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Instruction Manual
760000-C
November 2002
1-5 SPECIFICATIONS
a.
General
Measurement Species:.................. NO, NOx
Ranges: ......................................... 0 to 10 ppm through 0 to 10,000 ppm NO, NOx
Repeatability:................................. ±0.5% of fullscale (at constant temperature)
Min. Detectable Level:................... 0.1 ppm
Noise: ............................................ <1% of fullscale, peak to peak
Linearity: ........................................ ±1% of fullscale
Response Time: ............................ <1 sec. for 90% of fullscale for ranges of 25 ppm or greater
....................................................... <3 sec. for 90% of fullscale for ranges of less than 25 ppm
t90 Response ................................ 1-2 sec.
Zero Drift: (at constant temperature) <±1% of fullscale/24 hours, <±2% of fullscale/week
Span Drift: (at constant temperature) <±1% of fullscale/24 hours, <±3% of fullscale/week
Effect of Temperature:................... <2% of fullscale (over any 10°C ambient temperature variation
Ambient Temperature:................... 0°C to 45°C (32°F to 113°F)
Power Requirements:.................... 24V DC 120W
b.
Physical
Case Classification:....................... General purpose for installation in weather-protected area
Dimensions:................................... See Figure 2-5.
Weight: .......................................... 8.1 kg (18 lbs.)
Mounting:....................................... Inside a Platform or custom-installed in a panel
Max. Length of LON Cable:........... 1600m (1 mile) between Analyzer Module and Platform
c.
Sample
Temperature: ................................ 0°C to 45°C (32°F to 131°F)
Total Flow Rate: .......................... (Externally measured) 900 to 2200 cc/min. with backpressure
Particles: ...................................... Filtered to <2 microns
Dewpoint: ..................................... 5.5°C below ambient temperature, no entrained liquid
Materials in contact with Sample:.. Stainless steel, Teflon, glass, brass and neoprene
Optional: ..................... Stainless steel, Teflon, glass and Kynar
Ozonator Gas: ............................... Clean, dry air or oxygen; flow rate: 1 L/min. maximum; pressure:
d.
Gas Connections
Ozone Air:...................................... 1/4" O.D. tube fitting, brass
Exhaust:......................................... 1/4" O.D. tube fitting, stainless steel
Sample In: ..................................... 1/4" O.D. tube fitting, stainless steel
See the Preface section of the Platform manual for specifications regarding Platform-related components
(e.g., case dimensions) and the I/O Module manual for specifications regarding I/O (e.g., relay outputs).
1-4
Description and Specifications
interval for a rate of change no greater than 10°C/hour)
Outline and Mounting Dimensions p2-6
regulator pressure adjusted to 344 hPa (5 psig)
689 hPa to 1034 hPa-gauge (10 to 15 psig); maintain a constant
pressure ±34 hPa (±0.5 psig)
Rosemount Analytical Inc.
Model NGA2000 CLD
A Division of Emerson Process Management
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