Related Manuals for KERN CH
Summary of Contents for KERN CH
- Page 1 Electronic Suspended Balance Translation Operating instructions / Logbook Version 2024-01 CH-BA-e-2440...
- Page 2 Druge jezikovne različice na Övriga språkversioner finns voljo na spletni strani här www.kern- www.kern- sohn.com/manuals sohn.com/manuals KERN & SOHN GmbH Ziegelei 1 72336 Balingen-Frommern Germany +0049-[0]7433-9933-0 +0049-[0]7433-9933-149 info@kern-sohn.com www.kern-sohn.com.
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Page 3: Table Of Contents
Rechargeable batteries and Batteries ............. 14 3.10 Safe working ................... 15 Overview of the device .............. 16 Components ................... 16 Keyboard ....................17 Display ....................17 Symbols on the device ................18 Transport, Handling and Storage ..........19 CH-BA-e-2440 en | 1... - Page 4 Cleaning, maintenance and servicing ........37 10.1 Cleaning ....................37 10.2 Maintenance and repair ................38 Disposal ................... 40 Warranty .................. 42 Errors and faults ..............43 13.1 Error messages ..................43 13.2 Faults ...................... 43 Drawing for maintenance ............44 2 | en CH-BA-e-2440...
- Page 5 Checklist „Regular maintenance“.......... 45 Spare parts and repairs ............47 Declaration of conformity ............48 CH-BA-e-2440 en | 3...
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Page 6: Introduction
… Square brackets are used to show buttons Example: [X]-button < > Angular brackets are used to show contents which appear on the display of the device (e.g. menu items, parameters, notifications, ...) Example: <MENU> 4 | en CH-BA-e-2440... - Page 7 Important and obligatory information describe highlighted facts which you must take into consideration and which always are valid (e.g. legal regulations or business terms). INFORMATION Here you find important obligatory information 1.2.4 Supplementary information, tips and recommendations Here you find supplementary information, tips or recommendations CH-BA-e-2440 en | 5...
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Page 8: Description Of The Device
As soon as a stable weighing value is reached, the weighing value can be read. Hand grip: The hand grip of the balance is provided for manual holding. The hand grip must not be connected with the load attachment devices. 6 | en CH-BA-e-2440... -
Page 9: Technical Data
Description of the device Technical data KERN CH 15K20 CH 50K50 CH 50K100 Item no./ Type CH 15K20 CH 50K50 CH 50K100 Readability (d) 20 g 50 g 100 g Weighing range (max.) 15 kg 50 kg 50 kg Taring range (subtractive) -
Page 10: Type Plate
Description of the device Type plate Example (the actual type plate may differ): Pos. Designation KERN logo Model designation Data for power supply Type/Article number Serial number Weighing range [Max] Company address Readability [d] Disposal mark Date of manufacture UKCA-symbol... -
Page 11: Dimensions
Description of the device Dimensions Dimensions in mm CH-BA-e-2440 en | 9... -
Page 12: General Safety Information
CAUTION The non-observance of the warning may cause light injury or transitory impairment (e.g. light cutting) of the operator or third parties NOTICE The non-observance of the warning may cause damage to material assets 10 | en CH-BA-e-2440... - Page 13 The symbol characterizes the type of risk. Indicates general danger or a dangerous site Warning of electrical voltage Warning of inflammable material Warning of explosive material Warning of suspended load Warning of falling loads CH-BA-e-2440 en | 11...
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Page 14: Improper Use
• Never operate the balance in explosive environment. • The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. • The balance must not be used for weighing persons. -
Page 15: Duties Of The Owner-Operator
The owner-operator will be responsible for injury to persons and damage to material assets, which result from such non-intended use. Messrs. KERN & SOHN cannot be held liable for any damage which results from an improper use of the device. -
Page 16: Environmental Conditions
Replace the rechargeable batteries and batteries with types recommended by the manufacturer. If possible, remove the rechargeable batteries and batteries and store them separated (protected against short-circuit) if the balance is not used for a longer time. Leaking battery liquid could damage the balance. 14 | en CH-BA-e-2440... -
Page 17: Safe Working
• Always avoid vibrations and horizontal forces. • Avoid any kind of shock, torsion and oscillating (e.g. caused by inclined suspending) • Lift the load only as far as necessary. CH-BA-e-2440 en | 15... -
Page 18: Overview Of The Device
Overview of the device Overview of the device Components Balance (Front view) Balance (Rear view) Pos. Designation Pos. Designation Display Battery compartment Keyboard Measuring tape Hooks 16 | en CH-BA-e-2440... -
Page 19: Keyboard
Description kg The current measuring unit is kilogram lb The current measuring unit is pound N The current measuring unit is Newton Marks the weight value depending on the active setting H1-H6 (see chap. 9.2). CH-BA-e-2440 en | 17... -
Page 20: Symbols On The Device
Observe the indication on the actual label (Exemplar illustration) The product conforms to the requirements of the German Product Safety Act. This product fulfills the valid European requirements. This product fulfills the valid requirements for England, Scotland and Wales. 18 | en CH-BA-e-2440... -
Page 21: Transport, Handling And Storage
Suspended balances, once having been used and showing traces of wear, cannot more be returned. The suspended balances have been sealed by KERN & SOHN. • The packaging is sealed by an adhesive tape. A broken seal will be considered as trace of wear and commits to purchase. -
Page 22: Assembly, Installation And Commissioning
Prior to commissioning, check the dimensions according to the „Drawings for maintenance“ in the appendix. Enter the measured dimensions in the checklist „Regular maintenance“ in the appendix. To check the dimensions, use always the same measuring principle and suitable test equipment. 20 | en CH-BA-e-2440... -
Page 23: Rechargeable Battery/Battery Operation
If possible, remove the rechargeable batteries and batteries and store them separated (protected against short-circuit) if the balance is not used for a longer time. Leaking battery liquid could damage the balance. CH-BA-e-2440 en | 21... -
Page 24: Initial Commissioning
During this warm-up time the balance must be connected to the power supply (mains, rechargeable battery or battery). The accuracy of the balance depends on the local acceleration of gravity. Strictly observe hints in chapter „Adjustment”. 22 | en CH-BA-e-2440... -
Page 25: Adjustment
INFORMATION • In the technical data you will find information about the adjustment weights recommended by KERN & SOHN. • Adjustment weights of different tolerance classes are allowed, but not optimal. The accuracy of the adjustment weight must correspond at least to or, if possible, be better than the readability [d] of the balance. - Page 26 Wait until the required adjustment weight is displayed Suspend the adjustment weight <F> is displayed If another message appears on the screen, an error may have occurred (see chapter „Error messages“. After adjustment the balance returns to weighing mode. 24 | en CH-BA-e-2440...
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Page 27: Operation
When lifting heavy loads, care of the correct body posture (back straight, lifting from the knees) Squat down if you want to put the load down again Ask another person for help if the load is too heavy for you. CH-BA-e-2440 en | 25... -
Page 28: Loading The Balance
Loading the balance: 1. Position the hook of the balance over the load. 2. Hang the load on the hook. 3. Lift the balance with the load slowly. Keep balance only by hand Do not push or pull 26 | en CH-BA-e-2440... -
Page 29: Switch-On / Switch-Off
The display lights up and the balance performs a self-test Wait until the weight display appears The balance is now ready for weighing Switch-off: Keep [ON/OFF/TARE] pressed The display switches off CH-BA-e-2440 en | 27... -
Page 30: Taring
Hang the container on the hook The weight of the container is shown Press [ON/OFF/TARE] Zero appears on the display Weighing with tare: Weigh the material Net weight will be displayed 28 | en CH-BA-e-2440... -
Page 31: Simple Weighing
This could cause damage to the balance. Exceeding the maximum load is indicated by the display < E>. In this case unload balance or reduce preload. Hang the weighing material on the hook The weighing result is displayed CH-BA-e-2440 en | 29... -
Page 32: Switch-Over Weighing Unit
The different Data-Hold functions can be found in the function menu (see “Overview of the function menu“. Example for setting < H4>: Select the Data-Hold function in the function menu (see chapter 9.2) Zero appears on the display 30 | en CH-BA-e-2440... -
Page 33: Animal Weighing Function
• If you use a weighing container, tare before weighing (see chapter 8.4). • The result is a mean value formed by 16 measurements. Select the animal weighing function in the function menu (see chapter 9.2) Hang the weighing material on the hook CH-BA-e-2440 en | 31... -
Page 34: Peak Value Function
The peak value is displayed by a <> top left in the display The peak value is displayed for approx. 5 seconds. If during the display a greater peak value is measured, the new value will be displayed automatically. 32 | en CH-BA-e-2440... -
Page 35: Other Functions
3.5 minutes no weight change has been measured. For use, the balance must be switched-on again. The automatic switch-off function can be enabled and disabled in the setup menu. Information about opening the menu and the operation can be found in chapter „Menu” CH-BA-e-2440 en | 33... -
Page 36: Menu
The function selected as last will appear on the display (in this example < H1>) Release [HOLD] 9.1.2 Invoke setup menu Switch off the balance First press [HOLD] and keep pressed Additionally press and hold [ON/OFF/TARE] Release [HOLD] 34 | en CH-BA-e-2440... -
Page 37: Overview Of The Function Menu
Data-Hold function 4 Weighing value will remain frozen after reaching a stable value until another key is pressed Animal weighing Function for weighing busy loads function Peak value function Function for registering the highest load value CH-BA-e-2440 en | 35... -
Page 38: Overview Over The Setup Menu
Menu Overview over the setup menu Standard settings are marked with a . Adjustment Function Description Zero-Tracking Zero tracking Enabled Disabled Auto-Off Automatic switch-off function Enabled Disabled Reset Restore factory settings 36 | en CH-BA-e-2440... -
Page 39: Cleaning, Maintenance And Servicing
Do not use metallic brushes or cleaning sponges of steel wool, because they damage the surface. Ensure that no liquid penetrates into the device. Recommended cleaning: For cleaning the device use a mild cleaning agent, e.g. a household window cleaning agent and a soft cloth. CH-BA-e-2440 en | 37... -
Page 40: Maintenance And Repair
Information regarding the test equipment monitoring of balances as well as the test weights required for this is available on the KERN homepage (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. - Page 41 If the maximum load (Max.) cannot be read clearly. • If the load carriers have suffered overload or other damaging influences. In this case the load carriers must be removed from operation; a reuse will only be allowed after a successful test. CH-BA-e-2440 en | 39...
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Page 42: Disposal
Rechargeable batteries and batteries do not belong in household waste. Disposal of rechargeable batteries and batteries must be carried out by the owner-operator according to valid national or regional law of the location where the device is used. 40 | en CH-BA-e-2440... - Page 43 • A crossed-out bin means, that you must under no circumstance dispose of the batteries or rechargeable batteries in the household waste. Used batteries or rechargeable batteries may contain harmful substances which can damage human beings and environment if not disposed of properly. CH-BA-e-2440 en | 41...
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Page 44: Warranty
• Mechanical damage and damage caused by media / liquids • Natural wear and tear • The device is improperly set up or incorrectly electrically connected • The measuring system is overloaded • Dropping the balance 42 | en CH-BA-e-2440... -
Page 45: Errors And Faults
The balance display is not at zero when balance unloaded incorrect • Adjustment has been carried out with a wrong or an inaccurate adjustment weight • Wrong weighing unit selected • Electromagnetic fields / static charging (choose different location/switch off interfering device if possible) CH-BA-e-2440 en | 43... -
Page 46: A1 Drawing For Maintenance
Drawing for maintenance Drawing for maintenance Total length Chain link Hooks 283.0 ± 2.0 < 0.7 75.0 ± 1.0 1.0 ± 1.0 24.0 ± 1.0 8.0 ± 0.2 8.0 ± 0.2 44 | en CH-BA-e-2440... - Page 47 Max. admitted deviation from the first measurement No deformation, wear and tear or cracks Other Grip Hooks Chain link parts Date Tester Before first use 3 months 6 months 9 months 12 months 15 months 18 months 21 months 24 months 45 | en CH-BA-e-2440...
- Page 48 Suspended balance Model: Serial no. Balance total Hooks Optical test Testing Max. admitted deviation from the first measurement No deformation, wear and tear or cracks Other Grip Hooks Chain link parts Date Tester Before first use 46 | en CH-BA-e-2440...
- Page 49 Spare parts and repairs Spare parts and repairs Suspending balance Model Serial no. Part Action Date Name Signature 47 | en CH-BA-e-2440...
- Page 50 INFORMATION • Further languages of the current EC/EU Conformity declaration can be found online in: www.kern-sohn.com/ce • For verified balances (= balances assessed for conformity) the assessment of conformity is included in the scope of delivery. 48 | en CH-BA-e-2440...
- Page 51 Declaration of conformity CH-BA-e-2440 en | 49...