USER GUIDE
KB SERIES
Thanks for purchasing the KB Series Digital Bowl Scale! This
WEIGHING UNIT SWITCH
(Underside of Scale)
oz
g
ON/OFF
TARE
MODE
POWER
TARE
oz
g
ON/OFF
TARE
oz
g
User Guide is designed to get you up and running quickly
with your scale. Scales are precision instruments and
require proper care and skill to get the best results. If you
have questions or need support, visit us at obscales.com/
support or scan the QR Code on the back of this manual
using your smartphone.
What’s In The Box
User Guide
Two AA
Batteries
KB Series Digital Scale
with 1L Bowl
KB-2000 Key Descriptions
: POWER/TARE - Turns the scale ON or OFF. Press to
Zero/Tare the scale during weighing.
M : MODE - Changes the default
weighing unit.
KB-5000 Key Descriptions
: ON/OFF - Turns the scale ON or OFF.
: TARE - Zeros the scale. Also
subtracts the weight of an empty
container (see Tare Function).
WEIGHING UNIT SWITCH - Changes the
default weighing unit.
Weighing Your First Item
Radio Frequency
Interference
Unlevel Surfaces High Humidity
Radio Frequency
Interference
1. Press the ON/OFF key to
turn the scale on.
2. Place the item on the
centre of the weighing
platform.
3. Take your reading from the
display.
4. The Auto-O setting will
turn the scale o after
three minutes of inactivity or you can press the ON/
OFF key to turn the scale o.
Things To Avoid
Unlevel Surfaces
Air Currents
Radio Frequency
Interference
Vibration
High Humidity
Extreme Temps
Tare Function
oz
g
ON/OFF
TARE
oz
g
ON/OFF
POWER
TARE
KB-2000
KB-5000
The Tare function allows you to subtract the weight of a
container so that the display only shows the weight of the
contents. Containers left on the scale when powered on
are also zero’d out.
Place an empty tray
or container on the
platform.
Press the TARE
key to subtract the
container’s weight.
Add items to the
container to see their
weight on the display.
NOTE: The weight of the container will subtract from
the available capacity and will leave a negative value
on the display once the weight is removed. Press
TARE again to return the display to zero.
Accuracy
Your scale comes calibrated from the factory and most
users won’t need to calibrate their scale for a long time.
You should check your scale’s accuracy periodically using
calibration weights and perform calibration if necessary.
NOTE: Only use trusted calibration weights.
Household items such as bottles and cans with
weights printed on the side are not suitable for
checking accuracy as these values are approximate
and don’t include the container weight (Net Weight).
Calibration
Calibration adjustment is permanent and should
only be performed using accurate calibration
weights that match the requirements for your scale
(see the chart on back). Do not use coins or other
household items to calibrate.
KB-2000 (2000g x 0.1g)
1. Prepare a 2kg calibration weight.
2. Find a at and level surface to perform calibration and
let the scale adjust to room temperature.
3. Press POWER to turn the scale on and wait for the
scale to stabilise.
4. Press and hold the MODE key until ‘CAL’ is displayed.
5. Make sure nothing is on the platform then press
MODE to conrm the zero point.
6. The display will then ash ‘2000.0g’.
7. Place a 2kg calibration weight on the centre of the
platform.
8. The display will show ‘PASS’. Calibration is complete!
KB-5000 (5000g x 1g)
1. Prepare a 5kg calibration weight.
2. Find a at and level surface to perform calibration and
let the scale adjust to room temperature.
3. With the scale OFF, press and hold the ON/OFF key
and TARE key at the same time, then the display shows
CAL followed by a random number.
4. Make sure nothing is on the platform then press TARE
to conrm the zero point.
5. The display will then ash ‘5000g’.
6. Place a 5kg calibration weight on the centre of the
platform.
7. The display will show ‘PASS’. Calibration is complete!
KB-2000 KB-5000
Max Capacity
Readability
Weighing
Units
Dimensions
Calibration
Weight
Power 2 x AA Batteries
Warranty 10 Year Limited Warranty
For more information, including
weighing tips and support, scan
this code with your smartphone
Or visit us online at
www.obscales.com/support/
2000 g / 70.55 oz /
1286.0 dwt / 10000 ct
0.1 g / 0.01 oz /
0.1 dwt / 0.5 ct
g, oz, dwt, ct kg:g, lb:oz
Overall: 178 mm x 178 mm x 48 mm
Platform: Ø 132 mm
Bowl Volume: 1 Litre
Display: 36 mm x 12 mm
2 kg 5 kg
5 kg : 0 g / 11 lb : 0 oz
1 g / 0.1 oz
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