KERN EMS 12K1 Weighing Scale Owner’s Manual

BALANCES & TEST SERVICE 2023
SCHOOL BALANCES

Entry level model in the low-cost range with large weighing plate

Features

• Especially suitable for use in schools and universities, for example for biology, chemistry, physics
• Large, shock proof weighing plate made of plastic
• Particularly flat design
• Ergonomically optimised key pad with large keys and a high-contrast LCD display
• Secure and non-slip positioning with rubber feet
• Adjusting program CAL for quick setting of the balance accuracy, external test weights at an additional price, see Test weights
• 1 Draught shield standard for models with weighing plate size A , weighing space W×D×H 145×145×65 mm
• Suitable for common school LIMS systems

Technical data

• Large LCD display, digit height 25 mm
• Dimensions weighing surface A ∅ 105 mm, plastic, with conductive lacquer B W×D 175×190 mm, plastic
• Overall dimensions W×D×H 200×280×63 mm
• Optional battery operation, 9 V block not included in scope of delivery, operating time up to 40 h
• Mains adapter external, standard
• Net weight approx. 1,4 kg
• Permissible ambient temperature 5 °C/35 °C

Accessories

• 2 Stainless steel weighing plate, only for models with weighing plate size B, KERN EMS-A01

Model
KERN| Weighing capacity  [Max]
g| Readability  [d]
g| Reproducibility
g| Linearity
g| Weighing plate| Option DAkkS Calibr. Certificate
DAKKS KERN
---|---|---|---|---|---|---
EMS 300-3| 300| 0,001| 0,002| ± 0,005| A| 963-127
EMS 3000-2| 3000| 0,01| 0,02| ± 0,05| B| 963-127
EMS 6K0.1| 6000| 0,1| 0,1| ± 0,3| B| 963-128
EMS 12K0.1| 12000| 0,1| 0,1| ± 0,3| B| 963-128
EMS 6K1| 6000| 1| 1| ± 3| B| 963-128
EMS 12K1| 12000| 1| 1| ± 3| B| 963-128

Internal adjusting:
Quick setting up of the balance‘s accuracy with internal adjusting weight (motor driven)
Adjusting program CAL:
For quick setting up of the balance‘saccuracy. External adjusting weight required
Easy Touch:
Suitable for the connection, data transmission and control through PCor tablet.
Memory:
Balance memory capacity, e.g. for article data, weighing data, tare weights, PLU etc.
Alibi memory:
Secure, electronic archiving of weighingresults, complying with the 2014/31/EUstandard.
KERN Universal Port (KUP):
allows the connection of external KUPinterface adapters, e.g. RS-232, RS-485, SB,Bluetooth, WLAN, Analogue, Ethernethe exchange of data and control commands,without installation effort
Data interface RS-232:
To connect the balance to a printer, PC or network
RS-485 data interface:
To connect the balance to a printer, PCor other peripherals. Suitable for dattransfer over large distances. Networin bus topology is possible
USB data interface:
To connect the balance to a printer, PC or other peripherals
*Bluetooth data interface:
To transfer data from the balance toa printer, PC or other peripherals
WiFi data interface:
To transfer data from the balance toa printer, PC or other peripherals
Control outputs
(optocoupler, digital I/O):
To connect relays, signal lamps, valves, etc.
Analogue interface:
to connect a suitable peripheral device for analogue processing of the measurements
Interface for second balance:
For direct connection of a second balance
Network interface:
For connecting the scale to an Ethernet network
KERN Communication Protocol (KCP):
It is a standardized interface command set for KERN balances and other instru ments,which allows retrieving and controlling all relevant parameters and functions of the
device. KERN devices featuring KCP are thus easily integrated with computers, industrial controllers and other digital systems
GLP/ISO log:
The balance displays weight, date and time, independent of a printer connection
GLP/ISO log:
With weight, date and time. Only with KERN printers.
Piece counting:
Reference quantities selectable.
Display can be switched from piece to weight
Recipe level A:
The weights of the recipe ingredients can be added together and the total weight of the recipe can be printed out
Recipe level B:
Internal memory for complete recipes with name and target value of the recipe ingredients. User guidance through display
Totalising level A:
The weights of similar items can be added together and the total can be printed out
Percentage determination:
Determining the deviation in % from the target value (100 %)
Weighing units:
Can be switched to e.g. nonmetric units. See balance model. Please refer to KERN‘s website for more details
Weighing with tolerance range:
(Checkweighing) Upper and lower limiting can be programmed individually, e.g. for sorting and dosing. The process is supported by an audible or visual signal, see the relevant model
Hold function:
(Animal weighing program) When the weighing conditions are un stable, a stable weight is calculated as an average value
Protection against dust and water splashes IPxx:
The type of protection is shown in the pictogram.
Suspended weighing:
Load support with hook on the underside of the balance
Battery operation:
Ready for battery operation. The battery type is specified for each device
Rechargeable battery pack:
Rechargeable set
Universal plug-in power supply:
with universal input and optional input socket adapters for
A) EU, CH, GB
B) EU, CH, GB, USA
C) EU, CH, GB, USA, AUS
Plug-in power supply:
230V/50Hz in standard version for EU, CH.
On request GB, USA or AUS version available
Integrated power supply unit:
Integrated in balance. 230V/50Hz standard EU. More standards e.g. GB, USA or AUS on request
Weighing principle: Strain gauges
Electrical resistor on an elastic deforming body
Weighing principle: Tuning fork
A resonating body is electromagnetically excited, causing it to oscillate
Weighing principle: Electromagnetic force compensation
Coil inside a permanent magnet.
For the most accurate weighings
Weighing principle: Single cell technology:
Advanced version of the force compensation principle with the highest level of precision
Verification possible:
The time required for verification is specified in the pictogram
DAkkS calibration possible (DKD):
The time required for DAkkS calibration is shown in days in the pictogram
Factory calibration (ISO):
The time required for Factory calibration is shown in days in the pictogram
Package shipment:
The time required for internal shipping preparations is shown in days in the pictogram
Pallet shipment:**
The time required for internal shipping preparations is shown in days in the pictogram

*The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by KERN & SOHN GmbH is under license. Other trademarks and trade names are those of their respective owners.

KERN & SOHN GmbH
· Ziegelei 1
· 72336 Balingen
· Germany
Tel. +49 7433 9933 - 0
www.kern-sohn.com 
info@kern-sohn.com

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