Instruction Manual
Model NGA2000 HFID
c. Drift | d. Noise |
1.Verify that the sample, burner air, and fuel supply pressures are constant.
2.Check that the tubing, regulators, pumps, fittings, and valves are clean of hydrocarbons.
3.Verify that the oxygen level in the burner air and sample are con- stant.
4.Verify the THC level is correct for the burner air and fuel supply.
5.Check that the ambient tempera- ture is changing <10°C per hour.
6.Verify the burner is clean.
7.Verify temperature of the sample gas, case, burner, and oven has stabilized.
8.Verify the Preamp PCB is clean.
9.Verify atmospheric pressure at burner exhaust is constant.
10.Verify purge gas pressure is con- stant.
11.Verify burner has been on and stabilized.
12.Check for gas leaks.
1.Check that the burner exhaust is free from water condensation.
2.Verify connection to the collector is correct.
3.Verify connection to the polarizing voltage is correct.
4.Check the ambient temperature is changing <10°C per hour.
5.Verify the +24VDC is clean and grounded properly.
6.Verify there are no strong magnetic fields near.
7.Check for excessive vibration.
8.Verify burner exhaust is vented to a constant atmospheric pressure.
9.Verify bypass line is vented to a constant atmospheric pressure.
10.Verify purge out port vented to a constant atmospheric pressure.
11.Verify the collector wires are routed away from the heater.
12.Verify the collector wires are clean and not damaged.
Rosemount Analytical Inc. A Division of Emerson Process Management |