Copyright 2013 Baker Hughes Company.
English–DPI
620G Instruction Manual | 3
Warnings
•
Observe absolute cleanliness when using the instrument.
•
Severe damage can be caused if equipment connected to this instrument is contaminated.
•
Connect only clean equipment to the instrument. To avoid any contamination, an external
Dirt Moisture Trap is recommended.
•
Some liquid and gas mixtures are dangerous. This includes mixtures that occur because of
contamination. Make sure that the equipment is safe to use with the necessary media.
•
Read and obey all applicable WARNING and CAUTIONS signs.
•
Make sure that:
i.
All work areas are clean and clear of unwanted tools, equipment and materials.
ii. All unwanted consumable materials are disposed in accordance with local health and
safety and environmental regulations.
iii. All equipment is serviceable.
1.6 Warnings
1.7 Electrical Safety
WARNING
Do not ignore the specified limits for the instrument or its related
accessories. This can cause injuries.
If the equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
Do not use the instrument in locations with explosive gas, vapor or dust. There
is a risk of an explosion.
WARNING
The DC input to the DPI
620G is rated at 5
Vdc ±
5% 4
Amps.
External circuits should have appropriate insulation to the mains.
To prevent electrical shocks or damage to the instrument, do not connect more
than 30
V CAT
I between the terminals or between the terminals and the ground
(earth).
This instrument uses a rechargeable Lithium Polymer (Li-ion) battery pack. To
prevent an explosion or fire do not short circuit.
The power supply input range to the optional power supply unit is 100
–
260Vac,
50 to 60
Hz, 250
mA, installation category CAT
II.
When using the optional power supply unit, position the power supply so as not
to obstruct the supply disconnecting device.
Note that the operating and storage temperature range of the optional PSU does
not match that of the DPI
620G. Mains PSU operating temperature range 0°C to
+40°C, storage temperature range
-
40°C to +70°C.
To make sure the display shows the correct data, disconnect the test leads
before power is set to ON or changing to another measure or source function.
Keep the leads free from all contaminants.