GE Druck DPI 832, User Manual

Page: 16 / 131

[EN] English -
9 K393 Issue 3
Figure 7: Example configuration - To measure pressure
and supply mA
UPM - Leak test
To do a leak test on a pressure system (Figure 6):
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.
Maintenance
This section gives procedures to maintain the unit in a
good condition. Return the instrument to the
manufacturer or an approved service agent for all repairs.
Do not dispose of this product as household waste. Use an
approved organisation that collects and/or recycles waste
electrical and electronic equipment.
For more information, contact one of these:
• our customer service department:
(Contact us at www.gesensing.com)
• your local government office.
Maintenance - Clean the unit
Clean the case with a moist, lint-free cloth and a weak
detergent. Do not use solvents or abrasive materials.
Maintenance - Replace the batteries
To replace the batteries, refer to B1. Then re-attach the
cover.
Make sure that the time and date are correct. The
calibration facility uses the date to give service and
calibration messages.
All the other configuration options stay in memory.
Calibration
Note: GE can provide a calibration service that is traceable
to international standards.
We recommend that you return the instrument to the
manufacturer or an approved service agent for
calibration.
If you use an alternative calibration facility, make sure that
it uses these standards.
Calibration - Before you start
To do an accurate calibration, you must have:
• the calibration equipment specified in Table 8.
• a stable temperature environment: 70 ± 2°F (21 ± 1°C)
Table 8: Calibration equipment
Before you start the calibration, make sure that the time
and date on the instrument are correct (Table 1).
Settings
Function Calibration equipment
mV/Volts mV/Volts calibrator.
Accuracy: Refer to Table 10/11, and Table 13/14.
Pressure UPM only. Refer to the user manual for the IDOS
UPM.
mA mA calibrator.
Accuracy: Refer to Table 12 and Table 15.
B1