NS 5.14 Firmware
3–24 4900002262 rev. B 3-23-21
• Hexane: Sets the mole fraction of hexane in the dry gas mixture
used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00000) corresponds to the natural
gas mixture NG3.
• High Alarm Setpoint: Determines the concentration threshold
(ppmv or dew point C/F) above which the Concentra High Alarm
will be triggered (see“Alarms” on page 2-42).
• I-Butane: Sets the mole fraction of i-butane in the dry gas mixture
used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00293) corresponds to the natural
gas mixture NG3.
• I-Pentane: Sets the mole fraction of i-pentane in the dry gas
mixture used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00020) corresponds to the natural
gas mixture NG3.
• Keypad Watchdog: Sets the allowable time (in seconds) that the
analyzer can be on the MODE screen and the Mode 2 (Set Parameter
Mode) password screen before automatically reverting to Mode 1
(Normal Mode).
• lb ConvFactor 01: Sets a custom conversion factor when the
parameter Concentration Unit = 1 (lbs/MMscf) and this value is
greater than 0.0. The default conversion factor is used when it is
equal to 0.0.
• Logger Rate: Sets the number of measurements included in the
running average.
• Low Alarm Setpoint: Determines the concentration threshold
(ppmv or dew point C/F) below which the Concentra Low Alarm will
be triggered (see“Alarms” on page 2-42).
• Methane: Sets the mole fraction of methane in the dry gas mixture
used when calculating the dew point temperature per ISO
18453:2006. The default value (0.88204) corresponds to the natural
gas mixture NG3.
• mg ConvFactor 03: Sets a custom conversion factor when the
parameter Concentration Unit = 3 (mg/Nm3) and this value is
greater than 0.0. The default conversion factor is used when it is
equal to 0.0.
• Modbus Address: Sets the analyzer address when the analyzer is
used as a Modbus slave device.
• Modbus Mode: Sets the communications protocol for the port
selected by the 2 Way Com Port parameter.
• N-Butane: Sets the mole fraction of n-butane in the dry gas mixture
used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00441) corresponds to the natural
gas mixture NG3.
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