Energizer PORTABLE GAS DETECTION INSTRUMENT Manual de usuario descargar pdf (Pagina 9)

9

ALARMS MENU

CUSTOM LATCH

DEFAULT TEMPERATURE

EXIT

2. Use the navigation arrows to highlight

CUSTOM and press the MODE

button. The current alarm settings

screen will then be shown.

CURRENT ALARM SETTINGS

LOW CEIL

O

2

STD

19.5 22.0

O2 DIL

OFF 5.0

LEL 10

CEIL STEL TWA

CO 100 35 100

H

2

S 10 15 10

EXIT

3. Use the up and down navigation

arrows to select O

2

DIL and press the

MODE button.

CURRENT ALARM SETTINGS

LOW CEIL

O

2

DIL

OFF 5.0

4. Use the left and right navigation

arrows to select the low or ceiling

alarm for modification.

Note: The ceiling O

2

dilution alarm is

an ascending alarm. If the amount of

oxygen is higher than the alarm set

point, the visible and audible alarms

will be activated.

CURRENT ALARM SETTINGS

LOW CEIL

O

2

DIL

OFF 6.0

5. Use the up and down navigation

buttons to modify the current setting.

When the alarm adjustment is

completed, press the MODE button

to enter the new setting.

CURRENT ALARM SETTINGS

LOW CEIL

O

2

DIL

OFF 6.0

Save Changes?

YES NO CANCEL

6. Press the MODE button with YES

highlighted to save the new alarm

settings.

3. Calibration in dilution

mode

To ensure O

2

sensor accuracy at levels

approaching 0.0%/Vol. oxygen,

calibration procedures in dilution-capable

instruments include specific sub-routines

involving calibration with 99.9% or better

nitrogen (N

2

).

3.1 Calibration frequency

recommendations: dilution

See Appendix A for Sperian’s calibration

frequency recommendations. Dilution-

capable Cannonball3 instruments should

be calibrated on a similar schedule for

both standard and dilution-related

calibration procedures.

Due to the need for increased accuracy

at levels approaching 0.0%/Vol. oxygen,

it is necessary to perform both the

manual fresh air calibration (see section

3.3.1) and the O

2

zero calibration (see

section 3.3.2) whenever an oxygen

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