Emerson Process Management 760004-A General, Physical, 1-5SPECIFICATIONS

Instruction Manual

760004-A February 2002

Model NGA 2000 HFID

1-5 SPECIFICATIONS

a.	General
	Measurement Species ....................	Total hydrocarbons
	Ranges (H2/He Fuel)
	Low range..............................	0 to 10 ppm, CH4, through 0 to 1%, CH4 at an oven setpoint be-
		tween 113°C and 191°C
	High range .............................	0 to 50 ppm, CH4, through 0 to <5%, CH4 at an oven setpoint be-
		tween 113°C and 191°C
	Analysis Temperature .....................	Adjustable from 200oF to 400oF (93oC to 204oC), maintained within
		±11oF (±6oC) from the setpoint.
	Repeatability ....................................	≤1% of fullscale for successive identical samples, at a constant
		temperature, sample flow and fuel, burner air, regulated air and
		sample pressures
	Min. Detectable Level......................	0.10 ppm, CH4
	Noise ................................................	≤1% of fullscale, peak to peak
	Linearity............................................	≤±1% of fullscale, ≤±2% of data point (must be above the minimum
		detectable level)
	Response Time ...............................	≤1.5 sec., 0% to 90% of fullscale
	Drift
	Zero .......................................	≤ ±1% of fullscale/24 hours at constant temperature, sample flow,
		hydrocarbon concentration of supply gases, and
		fuel, burner air, regulated air and sample pres-
	Span ......................................	sures.
		≤ ±1% of fullscale/24 hours at constant temperature, sample flow,
		hydrocarbon concentration of supply gases, and
		fuel, burner air, regulated air and sample pres-
		sures.
	Effect of Temperature....................	≤±2% of fullscale for any ambient temperature change of 10oC and
		rate of change less than 10oC/hr.
	Operating Temperature .................	59°F to 95°F (15°C to 35°C)
	Power Requirements.......................	+24 VDC ±5%, 120 W max. direct to Analyzer Module
		Ripple and Noise: <100 mV pp
		Line and Load Regulations: <1%
b.	Physical
	Case Classification........................	General purpose for installation in weather-protected area
	Maximum Separation ....................	1600m (1 mile) from Analyzer Module to Platform
	Materials in Contact With Sample . Stainless steel and glass-filled Teflon
	Dimensions....................................	See Outline and Mounting Dimensions, Figure 2-5
	Weight ...........................................	15.9 kg (35 lbs.)
	Mounting........................................	Horizontally, custom-installed in a panel

1-4 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management