KERN GAB-P Operating Manual
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating manual
Table scales
KERN GAB-P
Version 1.1
03/2014
GB
GAB-P-BA-e-1411
GB
KERN GAB-P
Version 1.1 03/2014
Operating manual
Table scale
Contents
1 TECHNICAL DATA ............................................................................................. 4
2 APPLIANCE OVERVIEW ................................................................................... 6
2.1 Overview of display .................................................................................................................. 8
2.2 Keyboard overview ................................................................................................................... 9
2.3 Dimensions ............................................................................................................................. 11
3 BASIC INFORMATION (GENERAL) ................................................................ 11
3.1 Proper use ............................................................................................................................... 11
3.2 Improper Use........................................................................................................................... 11
3.3 Warranty .................................................................................................................................. 12
3.4 Monitoring of Test Resources ............................................................................................... 12
4 BASIC SAFETY PRECAUTIONS ..................................................................... 13
4.1 Pay attention to the instructions in the Operation Manual ................................................ 13
4.2 Personnel training .................................................................................................................. 13
5 TRANSPORT AND STORAGE ......................................................................... 13
5.1 Testing upon acceptance ...................................................................................................... 13
5.2 Packaging / return transport ................................................................................................. 13
6 UNPACKING, SETUP AND COMMISSIONING ............................................... 14
6.1 Installation Site, Location of Use .......................................................................................... 14
6.2 Unpacking / installation ......................................................................................................... 15
6.3 Scope of delivery .................................................................................................................... 16
6.4 Mains connection ................................................................................................................... 16
6.5 Rechargeable battery operation ............................................................................................ 16
6.6 Initial Commissioning ............................................................................................................ 16
6.7 Adjustment .............................................................................................................................. 17
6.8 Non-verifiable models: ........................................................................................................... 18
6.9 Verifiable models: ................................................................................................................... 18
6.10 Verification .............................................................................................................................. 19
6.10.1 Position of seals and adjusting switch ............................................................................. 20
6.11 Checking the balance verification settings ......................................................................... 20
2 GAB-P-BA-e-1411
7 OPERATION ..................................................................................................... 21
7.1 Switching on/off ...................................................................................................................... 21
7.2 Zeroing..................................................................................................................................... 21
7.3 Taring ....................................................................................................................................... 22
7.4 Overload warning ................................................................................................................... 23
7.5 Weighing units switch-over ................................................................................................... 23
7.6 Percent weighing .................................................................................................................... 24
7.7 Parts counting ........................................................................................................................ 25
7.8 Weighing with tolerance range ............................................................................................. 26
7.9 Manual totalizing .................................................................................................................... 28
7.10 Automatic adding-up .............................................................................................................. 30
8 THE MENU ........................................................................................................ 32
8.1 Navigation in the menu: ......................................................................................................... 32
8.2 Menu overview ........................................................................................................................ 33
8.2.1 Non-verifiable models:.......................................................................................................... 33
8.2.2 Verifiable models: ................................................................................................................. 34
9 PRINTER ........................................................................................................... 36
9.1 Change paper roll ................................................................................................................... 36
10 DATA OUTPUT RS 232C .............................................................................. 37
10.1 Technical data ......................................................................................................................... 37
10.2 Pin allocation of the bala nce output socket (front view) .................................................... 37
10.3 Remote control instructions .................................................................................................. 37
11 MAINTENANCE, SERVICING, REMOVAL, ERROR MESSAGES ............... 38
11.1 Clean ........................................................................................................................................ 38
11.2 Servicing, maintenance ......................................................................................................... 38
11.3 Disposal ................................................................................................................................... 38
11.4 Error messages ....................................................................................................................... 38
12 DECLARATION OF CONFORMITY .............................................................. 39
GAB-P-BA-e-1411 3
1 Technical data
KERN GAB 6K-5P GAB 10K-4P GAB 30K-4P
Weighing range (max) 6 kg 12 kg 30 kg
Readability (d) 0.05 g 0.1 g 0.2 g
Reproducibility 0.05 g 0.1 g 0.2 g
Linearity ± 0.15 g ± 0.3 g ± 0.6 g
Stabilization time 2 s 2 s 2 s
Recommended adjusting
weight (not supplied)
6 kg (F2) 12 kg (F2) 30 kg (M1)
Heating time (operating
temperature)
120 min
Net weight (kg) 6 kg
Dimensions of housing
(l x L x h) [mm]
371 x 366 x 131
Weighing plate, stainless
steel
365 x 240 x 11 mm
Weighing Units kg, t, lb, oz
Permissible
ambient condition
-10° C to 40° C
Allowable air humidity 0 % - 80 % (non-condensing)
Electric Supply
Mains adapter 220 V - 240 V AC, 50 Hz
balance 12 V, 500 mA
Rechargeable battery
6 V, 10 Ah
Operating period without printer – back ground lighting on 80 h.
Operating period without printer – back ground lighting off 150 h
if the printer is used frequently, the operating time will be halved
Loading time approx. 12 hrs.
Data interface RS 232C
4 GAB-P-BA-e-1411
KERN GAB 6K-3PM GAB 10K-3PM GAB 30K-3PM
Weighing range (max) 3 kg / 6 kg 6 kg / 15 kg 15 kg / 30 kg
Readability (d)
1 g / 2 g
2 g / 5 g
5 g / 10 g
Minimum load 20 g 40 g 100 g
Verification value 1 g / 2 g 2 g / 5 g 5 g / 10 g
Verification class III III III
Reproducibility
1 g /2 g
2 g / 5 g
5 g / 10 g
Linearity ± 1 g / 2 g ± 2 g / 5 g ± 5 g / 10 g
Stabilization time 2 s 2 s 2 s
Recommended adjusting
weight (not supplied)
6 kg (M1) 15 kg (F2) 30 kg (M1)
Heating time (operating
temperature)
10 min / 10 min
Net weight (kg) 6 kg
Dimensions caisse
(l x L x h) [mm]
371 x 366 x 131
Weighing plate, stainless
steel
365 x 240 x 11 mm
Weighing Units g, kg
Permissible
ambient condition
-10° C to 40° C
Allowable air humidity 0 % - 80 % (non-condensing)
Electric Supply
Mains adapter 110 – 230 V AC
Balance 12 V DC, 500mA
Rechargeable battery
6 V, 10 Ah
Operating period without printer – back ground lighting on 80 h.
Operating period without printer – background lighting off 150 h
if the printer is used frequently, the operating time will be halved
Loading time approx. 12 hrs.
Data interface RS 232C
GAB-P-BA-e-1411 5
2 Appliance overview
1. Weighing pan
2. Printer
3. Buttons
4. Bubble level
5. RS 232 interface
6. Battery compartment
6 GAB-P-BA-e-1411
7. Transport guard screw
8. Levelling screw
9. Connection of mains adapter
10. ON/OFF switch
11. Seal of verifiable models
12. Seal with an underneath verification switch
(verifiable models)
GAB-P-BA-e-1411 7
2.1 Overview of display
Display Description Description
1
The battery capacity
display
appears when the capacity of the battery is
getting low
2
Stability display Scales are in a steady state
3
weighing units selectable Non-verifiable models: kg, t, lb, oz
Verifiable models: g, kg
4
GROSS
Gross weight display Showing gross weight
NET
Net weight display Displays the net weight
ZERO
Zeroing display Should the balance not display exactly zero
despite empty scale pan, press the
0
button. The balance will be set to zero after a
short standby time.
TARE
Taring Scales have been tared
AUTO
Automatic adding-up Is displayed if in t he m enu „ Aut om atic
totalizing“ has been selected
5
LO
OK
HI
Tolerance check
Check weighing
Load above (HI), below (LO) or within (OK)
tolerance range
8 GAB-P-BA-e-1411
1 2
2.2 Keyboard overview
1. Bubble level
Level balance with foot screws until the air bubble of the
water balance is in the prescribed circle.
2. Storage battery status display
Power supply connected Icon is glowing for power supply via power pack
• If the LED lights green, the rechargeable battery is fully charged.
• When the battery is being recharged, the LED lights red
GAB-P-BA-e-1411 9
Selection Function
F
In piece counting mode change between refer ence weight - item
number - total weight
UNIT In weighing mode: Weighing units switch-over
PRINT
• Data transfer via interface
• Save value to memory if memory
function “automatic“, is disabled
• In menu: Select main menu items
Call up menu: Press both
buttons at the same time
ESC Return to weighing mode
Changes between weighing mode and quantity counting mode
C
• Delete displayed value
• In menu: Return to weighing mode
%
Call up percent weighing
Move to the left by one decimal point
TOL Enter upper, lower or both limits
Move to the right by one decimal point
TARE
• Tare balance and enter pre-tare value
• In menu: Select submenus
Increase displayed value
• Reset scales to zero
• In menu: Save selected setting
Confirm entered value or select funct ion
10 GAB-P-BA-e-1411
2.3 Dimensions
3 Basic Information (General)
3.1 Proper use
The balance acquired by you serves to determine weight. 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 pan. As soon as the goods to be weighed are
placed on the balance and the weight has been displayed.
3.2 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“. (Example: Slowly draining fluids from a
container on the balance.)
Do not leave permanent load on the weighing pan. 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.
GAB-P-BA-e-1411 11
3.3 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 or damage by media, liquids, natural wear and tear
• The appliance is improperly set up or incorrectly electrically connected
• The measuring system is overloaded
3.4 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.(www.kern-sohn.com). In KERN's accredited DKD calibration laboratory test
weights and balances may be calibrated (return to the national standard) fast and at
moderate cost.
12 GAB-P-BA-e-1411
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