Industrial Scientific TMX412, Инструкция по эксплуатации

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17
BATTERY
PRESS
NCD/LI
PRESS
• Press (E) to enter the instantaneous alarms function. The
display will show the first alarm to be set along with the
scrolling prompt PRESS (+) FOR NEXT (E) TO
SELECT. The alarm type will be indicated on the display
as either high (H) or low (L).
• Press (E) to select the desired alarm to be changed. The
display will flash the current alarm value along with the
prompt PRESS (+) OR (-) TO SET (E) TO SELECT.
• Press the (+) and (-) keys to set the desired alarm value
and (E) to enter the value into memory.
• Press MODE to return to the INSTANT function.
• Press (+) to step to the TWA and STEL alarm functions.
The TWA and STEL alarm values are set as
previously described.
6.3 B
ATTERY
The BATTERY option allows the user to select the type of
battery installed in the unit. The setting configures the
battery indicator to accurately display the discharge rate of
the selected battery type.
Change the battery setting as follows:
1. From Setup, access the BATTERY option by pressing
the key until “BATTERY” appears on the
display and then press the E key.
2. Press the key to toggle between battery types.
The display will show “NCD/LI” for Ni-Cad or lithium
batteries and “ALKALNE” for alkaline batteries.
3. Press the E key to select battery type shown.
4. Press the Mode key twice to return to Reading Mode for
normal operation of the instrument.
10L LEL
PRESS
16
LEL
PRESS
25 LEL
PRESS
• Press (+) to toggle between LEL and CH
4
combustible
sensor span ranges.
• Press MODE to enter the span gas values for all sensors.
The display will show the first span value, eg. 25 LEL,
along with the prompt PRESS (+) FOR NEXT (E) TO
SELECT.
• Press (E) to select the value you wish to change. The
display will flash the current span value and will scroll
the prompt PRESS (+) or (-) TO SET (E) TO ENTER.
• Press the (+) and (-) minus keys to set the desired span
value and (E) to enter the value into memory. Once the
value has been entered into memory, it will become the
standard span gas value used during instrument
calibration.
• Press the MODE switch to return to the SETSPAN
function.
6.2 A
LARMS
The ALARMS function allows you to set the values for
the HI and LOW alarms for each installed sensor. Default
alarm settings for each gas are listed in Section 11. If the
hygiene/datalogging option is installed, you will also be
able to set the STEL and TWA alarm values.
• Press (+) to step from the SETSPAN function to the
ALARMS function.
• Press (E) to enter the ALARMS function. The LATCH
function will lock the alarm indicators on when a
monitored gas concentration reaches the high alarm
setpoint. The alarm will reset after the gas concentration
has fallen below the alarm setpoint and the user has
pressed the (E) key. The display will indicate LATCH
along with the scrolling prompt PRESS (+) FOR NEXT
(E) to SELECT.
• Press (E) to select the LATCH function. The display will
indicate LATCH along with the prompt PRESS (+) FOR
NEXT (E) TO SELECT.
• Press (E) to set the TMX412 high alarm latch as ON or
OFF. Press MODE to return to the LATCH screen.
• Press (+) to step to the INSTANT function and set
instantaneous alarm values. The display will indicate
INSTANT along with the scrolling prompt PRESS (+)
FOR NEXT (E) TO SELECT.
ALARMS
PRESS
LATCH
LATCH
PRESS
OFF
PRESS
INSTANT
PRESS