Data & Event Logging - Linde G-TECTA 4G Operating Manual

10
Alarm latching:
Latched alarms require the operator to press the mode
button to clear the alarm (default setting). The alarm can
be set to be latched or unlatched. Unlatched alarms will
clear automatically when the gas hazard has passed.
Alarm sounder mute:
The G-TECTA 4G sounder can be set to mute for
®
level 1 alarms only; pressing the mode button
during an alarm condition, will silence the sounder
and stop the vibrating alarm. The alarm LEDs will
continue to flash.
Alarm sounder tone:
Different distinctive tones can be selected for each
alarm condition. This optional feature can assist the
operator to ascertain the level of hazard.
WARNING
This feature should only be set

following extensive instrument user training.
Data & Event Logging
The G-TECTA 4G instrument records both gas
®
data and events. The logs can be accessed
and downloaded by using the G-TECTA
charger with PC interface and by using G-TECTA
software.
Data is recorded in 1 minute intervals (the intervals
can be adjusted using the PC software).
G-TECTA 4G also records the time and date for a
®
number of operating and diagnostic events including:
• Switch on and switch off
• Level 1, Level 2 and Time Weighted Average
Alarms (TWA) – alarm on, alarm off and peak
gas levels during the alarm
• Zero, calibration and gas testing –
success or failure
• Flammable sensor alarms – on and off
• The battery condition – switch on, switch off,
when placed into or out of the charger
Batteries
Rechargeable Batteries
The re-chargeable batteries in the G-TECTA
Lithium-Ion batteries. The batteries will re-charge
in 5 hours when fully discharged. The battery life is
16+ hours in continuous use.
G-TECTA
There are 4 battery charger options for the
G-TECTA
charger is a single drop in charger cradle with
a power lead. Optional charger units include;
single drop in charger cradle with integral PC
interface, a 12V vehicle charger and a 5
instrument multi-charger.
The chargers are powered by a nominal 15 V
dc input. The multi-charger includes a universal
power supply. To ensure compliance with product
4G
®
certification requirements, charging voltages must
PC
®
be limited to less than 9 V.
WARNING

battery in a safe (non-hazardous) area and with a
Linde G-TECTA
invalidate safety certification and may result in
permanent damage to the instrument.
Charging the Batteries
1. Ensure you are in a safe area.
2. Plug the charger power supply into a mains
socket, and connect to the charger.
4G Battery Chargers
®
4G instrument. The standard battery
®
Only re-charge the rechargeable
4G charger. Failure to comply could
®
4G are
®