GE Druck DPI 802 - Maintenance; Battery Replacement; Calibration Prerequisites

[EN] English - 9
K335 Issue 3
Maintenance
This section gives procedures to maintain the unit in a
good condition. You must return the unit to the supplier for
all repairs.
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 6.
• a stable temperature environment: 70 ± 2°F (21 ± 1°C)
Table 6: Calibration equipment
Before you start the calibration, make sure that the time
and date on the instrument are correct (Table 1).
Selection sequence:
➤ Select Task (Table 2) ➤ Set Up (Table 1) ➤ Calibration ➤
Table 7: Calibration options
When you select a channel, the display shows the
applicable instructions to complete the calibration.
When the calibration is complete, select Calibration Due
and set the new calibration date for the instrument.
Function Calibration equipment
Pressure An applicable pressure standard
(primary or secondary) with a total
uncertainty of 0.01% reading or
better.
mA mA calibrator.
Accuracy: Refer to Table 9.
B1
1
Display: Enter
Calibration PIN
23
Menu:
Select Channel
45
▲
▼
+
■ ■
▲
▼
Factory PIN = 4321 (Table 7)
Options
(If applicable)
Description
(* Optional item)
P... To calibrate the specified IDOS pressure input
(P1 or P2*).
IDOS ... UMM only. To calibrate the specified IDOS UMM.
Refer to the user manual for the IDOS UMM.
mA DPI 802/802P only. To calibrate the mA input.
Calibration Due: To set the date of the next
calibration for the instrument.
After the specified calibration date, there is a
warning message. There is a selection box to stop
the warning.
To change the calibration PIN (Personal
Identification Number).