Safety; Marks And Symbols On The Instrument; To Start; Key To Figure A1/A2 (Instrument) - Baker Hughes Druck DPI 880 Manual Del Usuario

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.
• 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.
• Do not use the instrument in locations with explosive
gas, vapor or dust. There is a risk of an explosion.
• 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.

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".
More marks and symbols are specified in "To start".
2
- [EN] English
WARNING
Warning - refer to the
manual
Battery
ON/OFF

To start

Key to figure A1/A2 (Instrument)

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. 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 task selection menu (Item 25).
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 24). 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.
Connectors to measure or supply the specified values.
Refer to "Operation".
COM Common connector
3W, 4W
3-wire, 4-wire RTD input
11. Connection point for some of the optional accessories.
Refer to the datasheet.
12. Battery compartment. Refer to B1.
13. 14. 15 (Dual Function) Connectors to measure or supply the
specified values. Refer to "Operation".
Vin, Volts input or switch
24Vo 24V loop power supply
K0405 Revision B