KERN & SOHN FFN 25K10IPM User Manual
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
email: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating instructions
Compact balance
KERN FFN-N
Version 2.3
08/2013
GB
FFN-N-BA-e-1323
GB
KERN FFN-N
Version 2.3 08/2013
Operating instructions
Compact balance
Table of Contents
1 Technical Data ................................................................................................ 4
1.1 Dimensions .................................................................................................................................. 6
2 Appliance Overview ........................................................................................ 7
2.1 Overview of displays .................................................................................................................... 7
2.1.1 Not verifiable models ............................................................................................................... 7
2.1.2 Verifiable models ..................................................................................................................... 7
2.2 Keyboard Overview ..................................................................................................................... 9
3 Basic Information ......................................................................................... 10
3.1 Proper use ................................................................................................................................. 10
3.2 Improper use.............................................................................................................................. 10
3.3 Warranty .................................................................................................................................... 10
3.4 Monitoring of Test Resources .................................................................................................... 10
4 Basic Safety Precautions ............................................................................. 11
4.1 Pay attention to the instructions oft the Operation Manual ....................................................... 11
4.2 Personnel training ...................................................................................................................... 11
5 Transportation & Storage............................................................................. 11
5.1 Testing upon acceptance .......................................................................................................... 11
5.2 Packaging / return transport ...................................................................................................... 11
6 Unpacking, Setup and Commissioning ...................................................... 12
6.1 Installation Site, Location of Use ............................................................................................... 12
6.2 Unpacking and implantation ...................................................................................................... 13
6.2.1 Scope of supply ..................................................................................................................... 15
6.3 Battery power supply ................................................................................................................. 15
6.3.1 Mains connection during rechargeable battery operation ..................................................... 17
6.4 Initial Commissioning ................................................................................................................. 18
6.5 Protection type IP65 .................................................................................................................. 18
7 Adjustment .................................................................................................... 18
7.1 Adjustment ................................................................................................................................. 18
7.1.1 Adjusting non-verifiable models............................................................................................. 19
7.1.2 Adjusting verifiable models .................................................................................................... 20
7.2 Verification ................................................................................................................................. 21
7.2.1 Adjustment switch and seals ................................................................................................. 22
FFN-N-BA-e-1323 2
8 Operation ....................................................................................................... 23
8.1 Weighing .................................................................................................................................... 23
8.2 Taring ......................................................................................................................................... 23
8.3 Weighing units switch-over ........................................................................................................ 24
8.4 Background illumination ............................................................................................................ 24
9 The menu ....................................................................................................... 25
9.1 Navigation in the menu .............................................................................................................. 25
9.2 Menu overview........................................................................................................................... 26
9.3 Set auto-OFF function ............................................................................................................... 27
9.4 Setting the Multi-Tare function................................................................................................... 28
10 Error messages ............................................................................................. 29
11 Instant Help ................................................................................................... 30
12 Service, maintenance, disposal ................................................................... 31
12.1 Cleaning ..................................................................................................................................... 31
12.2 Service, maintenance ................................................................................................................ 31
12.3 Disposal ..................................................................................................................................... 31
13 Declaration of –Conformity .......................................................................... 32
3 FFN-N-BA-e-1323
1 Technical Data
KERN
FFN
1K-4N
FFN
3K0.5IPN
FFN
6K1IPN
FFN
15K2IPN
FFN
25K5IPN
Weighing range (max)
1,5 kg
3 kg
6 kg
15 kg
25 kg
Readability (d)
0,2 g
0,5 g
1 g
2 g
5 g
Reproducibility
0,2 g
0,5 g
1 g
2 g
5 g
Linearity
0,4 g
1 g
1 g
4 g
10 g
Recommended adjustment
weight, not added (class)
1,5 kg
(M3)
3 kg
(M3)
6 kg
(M3)
15 kg
(M3)
25 kg
(M3)
Stabilization time (typical)
2 sec.
Units
kg, lb
Warm-up time
30 min.
Electric Supply
Supply voltage: 110V-230V AC
Mains adapter: 12 V, 500 mA
Battery power supply
Operating period: Background lighting on: 30 h
Background lighting off: 50 h
Loading time: 12 h
Auto-off (Rechargeable
battery)
15 min., 5 min., 3 min., off
Display mode
LCD, digit size 25 mm
Operating temperature
0° C …. + 40° C
Humidity of air
25 % - 95 % (non-condensing)
Weighing plate dimensions
(stainless steel) (mm)
230 x 190
Casing dimensions
230 x 300 x 130
Total dimensions mounted
(mm)
230 x 300 x 130
Weight kg (net)
3,2
IP protection
IP65
(Only during operation on battery power)
FFN-N-BA-e-1323 4
KERN
FFN
1K-4NM
FFN
3K1IPM
FFN
6K2IPM
FFN
15K5IPM
FFN
25K10IPM
Weighing range (max)
1,5 kg
3 kg
6 kg
15 kg
25 kg
Readability (d)
0,5 g
1 g
2 g
5 g
10 g
Minimum weight
10 g
20 g
40 g
100 g
200 g
Verification values (e)
1 g
1 g
2 g
5 g
10 g
Accuracy class
III
III
III
III
III
Reproducibility
1 g
1 g
2 g
5 g
10 g
Linearity
1 g
1 g
2 g
5 g
10 g
Recommended adjustment
weight, not added (class)
1,5 kg
(M1)
3 kg
(M3)
6 kg
(M3)
15 kg
(M3)
25 kg
(M3)
Stabilization time (typical)
2 sec.
Units
kg, g
Anwärmzeit
10 min.
Electric Supply
Supply voltage: 110V-230V AC
Mains adapter: 12 V, 500 mA
Battery power supply
Operating period: Background lighting on: 30 h
Background lighting off: 50 h
Loading time: 12 h
Auto-off (Rechargeable
battery)
15 min., 5 min., 3 min., off
Display mode
LCD, digit size 25 mm
Operating temperature
-10° C …. + 40° C
Humidity of air
25 % - 95 % (non-condensing)
Weighing plate dimensions
(stainless steel) (mm)
230 x 190
Casing dimensions
230 x 300 x 130
Total dimensions mounted
(mm)
230 x 300 x 130
Weight kg (net)
3,2
IP protection
IP65
(Only during operation on battery power)
5 FFN-N-BA-e-1323
1.1 Dimensions
FFN-N-BA-e-1323 6
2 Appliance Overview
2.1 Overview of displays
2.1.1 Not verifiable models
2.1.2 Verifiable models
7 FFN-N-BA-e-1323
Display
Designation
Description
Zeroing display
Should the balance not display exactly zero
despite empty scale pan, press the
button. Will be reset to zero after short waiting
time.
Stability display
Scales are in a steady state
Net weight display
Net weight will be displayed
Capacity display
Rechargeable battery
Rechargeable battery almost empty, please
connect power pack
Power supply connected
Icon is glowing for power supply via power pack
Display weighing unit kg
Displayed weight in kg
(only in not
verifiable
units)
Display weighing unit lb
Displayed weight in lb
(only in
verifiable
units)
Display weighing unit g
Displayed weight in g
FFN-N-BA-e-1323 8
Button
Designation
Function
in the menu
ON/OFF-switch
Turn on/off
TARE button
Tare balance
Call up menu
Change to the next
menu item /parameter
Zero setting key
Balance set at zero
Select menu item /
parameter
+
TARE + ZERO-key
Change units
2.2 Keyboard Overview
9 FFN-N-BA-e-1323
3 Basic Information
3.1 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.
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“ 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
damaged 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.
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. In
KERN’s accredited DKD calibration laboratory test weights and balances may be
calibrated (return to the national standard) fast and at moderate cost.
FFN-N-BA-e-1323 10
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