LD5208 USER MANUAL, REV. 0: NOVEMBER 2005
7
6. INSTALLATION
6.1 Mounting location – Environmental considerations
The mounting location must be such that the instrument is not subject to excessive vibrations, heat
or humidity. Avoid direct sunlight on the front of the instrument. The unit has to be installed at the
right height to allow an easy reading of the display and convenient keyboard operation.
AMBIENT : Storage - 10 to +70
0
C.
TEMPERATURE Operating -10 to +40
0
C.
HUMIDITY : 40 to 90% RH (non condensing).
VIBRATION : Severe vibration can affect the accuracy of weighing and damage
electric / electronic components.
AIR : The surrounding air should be dust free and not contain any corrosive
gasses or materials which could adversely affect the equipment.
PROTECTION : IP40.
ELECTROMAGNETIC : Heavy electrical equipment should not be installed close to
FIELDS the weighing equipment.
INCOMING AND : Relays and contactors connected to the equipment must have
OUTGOING SIGNALS reliable and effective interference suppression. This also applies to other
equipment located within a distance of 3m from out equipment.
Cabling must be performed according to normal practice.
NOTES : - WELDING on or in the vicinity of the equipment is strictly prohibited.
- STATIC loads, caused by thunderstorms, have to be prevented from
developing by use of reliable lightning conductors.
- ENSURE that the cooling of the equipment is not obstructed.
6.2 Power
The instrument is powered from external power adaptor (9VDC/800mA) or internal battery.
Battery charging is performed while the external power supply is connected.
As the instrument is computer controlled it requires clean power for reliable operation.
Power supplied should come from a source that is isolated from other process equipment.
WARNING
Verify that the AC POWER SOCKET outlet is properly protected.
To avoid shock hazards, always be certain that the power adaptor is disconnected from the
wall outlet BEFORE opening the enclosure.
DO NOT USE any other type of power adaptor than the one supplied with the indicator.
DO NOT create a safety hazard by defeating the grounding feature.
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