2000 Stack Gas Analyzer System

概要

The ENDA-C2000 Series is a lineup of units for the continuous monitoring of residual NH3 contained in emissions from ammonia dry method denitrification equipment. Measurement is highly accurate thanks to the use of a new drift-free chemiluminescent analysis (CLA) device. Used in semiconductor fabrication plants, the units are designed to provide a long life. The units are simple to use thanks to such features as an integrated analysis and operating instruments, front-panel operation, and self-diagnosis. The units are well suited for denitration catalyst inspection, controlling NH3 injection volumes, the prevention of ammonium sulfate crystal formation, facilities inspection, and process control.

特征

  • The units are equipped with a new drift-free chemiluminescent analysis (CLA) device.

  • The units are capable of a minimum range of 0ppm-10ppm for NH3 and NOx.
  • The units are equipped with a revolutionary magnetopneumatic method oxygen analysis device that works using oxygen's ordinary magnetism.
  • Front-panel operation offers enhanced ease of use.
  • Equipped with numerous functions, such as computer monitoring of analysis conditions, control, data processing, and memory, the units are simple to use and require minimal maintenance.
  • The units are fully equipped with self-diagnostic functions.
  • The units can be configured to meet the needs of a wide range of installation sites.

制造: HORIBA

規格

MEASURING COMPONENT & RANGE 

NH3

  • Standard: 20 to 100ppm
  • Optional: 10 to 20ppm or less
  • Range ratio: 10 times, max.

NOX

  • Standard: 20 to 100ppm
  • Optional: 10 to 20ppm or less
  • Range ratio: 10 times, max.

O2

  • Standard: 5 vol %
  • Range ratio: 5 times, max.

 BASIC PERFORMANCE (-5°C to 40°C) 

Ambient Temperature

-5°C to 40°C

Repeatability

±0.5 FS% (±1.0 FS% when optinal range is included)

Drift(NOx analyzer)

Zero drift: ±1.0 FS%/week

Span drift: ±2.0 FS%/week

Provided the ambient temperature

change is ±5°C

Total interference

±2.0 FS%

BASIC PERFORMANCE (40°C to 50°C)

Ambient Temperature

40°C to 50°C

Repeatability

±1.0 FS% (±2.0 FS% when optional range is included)

Drift(NOx analyzer)

Zero drift: ±2.0 FS%/week

Span drift: ±2.0 FS%/week

Provided the ambient temperature

change is ±5 °C

Total interference

±3.0 FS%

SYSTEM SPECIFICATION 

Response speed

Td + T90 = 90 scc. Max. from analyzer inlet

Td + T90 = 70 scc. Max. from calibration gas inlet

Supply voltage

AC 100 V ± 15% (85 V–115 V)

Power ferquency

47.5 Hz–63.0 Hz (common frequency)

Sampling method

Dehumidified sampling at 2.5 °C (2 staged electronic clling unit, depressurized sampling)

Sample gas flow

1.5 L/min for each line

Power consumption

1.9 kVA, Separate 600 VA for cold district specification

Analog output

1–3 systems selected in combination of any one of DC4–20 mA/0–16 mA/1–5V and DC 0–1 V. lsolation type

Stadus signals

Analyzer error, calibraion error, power failure (or NFB tripped), range indication, calibraiing, under maintenance, upper/lower limit alam (optional), purging(optional), contact capacity DC 125 V, 1A, AC 250 V, 1A resistance load

OUtside demensions

(W) 1000 mm × (H) 1800 mm × (D) 1050 mm

Mass

Approx. 500 kg (gas cylinder excluded)

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