Safety; Marks And Symbols On The Instrument; To Start; Location Of Items - GE Druck DPI 841 User Manual

Safety (Continued)
• To prevent electrical shocks or damage to the
instrument, do not connect more than 30V between
the terminals, or between the terminals and the
ground (earth).
• UPM only. To prevent a dangerous release of
pressure, isolate and bleed the system before you
disconnect a pressure connection.
Before you start an operation or procedure in this
publication, make sure that you have the necessary skills
(if necessary, with qualifications from an approved training
establishment). Follow good engineering practice at all
times.
Safety - Marks and symbols on the instrument
Complies with European
Union directives
Read the manual
Ground (Earth)
Do not dispose of this product as household waste. Refer to
"Maintenance".

To start

To start - Location of items
Item Description
1. ❍ On or off button.
2. Left-hand soft-key. Selects the function above it on
■ ■
the display (Item 25). Example: Edit
3. Moves back one menu level.
ESC Leaves a menu option.
Cancels the changes to a value.
4. ▲ Increases or decreases a value.
▼
Highlights a different item.
5. Holds the data on the display. To continue, press the
HOLD
HOLD button again.
6. Shows the Select Task menu.
MENU
Selects or accepts an item or value.
OK
Selects [✓] or cancels [ ] a selection.
7. Right-hand soft-key. Selects the function above it on
■ ■
the display (Item 25). Example: Settings
8. Display. Refer to A3
9. Communications port. Use to connect a Universal
SENSOR
/ PC Measurement Module (UMM) or a RS232 cable.
10. Terminals to measure (IN) or supply (OUT) a frequency
IN
OUT or a pulse rate. Refer to "Operation".
11. Connection point for some of the optional
accessories. Refer to the datasheet.
12. Battery compartment. Refer to B1.
13., 14., 15. DPI 842 only. Terminals to measure current, to supply
24V source, and to do switch tests.
2
- [EN] English
Warning - refer to the
manual
Battery
ON/OFF
A1 A2
...
To start - Items on the display
Item Description
16. DPI 842 only. Task indication for the switch test.
= switch closed
UPM only. Task indication for the leak test.
Refer to: Select Task (Table 2/3)
17. DPI 842 only. The loop power supply is on.
Refer to: Select Task (Table 2/3)
18. The measured value satisfies one of the alarm
conditions. Refer to: Settings (Table 4)
19. The data on the display is on hold. To continue, press
the HOLD button again.
20.
Shows the battery level: 0 ... 100%.
21. Identifies the type of data and the measurement
range.
= Input
= IDOS input
Refer to: Select Task (Table 2/3)
22. ... 24. The settings applied to the input or output.
22. kHz The units or a specified scale (x:y) - (Table 4/5)
, ,
...V The input trigger level (Table 4) or the output
5.0V
amplitude (Table 5).
23.
, ... ,
24. = Filter
= Tare
25. A soft-key function. To select an available function,
press the soft-key below it. Example:
= Move left
26. The measured value or values applicable to the task
selection.
The Edit display to set up text labels ( ≤ 6 characters):
27.
x:y Scaling (Table 4).
= Accept the new text label
OK
Shift = Change the keys: 123ABC or -_+abc
= Add a space
BS = Back space (Delete character)
To start - Prepare the instrument
Before you use the instrument for the first time:
• Make sure that there is no damage to the instrument,
and that there are no missing items.
• Remove the plastic film that protects the display. Use
the tag (◗ ) in the top right-hand corner.
• Install the batteries (refer to B1). Then re-attach the
cover.
A3
= switch open
= Output
=
Output waveform (Table 5)
= Output operation (Table 5)
= Maximum
= Average (Table 4)
= Minimum
= Move right
K395 Issue 3