Bacharach PUR-CHEK Manual de Instruções descarregar pdf (Página 13)

Operation and Maintenance Instruction Manual Pur

•Chek™ Pro

N 2100

-9001 Rev 2 9

Press the left soft key (t

he power on/off button) and the splash screen shown in Figure 4-2A will appear

for approximately three seconds, followed immediately by the screen in Figure 4-2B and then by the warm

up screen (Figure 4-2C) for approximately 110 seconds. After the warm up, the calibration screen may be

shown if it is required (see Figure 4-2D, and Figure 4-2E).

(A) (B) (C)

(D) (E)

Figure 4-2. Sample Screens Showing Start-up Sequence

4.3. Calibration

Air calibrations are only required periodically. A reminder to perform air calibrate will appear when

needed. Refer to Figure 4-2D and Figure 4-2E.

When calibrating, the unit will bring fresh air into the unit via an internal pump. This fresh air purges any

excess refrigerant and ensures accurate test results. Calibration requires that the hose be disconnected

from the refrigerant cylinder or air conditioning system and remain connected to the instrument.

When the unit is ready for gas testing, the unit will display the screen shown in Figure 4-3A. Connect the

hose to the tank and press test. The Pur•Chek™ Pro will display the screen shown in Figure 4-3B. If

you wish to change any of the factory default settings, refer to Section 5: Maintenance and

Troubleshooting on page 13.

(A) (B)

Figure 4-3. Sample Screens Showing Calibration Testing

TESTING ALIGNMENT

ADJUSTING

ALI

GNMENT

SAMPLING AIR

AIR CALIBRATION IS

NEEDED NOW

1 – DI

SCONNECT HOSE

FROM SOURCE

2 –

PRESS CAL TO

START

CAL

OFF

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Bacharach PUR-CHEK Manual de Instruções Página 13