Copyright 2013 Baker Hughes Company.
6 | DPI620G Instruction Manual–English
Chapter 1. Overview
1.10 Pressure Warnings
A chargeable Lithium Polymer (Li-ion) battery supplies power to the DPI620G
and DPI620G-B. The DPI620G-IS uses a chargeable Lithium-Ion (Li-Ion) battery
pack as its power source. To prevent an explosion or fire do not disassemble or
short circuit these batteries.
When the instrument is put in storage for more than 3 months, keep the battery
at a minimum charge level of 30% to make battery performance stay constant.
To prevent an explosion or fire, use only the Druck supplied battery, power
supply and battery charger.
To prevent battery leakage or heat generation, only use the related battery
charger (IS: IO620G-IS-CHARGER) and power supply IO620-PSU in the
temperature range 0°C to 40°C (32°C to 104°F).
DPI620G & DPI620G-B: The power supply input range to the optional power
supply unit is 100 – 260Vac, 50 to 60 Hz, 250mA, installation category CAT II.
DPI620 IS: The power supply IO620-IS PSU input range is 100 – 240Vac +/-10%,
50 to 60Hz, 250mA, installation category CAT II.
The DC input to the DPI620G-IS battery charger is rated at 5V (+/-5%). Maximum
current 2 Amps.
When you use the optional power supply unit, put it in a position so it does not
obstruct the supply disconnecting device.
The IS temperature range for operation and storage of the optional PSU
(IO620-PSU) is not the same as that for the DPI620G-IS battery charger. The
IO620-PSU mains PSU operating temperature range is 0°C to +40°C (32°F to
104°F), storage temperature range -40°C to +70°C (-40°F to 158°F).
Short-term and long-term TEMPORARY OVERVOLTAGES can occur between the
line conductor and earth in electrical installations. The equipment will continue
to operate when this type of over-voltage occurs.
To make sure the display shows the correct data, disconnect the test leads
before power is set to ON or before the selection of a different measure or source
function. Keep the leads free from all contaminants.
WARNING It is dangerous to attach an external source of pressure to a
PV 62X or PV624 pressure station. Use only the internal mechanisms to set and
control pressure in the pressure calibrator.
To prevent a dangerous release of pressure, isolate and bleed the system before
you disconnect a pressure connection.
To prevent a dangerous release of pressure, make sure that all the related pipes,
hoses and equipment have the correct pressure rating, are safe to use and are
correctly attached.
To prevent damage to the PV62X, PV624, MC620G, PM620 or PM620T, only use
the equipment within the specified pressure limits.
Do not exceed the maximum pressures stated in the applicable component
manual for the device under test.
Reduce pressure at a controlled rate when you vent the instrument to
atmosphere. Carefully release all pressure in pipes to atmospheric pressure
before you disconnect or connect to the device under test.
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