KERN & SOHN TAB 20-3 User Manual
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
email: info@kern-sohn.com
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Instruction Manual
Pocket scale
KERN TAB
Version 1.1
03/2013
GB
TAB-BA-e-1311
2
GB
KERN TAB
Version 1.1 03/2013
Instruction Manual
Pocket scale
Contents
1 Technical data ................................................................................................ 3
2 Basic Information (General) .......................................................................... 4
2.1 Proper use ................................................................................................................................. 4
2.2 Improper Use............................................................................................................................. 4
2.3 Warranty .................................................................................................................................... 4
2.4 Monitoring of Test Resources ................................................................................................. 4
3 Basic Safety Precautions .............................................................................. 5
3.1 Pay attention to the instructions in the Operation Manual .................................................. 5
3.2 Personnel training .................................................................................................................... 5
4 Transportation & Storage .............................................................................. 5
4.1 Testing upon acceptance ........................................................................................................ 5
4.2 Packaging .................................................................................................................................. 5
5 Appliance overview ....................................................................................... 6
6 Unpacking, Setup and Commissioning ....................................................... 7
6.1 Installation Site, Location of Use ............................................................................................ 7
6.2 Unpacking ................................................................................................................................. 7
6.2.1 Scope of delivery ........................................................................................................................ 7
6.3 Battery operation and change ................................................................................................. 8
6.4 Initial Commissioning .............................................................................................................. 8
6.5 Adjustment ................................................................................................................................ 8
6.6 Adjusting ................................................................................................................................... 8
7 Operation Mode ............................................................................................. 9
7.1 Keyboard overview ................................................................................................................... 9
7.2 Operation ................................................................................................................................. 10
7.2.1 Weighing ................................................................................................................................... 10
7.2.2 Taring........................................................................................................................................ 11
7.2.3 External weighing units ............................................................................................................. 12
7.3 Display background illumination .......................................................................................... 12
8 Service, maintenance, disposal .................................................................. 13
8.1 Cleaning................................................................................................................................... 13
8.2 Service, maintenance ............................................................................................................. 13
8.3 Disposal ................................................................................................................................... 13
9 Instant help ................................................................................................... 14
TAB-BA-e-1311
3
KERN
TAB 20-3
Weighing range (max)
20 g
Readability (d)
0.001 g
Recommended adjustment weight,
added
10 g
(F2)
Weighing Units
ct, g, gn
Stabilization time (typical)
3 sec.
Operating temperature
+ 10° C …. + 30° C
Humidity of air
15 % - 80 % (non-condensing)
Dimensions of the housing
(W x D x H) [mm]
95 x 133 x 33
Weighing plate [mm]
Ø 18
Weight (net)
200 g
1 Technical data
TAB-BA-e-1311
4
2 Basic Information (General)
2.1 Proper use
The balance you purchased is intended to determine the weighing value of material
to be weighed. It is intended to be used as a “non-automatic“ balance, i.e. the
material to be weighed is manually and carefully placed in the centre of the weighing
plate. As soon as a stable weighing value is reached the weighing value can be read.
2.2 Improper Use
Do not use balance for dynamic weighing. In the event that small quantities are
removed or added to the material to be weighed, incorrect weighing results can be
displayed due to the “stability compensation“ in the balance. (Example: Slowly
draining fluids from a container on the balance.)
Do not leave permanent load on the weighing plate. This may damage the
measuring system.
Impacts and overloading exceeding the stated maximum load (max) of the balance,
minus a possibly existing tare load, must be strictly avoided. Balance may be
damage by this.
Never operate balance in explosive environment. The serial version is not explosion
protected.
The structure of the balance may not be modified. This may lead to incorrect
weighing results, safety-related faults and destruction of the balance.
The balance may only be used according to the described conditions. Other areas of
use must be released by KERN in writing.
2.3 Warranty
Warranty claims shall be voided in case
Our conditions in the operation manual are ignored
The appliance is used outside the described uses
The appliance is modified or opened
Mechanical damage and damage caused by media, liquids
natural wear and tear
The appliance is improperly set up or incorrectly electrically connected
The measuring system is overloaded
2.4 Monitoring of Test Resources
In the framework of quality assurance the measuring-related properties of the
balance and, if applicable, the testing weight, must be checked regularly. The
responsible user must define a suitable interval as well as type and scope of this
test. Information is available on KERN’s home page (www.kern-sohn.com) with
regard to the monitoring of balance test substances and the test weights required for
this. In KERN’s accredited DKD calibration laboratory test weights and balances may
be calibrated (return to the national standard) fast and at moderate cost.
TAB-BA-e-1311
5
Carefully read this operation manual before setup and
commissioning, even if you are already familiar with KERN
balances.
Versions in other languages are non-binding translations.
The only binding version is the original document in German.
Keep all parts of the original packaging for a possibly
required return.
Only use original packaging for returning.
Prior to dispatch disconnect all cables and remove
loose/mobile parts.
Reattach possibly supplied transport securing devices.
Secure all parts such as the glass wind screen, the
weighing platform, power unit etc. against shifting and
damage.
3 Basic Safety Precautions
3.1 Pay attention to the instructions in the Operation Manual
3.2 Personnel training
The appliance may only be operated and maintained by trained personnel.
4 Transportation & Storage
4.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the
appliance itself when unpacking for possible visible damage.
4.2 Packaging
TAB-BA-e-1311
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