Druck DPI 841 Manuale d'uso - Pagina 11

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Operation - UPM Pressure measurements

Read all the instructions supplied with the UPM and then

use the specified procedures to connect it (Figure 7/8).

Figure 7: Example configuration - Pressure measurement

When the connections are complete, make the necessary

IDOS selections (Table 2/3).

If you re-attach a UPM, the instrument uses the same

measurement units that you used before. The instrument

keeps a record for the last 10 modules.

UPM - Measure the pressure

To measure the pressure (Figure 7):

1. Select the applicable pressure task from Select Task

(Table 2/3) and, if necessary, adjust the Set Up (Table 1),

and the Settings (Table 4/5).

2. If necessary, do a zero correction (Table 4).

To measure pressure with another operation (Figure 8), use

the same procedure.

K395 Issue 3

Settings

Start

a) Pressure

b) Leak test

with a UPM

Settings

Figure 8: Example configuration - To measure pressure

UPM - Leak test

To do a leak test on a pressure system (Figure 7):

1. Select an applicable leak test from Select Task

(Table 2/3) and, if necessary, adjust the Set Up (Table 1),

and the Settings (Table 4).

2. Set the period for the leak test (Table 4).

3. If necessary, do a zero correction (Table 4).

4. To start the leak test, select Start (■ ■). When the test is

finished, the instrument calculates the leak rate in the

applicable units/minute.

Operation - Error indications

If the display shows <<<< or >>>> :

• Make sure that the range is correct.

• Make sure that all the related equipment and

connections are serviceable.

Settings

and frequency

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