Commands and Tips for Third-Party Devices
Agilent 6890/6850 GCs: NPD (Nitrogen Phosphorous Detector)
The following commands and properties are available (please note that the display Filter level determines which commands and properties are displayed):
Property |
Min. |
Max. |
Default |
Description |
AdjustOffset |
Off) On) Abort) |
² (Demo |
Adjusts the reference current until the desired output is reached as defined by the TargetOutput property. |
|
AirFlow |
0.0 ml/min |
200.0 ml/min |
² (Demo mode: 60.0 ml/min) |
Air gas flow. In this form, the property is available only for detectors without EPC option, see the Detector configuration tab page.) |
AirFlow |
- |
- |
- |
Properties related to the air gas flow. In this form, the property is available only for detectors with EPC option, see the Detector configuration tab page.) |
AirFlow. |
0.0 ml/min |
200.0 ml/min |
² (Demo |
Specifies the target air gas flow. |
AirFlow.Value |
0.0 ml/min |
200.0 ml/min |
- |
Current air gas flow (read-only). |
AirFlowCtrl |
Off |
On |
² (Demo |
Turns the pneumatics on and off. In this form, the property is available only for detectors with EPC option, see the Detector configuration tab page. |
BeadPower |
Off |
On |
² (Demo |
Turns the bead power on and off. |
BeadVoltage |
0.000 pA |
4.095 pA |
² (Demo |
The bead voltage can be set either via AdjustOffset or directly. |
H2Flow |
0.0 ml/min |
30.0 ml/min |
² (Demo |
H2 gas flow. In this form, the property is available only for detectors without EPC option, see the Detector configuration tab page. The property is read-only. |
H2Flow |
- |
- |
. |
Properties related to the H2 gas flow. In this form, the property is available only for detectors with EPC option, see the Detector configuration tab page.) |
H2Flow. |
0.0 ml/min |
30.0 ml/min |
² (Demo |
Specifies the target H2 gas flow. |
H2Flow.Value |
0.0 ml/min |
30.0 ml/min |
- |
Current H2 gas flow (read-only). |
H2FlowCtrl |
Off |
On |
² (Demo |
Turns the pneumatics on and off. In this form, the property is available only for detectors with EPC option, see the Detector configuration tab page. |
MakeupGasType |
Nitrogen) Hydrogen, Helium, Argon Methane, Unknown |
² (Demo |
Makeup gas type. The property is available only for detectors with EPC option, see the Detector configuration tab page.) |
|
OffsetEquilibration |
0.00 min |
999.99 min |
² (Demo |
Specifies how long the detector output must be stable before the AdjustOffset procedure is finished. |
PolVoltage |
Off |
On |
² (Demo |
Turns the detector electronics on and off. |
RefCurrent |
0.5 nA |
50 nA |
² (Demo |
Specifies the target detector output for the AdjustOffset procedure. |
TargetOutput |
20 |
200 |
² (Demo |
Specifies the target detector output for the AdjustOffset procedure. |
Note:
² When connecting, Chromeleon reads the value from the instrument and accepts it as default.
The Administrator Help section provides installation instructions for the 6890 and 6850 GCs; refer to Hardware Installation: