2 - [EN] English
K335 Issue 3
Safety
Before you use the instrument, make sure that you read
and understand all the related data. This includes: all local
safety procedures, the instructions for the UMM (if
applicable), and this publication.
WARNING
• Some liquid and gas mixtures are dangerous. This
includes mixtures that occur because of
contamination. Make sure that the instrument is
safe to use with the necessary media.
• It is dangerous to ignore the specified limits for the
instrument or to use the instrument when it is not in
its normal condition. Use the applicable protection
and obey all safety precautions.
• To prevent a dangerous release of pressure, isolate
and bleed the system before you disconnect a
pressure connection.
• Do not use the instrument in locations with explosive
gas, vapor or dust. There is a risk of an explosion.
• DPI 802/802P only. 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).
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
The identification on each pressure connector includes the
type of thread (1/8 NPT, G1/8 ... ).
To start
To start - Location of items …
Complies with European
Union directives
Warning - refer to the
manual
Read the manual Battery
Ground (Earth) P1/P2 Identifies the pressure
range connector
ON/OFF
MWP
The maximum working pressure for the connector.
Example: 2 x FS (FS = Full scale pressure)
REFERENCE
The connector is a reference port for reference pressure only. Refer
to “Specification data”.
Item Description
1. ❍ On or off button.
2.
■ ■
Left-hand soft-key. Selects the function above it on
the display (Item 24). Example: Edit
3.
ESC
Moves back one menu level.
Leaves a menu option.
Cancels the changes to a value.
4.
▲
▼
Increases or decreases a value.
Highlights a different item.
5.
HOLD
Holds the data on the display. To continue, press the
HOLD button again.
6.
MENU
OK
Shows the Select Task menu.
Selects or accepts an item or value.
Selects [✓] or cancels [ ] a selection
7.
■ ■
Right-hand soft-key. Selects the function above it on
the display (Item 24). Example: Settings
8. Display. Refer to A3
9.
SENSOR/
PC
Communications port. Use to connect a Universal
Measurement Module (UMM) or a RS232 cable.
10. 10a. IDOS pressure connector with identification marks.
Refer to “Safety”.
10b. Label to identify the pressure range for the
associated IDOS pressure connector (P1/P2): Sealed
gage (sg), gage (g), absolute (a).
10c. PTFE vent filter or a reference port connector. Refer to
“Specification data”.
11. Connection point for some of the optional
accessories. Refer to the datasheet.
12. Battery compartment. Refer to B1.
13., 14., 15. DPI 802/802P only. Terminals to measure current, to
supply 24V source, and to do switch tests.
A1 A2
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