Boeco BLC-500 Manuel utilisateur
BLC Series
Serie BLC
Precision Balances
Balanzas de precisión
Operating Instructions/Instrucciones de manejo
98648-012-67
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English – page 3
Español – página 11
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Important
You have purchased a quality
precision weighing instrument that
requires handling with care.
Please read these Operating
Instructions carefully before operating
your new BOECO balance.
Disclaimer
Calibrate your balance using a refer-
ence weight of the appropriate toler-
ance (class). A measuring instrument
is only as accurate as the standard that
was used as a reference in calibration.
For assistance in the selection of
reference weights, please contact
the factory.
Warning
Never lift balance by the weighing
pan, as this may cause damage to
internal mechanisms.
Always lift and transport the balance
by its base, including when removing it
from packing materials!
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Specifications
Model BLC-500 BLC-3000
Capacity 500 g 3000 g
Readability 0.1 g 1 g
Taring Range 0 to 500 g 0 to 3000 g
Repeatability 0.1 g 1 g
Linearity 0.1 g 1 g
Pan Size 5.4” x 5.4” 5.4” x 5.4”
(138 x 138 mm) (138 x 138 mm)
Common Specifications:
Dimensions (LxWxH): 7.5 x 5.5 x 1.7” (190 x 140 x 45 mm)
Net Weight: 0.8 lbs (0.38 kg)
Operating Temperature: 10°C – 30°C (50°F – 86°F)
Electrical Requirements: 9 V battery or AC adapter (sold separately)
Function Keys
[ON/TARE] Turns the balance on.
Returns the unit to zero (tares).
[UNITS] Toggles between defined units.
[OFF] Turns the balance off.
500g
0.1g
BLC-500
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Operation
A. Taring (Zeroing)
All models have taring capabilities up
to their total weight capacity (varies
with each model)
1. Place sample container on pan.
2. Press the [ON/TARE] key to zero the
balance.
3. Add your sample; when the balance
is stable the display shows the
weight of the sample and an ° in the
top left corner of the display.
B. Weigh Units
Pressing the [UNITS] key will toggle
between the units selected as Unit 1.
The choices are:
• grams (g) and pounds/ounces
(lb/oz)
• grams only
• grams, troy ounces (ozt) and
pennyweights (dwt)
• grams (g) and ounces (oz)
• grams, Taiwanese kilograms (kg)
and piece count (P)
To select Unit 1
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed.
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key four times. Release the
[ON/TARE] key.
4. Press the [ON/TARE] key twice
so the display reads Unit1
(or UnitP if in counting mode).
5. Press the [UNITS] key to scroll
through the choices of units.
6. Press the [OFF] key when the
desired unit combination appears.
Unit 2 can also be defined. The choices
are grams (g), troy ounces, penny-
weights, ounces (oz), Taiwanese kilo-
grams or pounds/ounces (lb/oz).
Unit 2 is used after being set until the
[UNITS] button is pressed.
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To select Unit 2
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed.
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key four times.
4. Release the [ON/TARE] key.
5. Press the [ON/TARE] key three times
so the display reads Unit 2.
6. Press the [UNITS] key to scroll
through the choices of units.
7. Press the [OFF] key when the
desired unit appears.
C. Calibration
To calibrate the balance, tare or zero
the balance with no weight on the pan.
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed.
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key three times. Release the
[ON/TARE] key.
4. After a few seconds the display
will show Cand the value of the
required calibration weight.
5. Place the correct weight on
the balance. After several seconds
the maximum capacity will be
displayed, indicating the value has
been accepted.
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D. Counting or Piece Mode
1. Select grams, Taiwanese kilograms
(kg) and piece count (P) as Unit1.
2. Place the container on the pan and
press [ON/TARE].
3. Press the [UNITS] key repeatedly
until the display reads PC followed
by the reference quantity.
4. To change the reference quantity,
press the [ON/TARE] key repeatedly
until the desired reference quantity
(10, 20 or 50) is displayed.
5. Place the designated number of
pieces on the balance.
6. Press the [ON/TARE] key.
The display will show Pand the
number of pieces.
7. Add or subtract pieces.
8. For the next set of pieces to be
weighed, press the [UNITS] key
repeatedly until grams are displayed
and repeat steps 2 – 7.
Note
If balance is turned off, the reference
weight must be reset.
Note
The individual piece must weigh more
than the resolution of the balance.
E. Auto Zero
With this function, the balance auto-
matically remains at zero even with
slight changes.
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed.
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key four times.
4. Release the [ON/TARE] key.
5. Press the [ON/TARE] key four times
so the display reads tr-xd.
6. Press the [UNITS] key to scroll
through the choices of zero tracking
(1d to 4d).
7. Press the [OFF] key when the
desired setting appears.
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F. Battery-saving mode.
The balance can be set to turn off auto-
matically after 1 to 9 minutes or to stay
on until the [OFF] key is pressed.
To select auto-off interval:
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed.
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key four times. Release the
[ON/TARE] key.
4. The display will show [OFF] and the
number of minutes set.
5. Press the [UNITS] key to cycle
through the choices of minutes
(1 to 9).
6. Press the [OFF] key when the
desired auto-off time appears.
Note:
Auto-off interval is not applicable
if battery-saving mode is set to
SlepO.
To disable battery-saving mode:
1. Turn the balance off.
2. Hold down the [ON/TARE] key until
all segments are displayed
3. Continue to hold down the
[ON/TARE] key and press the
[UNITS] key four times.
Release the [ON/TARE] key.
4. Press the [ON/TARE] key until the
display shows Slep.
5. Press the [UNITS] key to select 0
for battery-saving mode off or 1to
enable auto-off interval.
6. Press the [OFF] key when the
desired auto-off time appears.
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Troubleshooting
Display Shows Cause Remedy
EEEE Weight exceeds balance Reduce weight
capacity.
Pan obstructed Check pan placement
- - - - - Underload Check pan placement
Lo Battery low Replace battery
Cleaning Instructions
The exterior surfaces of the product
may be cleaned with a mild water-
based detergent and a lint-free
nonabrasive cloth. Alternatively, iso-
propyl alcohol may be used. Do not
immerse the product in any liquid.
Warning
Never lift balance by the weighing pan
as this may cause damage to internal
mechanisms.
Always lift and transport the balance by
its base.
Note
This unit contains no user serviceable
parts.
All replacement parts should be
obtained from the manufacturer. Please
refer to this manual for the phone
number of your sales and service
representative.
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CMarking
This equipment complies with the
Directives of the Council of the
European Union:
Directive 89/336/EEC “Electro-
magnetic Compatibility (EMC)”
Applicable European Standards:
Limitation of Emissions:
According to Product Standard
EN 61326-1 Kl.B
(Residential environment)
Defined Immunity to Interference:
According to Product Standard
EN 61326-1
(Industrial environment)
Important Note:
The operator shall be responsible for
any modifications to BOECO equipment
and for any connections of cables or
equipment not supplied by BOECO and
must check and, if necessary, correct
these modifications and connections.
On request, the BOECO will provide
information on the minimum operating
specifications (in accordance with the
Standards listed above for defined
immunity to interference).
Council Directive 73/23/EEC
“Electrical equipment designed for
use within certain voltage limits”
Applicable European Standards:
EN 60950
Safety of information technology
equipment including electrical business
equipment
EN 61010
Safety requirements for electrical
equipment for measurement, control
and laboratory use
Part 1: General Requirements
When you use electrical equipment
in installations and under ambient
conditions requiring higher safety
standards, you must comply with the
provisions as specified in the applica-
ble regulations for installation in your
country.
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