Emerson Process Management NGA2000 HFID manual 18

Instruction Manual

748297-E June 2003

Model NGA2000 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 between
	113°C and 191°C
High range ...........................	0 to 50 ppm, CH4, through 0 to <5%, CH4 at an oven setpoint
	between 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 pressures.
Span ....................................	≤ ±1% of fullscale/24 hours at constant temperature, sample flow,
	hydrocarbon concentration of supply gases, and fuel, burner air,
	regulated air and sample pressures.
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%

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