Enmet EX-5120 Instrukcja Użytkownika Pobierz pdf (Strona 12)

EX-5120

ENMET Corporation

5.2.2 Gas Span

It is recommended that the Zero Function be performed first.

Enter the maintenance menu. See

Figure 5,

EX-5120

Maintenance Menu flow chart.

Tap the

ENU

switch once to show Span on the display.

Tap the

ELECT

switch to perform a Span procedure. The display will alternate between the calibration gas concentration

and a signal level.

Attach the associated calibration gas cylinder to the regulator and calibration cover. See to

Figure

Open the valve to apply the calibration gas to the sensor.

Watch for the signal level to stabilize.

Once the signal level has stabilized, the

EX-5120

will automatically lock in the calibration data and:



If the Span is successful, Cal OK appears on the display momentarily, then advances to Alarm 1. Remove calibration gas.

To exit maintenance menu tap the

ENU

switch until Exit appears, then tap the

ELECT

switch.



If the sensor is outside of acceptable parameters, Bad Span is displayed momentarily, then returns to Span.

Remove calibration gas. Tap the

ENU

switch until Exit appears, then tap the

ELECT

switch. Check span gas and

repeat calibration.

 N

OTE

Some software revisions require the

ELECT

switch be tapped to accept the signal.

Calibration is complete.

5.2.3 Exit Maintenance Menu

Exit maintenance, by tapping on the

ENU

switch until Exit appears on the display. Tap the

ELECT

switch to return to the

instrument Normal Gas Display.

Normal Display Mode

OTE

You can change the Calibration Gas Level. H

OLD

the magnet over the S

ELECT

switch for 2 – 4 seconds

The M

ENU

switch changes digit indicated by underscore cursor

The S

ELECT

switch locks underscored digit and moves to next digit

ENU

OLD

the magnet over the

ENU

switch for 2 – 4 seconds

to enter the Maintenance Menus

Exit

ELECT

Tap the

ELECT

switch to return to the Normal

Display Mode.

See Section 5.2.3

ENU

Tap the magnet over the M

ENU

switch to cycle through Maintenance Menus

Zero

Cal OK

the Zero signal is within Preset Specs the EX-5120 will display

Cal OK, See Section 5.2.1

If the Zero signal is not within Preset Specs the EX-5120 will

display Bad ZERO

OTE

Some software revisions require the

ELECT

switch be

tapped to accept the signal.

ELECT

ENU

Bad ZERO

PV: 0

ELECT

Tap the S

ELECT

switch to initiate Zero adjustment

Select

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