Emerson NGA2000 PMD Home Security System User Manual


 
Instruction Manual
760007-A
July 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-3
Model NGA2000 PMD
1-5 SPECIFICATIONS
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a. General
Measurement Species................... Oxygen
Ranges .......................................... 0 to 100% oxygen; four fullscale selections, including suppressed
zero ranges in 1% increments
Repeatability.................................. ±1% of fullscale (at constant temperature)
Minimum Detectable Level............ 0.01% oxygen
Noise ............................................. <1% of fullscale, peak-to-peak; <±1% for suppressed ranges
Linearity......................................... ±1% of fullscale
Response Time ............................. 0 to 90% of fullscale in 20 seconds (±2 seconds)
Drift (Zero and Span)..................... <±1% of fullscale/24 hours, <±2% of fullscale/week at constant
temperature;
<±2% of fullscale/24 hours, <±4% of fullscale/week of range for 99
to 100% (at constant temperature)
Effect of Temperature.................... <±1% of fullscale over any 10°C interval for rate of change no
greater than 10°C per hour
Environment .................................. Location - Class B controlled, indoor, non-hazardous
Ambient Temperature.................... 0 to 45°C (32 to 113°F)
Effect of Flow................................. <±1% of range when sample flow rate is changed by 20 ml/min.
Power Requirements..................... 24 VDC ±5%, 50 W max.; ripple and noise: <100 mV peak-to-peak;
line and load regulations: <±1%
b. Sample
Temperature.................................. Non-flammable;: 10 to 66°C (50 to 150°F)
Flow Rate ...................................... 800 to 1400 ml/min.
Exhaust Pressure .......................... -345 to 690 hPa-gauge (-5 to 10 psig)
Particles......................................... filtered to <2 microns
Dewpoint........................................ below 43°C (110°F), no entrained liquid
Materials in Contact with Sample.. Glass, 316 stainless steel, titanium, Paliney No. 7, epoxy resin, Vi-
ton A, platinum, nickel, rhodium and MgF
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Sample Humidity ........................... non-condensing at ambient temperatures
c. Physical
Case Classification........................ General purpose for installation in weather-protected areas
Dimensions.................................... See Outline and Mounting Dimensions, Figure 2-6 on page 2-7
Weight ........................................... 8 kg (17.6 lbs.
Mounting........................................ Inside a Platform or custom-installed in a panel
Maximum Length of LON Cable.... 1600 m (1 mile) between Analyzer Module and Platform
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See the Platform manual for specifications regarding Platform related components.