Enmet EX-6165 Bedienungsanleitung PDF herunterladen (Seite 19)

EX-6120, 6165 SERIES IR

ENMET Corporation

11.2.6 E : 6 – Decimal Places

The number of decimal places that are used to display the detected gas levels can be changed via this menu option.

• From the menu system select menu option: E: 6 and press ENTER.

• Using the NEXT and PREVIOUS buttons, select the required number of decimal places.

• Press ENTER.

OTE

: Pressing MENU instead of ENTER will exit the menu without changing the number of decimal places to

which the gas level will be displayed.

• Press MENU to close the menu system.

Note that when the sensor type is first selected, the optimum number of decimal places for a given sensor type and range

is automatically selected. Increasing the number of decimal places to which detected gas levels are displayed does not

increase the sensitivity or accuracy of the instrument and in some cases may degrade the instruments perceived stability.

11.2.7 E : 7 – Firmware Version

The Firmware version is displayed in the form X.Xyy, where X is numerical and y is a letter.

• Press MENU to close the menu system.

11.2.8 E : 8 – Sensor Selection

This menu option allows the sensor type to be selected. The available sensor options are listed below:

Table 4: EX-6120, 6165 S

ERIES

IR Sensor Selections

OPTION

TYPE

RANGE

COMMENTS

CH4L Infrared 0-100%LEL Methane

CH4H Infrared 0-100% v/v Methane

HC Infrared 0-100%LEL General hydro carbons

HHC Infrared 0-100% v/v General hydro carbons

CO2P Infrared 0-5000 ppm Carbon Dioxide

CO2L Infrared 0-5% v/v Carbon Dioxide

CO2H Infrared 0-100% v/v Carbon Dioxide

The sensor type is selected as follows:

• From the menu system select menu option: E: 8 and press ENTER.

• Using the NEXT and PREVIOUS buttons, select the required sensor.

• Press ENTER.

OTE

: Pressing ENTER while in menu option E: 8 will reset the factory defaults for the displayed sensor. A

calibration must be performed even if the sensor type was not changed.

• Press MENU to close the menu system.

OTE

: It is important that the sensor selected via this menu option corresponds to the sensor that is installed. Incorrect

settings here may result in the inability of the instrument to detect gas.

11.2.9 E : 9 – Engineer diagnostics

This feature is a view-only feature. No configuration changes are possible from within this menu.

The information is for use of ENMET Corporation personnel.

• From the menu system select menu option: E: 9 and press ENTER.

• Using the NEXT button, display the required setting. The displayed values are as follows:

E : 90 Gas level

E : 93 Active sensor A to D counts

• Press MENU to close the menu system.

11.2.10 E : 12 – Cross reference

Contact ENMET Corporation before entering this menu option.

This option is used to allow the user to calibrate the sensor with a commonly available gas (e.g. methane or propane) but use the unit

to detect a different gas (e.g. methanol or acetone etc.). This is achieved by adjusting the cross-reference factor according to the

difference in signal that is detected for the calibration gas compared to the target gas.

• Select menu mode E:12 and press ENTER.

• Using the UP and DOWN buttons set the required cross-reference factor as required.

• Press ENTER to store the new value, Pressing MENU instead of ENTER aborts the feature.

• Press MENU to return the instrument to its standard mode of operation.

OTE

: the default setting of 1.00 is used – no cross sensitivity to target gas.

Contact ENMET Corporation for details.

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