GPR-1800 AIS ATEX Trace PPM Oxygen Analyzer - Advanced ...

Advanced Instruments Inc.AlarmsThe CONFIG ALARMS features a system that can be configured in the field. Two field adjustable alarm relays with dry contactsoperate independently of one another which means the alarms can be set-up as:‣ HI and LO‣ LO and LO, LO,‣ HI and HI,HI‣ PERCENT (of full scale range which changes with auto-ranging)‣ % (oxygen value)Additional feature includes delaying the activation of the local audible alarm and relay contacts for up 99 minutes to enableusers to distinguish between transient occurrences and true upset conditions which is particularly useful on remote applicationswithout affecting the 4-20mA signal output. The local audible alarm can be silenced or disabled as well without affecting the 4-20mA signal output.Note: A separate feature, BYPASS ALARMS described below, enables the user to disable the local audible alarm and relaycontacts during calibration or servicing. The alarms are enabled when the alarm condition is corrected.Set Alarm Values:1. Access the MAIN MENU by pressing the MENU key.2. Advance the reverse shade cursor using the ARROW keys to highlight CONFIG ALARMS.3. Press the ENTER key to select the highlighted menu option.4. The following displays appears:MAIN MENUAUTO SAMPLEMANUAL SAMPLECALIBRATIONCONFIG ALARMSBYPASS ALARMS>>>MAIN MENUSET ALARM 1SET ALARM 2SET ALARM DELAYALARM 1 HI/LOALARM 2 HI/LOALARMS AUDIBLE/SILENT5. Advance the reverse shade cursor using the ARROW keys to highlight the SET ALARM 1 option.6. Press the ENTER key to select the highlighted menu option.7. The following displays appears with PERCENT as the default alarm value :MAIN MENUSET ALARM 1SET ALARM 2SET ALARM DELAYALARM 1 HI/LOALARM 2 HI/LOALARMS AUDIBLE/SILENT>>>GAS CONCENTRATIONPERCENTPPM8. Advance the reverse shade cursor using the ARROW keys to highlight the desired option.17