KERN EFC 30K-3 Manuale utente
2 TEFC_A-BA-e-2110
GB
KERN EFC
Ver. 1.0 2021-06
User manual
Platform scales
Contents
1Technical specification............................................................................................4
2Declaration of Conformity........................................................................................8
3Device overview......................................................................................................9
3.1 Parts .................................................................................................................9
3.2 Keyboard ........................................................................................................10
3.2.1 Introducing the numerical value ...............................................................11
3.3 Symbol ...........................................................................................................11
4Basic instructions (general information) ................................................................12
4.1 Intended use...................................................................................................12
4.2 Non-intended use ...........................................................................................12
4.3 Guarantee ......................................................................................................12
4.4 Testing equipment supervision.......................................................................13
5Basic safety instructions........................................................................................13
5.1 Compliance with the instructions included in the user manual .......................13
5.2 Personnel training...........................................................................................13
6Transport and storage...........................................................................................13
6.1 Checking during reception..............................................................................13
6.2 Packaging / return transport ...........................................................................13
7Unpacking, positioning and start-up......................................................................14
7.1 Installation place, operation place ..................................................................14
7.2 Unpacking and check .....................................................................................14
7.3 Installation, setting and leveling......................................................................15
7.4 Pin use for the connection cable ....................................................................16
7.5 Power supply..................................................................................................17
7.6 Rechargeable battery operation .....................................................................17
7.6.1 Battery charging.......................................................................................18
7.7 Connecting peripherals...................................................................................18
7.8 First start ........................................................................................................18
7.9 Adjustment .....................................................................................................18
TEFC_A-BA-e-2110 3
8Operation ..............................................................................................................20
8.1 Switching on/off ..............................................................................................20
8.2 Zeroing ...........................................................................................................20
8.3 Ordinary weighing...........................................................................................20
8.4 Weighing with tare..........................................................................................21
8.5 Weight unit switching......................................................................................21
8.6 Counting the number of pieces.......................................................................22
8.7 Test weighing .................................................................................................23
8.7.1 Test weighing...........................................................................................23
8.7.2 Check counting ........................................................................................26
8.8 Summing ........................................................................................................28
8.9 Animal weighing .............................................................................................29
9Setup menu...........................................................................................................30
10 RS-232 interface................................................................................................32
10.1 Technical specification ................................................................................32
10.2 Protocol template (KERN YKB-01N) ...........................................................32
10.3 Printout protocol (continuous data transmission) ........................................32
11 Maintenance, service and disposal....................................................................33
11.1 Cleaning......................................................................................................33
11.2 Maintenance and service ............................................................................33
11.3 Disposal ......................................................................................................33
12 Error messages .................................................................................................33
13 Help for any minor failures.................................................................................34
4 TEFC_A-BA-e-2110
1 Technical specification
KERN EFC 30K-3 EFC 30K-3L
Product number / type TEFC 30K-3-A TEFC 30K-3L-A
Interval (d) 0.002 kg 0.002 kg
Weighing range (Max) 30 kg 30 kg
Reproducibility 0.005 kg/0.01 kg 0.005 kg/0.01 kg
Linearity ±0.004 kg (2 d) ±0.004 kg (2 d)
Minimum piece weight when
counting the number of piec-
es in laboratory conditions*
1 g (0.5 d) 1 g (0.5 d)
Minimum piece weight when
counting the number of piec-
es in standard conditions**
10 g 10 g
Recommended
adjustment weight
(not delivered)
30 kg (M1) 30 kg (M1)
Possible adjustment points 10–100% Max 10–100% Max
Settling time (standard) 3 s
Heating time 30 min
Weight units kg, g, lb, oz, PCS
Air humidity max. 80%, relative (non-condensing)
Permissible
ambient temperature 0°C to +40°C
Input voltage
of the device 5 V, 1 A
Input voltage of
the power supply 100–240 VAC; 50/60 Hz
Battery 3.7 V / 4 Ah
Rechargeable
battery operation
operating time 80 h (illumination off)
operating time 50 h (illumination on)
charging time ca. 5 h
Display housing
dimensions [mm] 252 × 162 × 57 (width × depth × height)
Scale plate,
stainless steel [mm]
400 × 300 × 124 mm 500 × 400 × 120 mm
Net weight [kg] 17 kg 19 kg
Interface RS-232
TEFC_A-BA-e-2110 5
KERN EFC 60K-3 EFC 60K-3L
Product number / type TEFC 60K-3-A TEFC 60K-3L-A
Interval (d) 0.005 kg 0.005 kg
Weighing range (Max)
60 kg
60 kg
Reproducibility 0.001 kg/0.002 kg 0.001 kg/0.002 kg
Linearity ±0.01 kg (2 d) ±0.01 kg (2 d)
Minimum piece weight when
counting the number of pieces
in laboratory conditions*
2.5 g (0.5 d) 2.5 g (0.5 d)
Minimum piece weight when
counting the number of pieces
in standard conditions**
25 g 25 g
Recommended
adjustment weight
(not delivered)
60 kg (F2) 60 kg (F2)
Possible adjustment points 10–100% Max 10–100% Max
Settling time (standard)
3 s
Heating time 30 min
Weight units
kg, g, lb, oz, PCS
Air humidity
max. 80%, relative (non-condensing)
Permissible
ambient temperature 0°C to +40°C
Input voltage
of the device 5 V, 1 A
Input voltage of
the power supply 100–240 VAC; 50/60 Hz
Battery 3.7 V / 4 Ah
Rechargeable
battery operation
operating time 80 h (illumination off)
operating time 50 h (illumination on)
charging time ca. 5 h
Display housing
dimensions [mm] 252 × 162 × 57 (width × depth × height)
Scale plate,
stainless steel [mm]
400 × 300 × 124 mm 500 × 400 × 120 mm
Net weight [kg] 17 kg 19 kg
Interface RS-232
6 TEFC_A-BA-e-2110
KERN EFC 100K-3 EFC 100K-3L EFC 300K-2
Product number / type TEFC 100K-3-A TEFC 100K-3L-A TEFC 300K-2-A
Interval (d) 0.01 kg 0.01 kg 0.02 kg
Weighing range (Max)
150 kg
150 kg
300 kg
Reproducibility 0.002 kg/0.005 kg 0.002 kg/0.005 kg 0.05 kg/0.1 kg
Linearity ±0.02 kg (2 d) ±0.02 kg (2 d) ±0.04 kg (2 d)
Minimum piece weight when
counting the number of piec-
es in laboratory conditions*
5 g (0.5 d) 5 g (0.5 d) 10 g (0.5 d)
Minimum piece weight when
counting the number of piec-
es in standard conditions**
50 g 50 g 100 g
Recommended
adjustment weight
(not delivered)
150 kg (F2) 150 kg (F2) 300 kg (M1)
Possible adjustment points 10–100% Max 10–100% Max 10–100% Max
Weight units
kg, g, lb, oz, PCS
Settling time (standard) 2 s
Heating time
30 min
Air humidity
max. 80%, relative (non-condensing)
Permissible
ambient temperature 0°C to +40°C
Input voltage
of the device 5 V, 1 A
Input voltage of
the power supply 100–240 VAC; 50/60 Hz
Battery 3.7 V / 4 Ah
Rechargeable
battery operation
operating time 80 h (illumination off)
operating time 50 h (illumination on)
charging time ca. 5 h
Display housing
dimensions [mm] 252 × 162 × 57 (width × depth × height)
Scale plate,
stainless steel [mm]
500 × 400 × 120 mm 600 × 500 × 140 mm 600 × 500 × 140 mm
Net weight [kg] 19 70 70
Interface RS-232
* Minimum piece weight when counting the number of pieces in laboratory conditions:
There are optimum ambient conditions to count pieces with high resolution
No diversification of the counted pieces’ weight
**Minimum piece weight when counting the number of pieces in standard conditions:
There are unsteady ambient conditions (wind gusts, vibrations)
There is diversification of the counted pieces’ weight
TEFC_A-BA-e-2110 7
Dimensions:
Models EFC 30K-3, EFC 60K-3:
Models EFC 30K-3L, EFC 60K-3L, EFC 100K-3:
Models EFC 100K-3L, EFC 300K-2:
8 TEFC_A-BA-e-2110
2 Declaration of Conformity
The valid Declaration of Conformity EC/UE is available at:
www.kern-sohn.com/ce
TEFC_A-BA-e-2110 9
3 Device overview
3.1 Parts
Item Name
1 Display housing
2 Display
3 Keyboard
4 Support
5 Scale plate
6 Leveling screw foot
7 RS-232 interface
8 Connection cable port
9 Guide rail
10 Limiter
11 Power supply socket
10 TEFC_A-BA-e-2110
3.2 Keyboard
Button Name Function in the operating
mode
Menu function
PRINT
button
Weight data transfer via
the interface
Activating the animal
weighing mode (by press-
ing and holding the but-
ton)
TOL but-
ton
Activating test weighing
Setting the indication con-
ditions and limit values for
test weighing (by pressing
and holding the button)
MODE
button
Activating the piece count-
ing mode
Displaying the configuration
menu
(by pressing and holding the
button)
Leaving menu / return to the
weighing mode
Mbutton
Summing
Displaying the “total” val-
ue
Selecting the menu items
Setting confirmation
TARE
button Taring Setting selection
ZERO
button Zeroing
ON/OFF
button Switching on/off
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