Table of Contents
Related Manuals for KERN WTB-N
Summary of Contents for KERN WTB-N
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating instructions Compact balance KERN WTB-N Version 2.0 09/2012 WTB-N-BA-e-1220...
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Page 2: Table Of Contents
KERN WTB-N Version 2.0 09/2012 Operating instructions Compact balance Contents Technical data .................... 3 Dimensions..........................5 Appliance overview ..................6 Overview of display ........................ 6 Keyboard overview ......................... 8 Basic Information (General) ..............9 Proper use ..........................9 Improper Use ......................... 9 Warranty .......................... -
Page 3: Technical Data
-10° C …. + 40° C Operating temperature Humidity of air 0 % - 80 % (non-condensing) Dimensions of weighing plate 262 x 202 (Stainless steel) (mm) Casing dimensions 286 x 316 x 126.5 Weight kg (net) IP protection IP65 WTB-N-BA-e-1220... - Page 4 -10° C …. + 40° C Operating temperature Humidity of air 0 % - 80 % (non-condensing) Dimensions of weighing plate 262 x 202 (Stainless steel) (mm) Casing dimensions 286 x 316 x 126.5 Weight kg (net) IP protection IP65 WTB-N-BA-e-1220...
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Page 5: Dimensions
1.1 Dimensions WTB-N-BA-e-1220... -
Page 6: Appliance Overview
2 Appliance overview 1 Weighing plate 2 Keyboard 3 Bubble level 4 Display 2.1 Overview of display Rear view: WTB-N-BA-e-1220... - Page 7 Triangle above "+": upper limit value tolerance range Triangle above "-": lower limit value Power supply connected Lights with power supply via power supply unit, then the battery is being charged Display Weighing unit kg Displayed weight in kg WTB-N-BA-e-1220...
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Page 8: Keyboard Overview
Tare balance Call up menu Weighing with Change to the next menu tolerance range item /parameter Zero setting key Set balance to zero Select menu item / parameter Switch-over units Push TARE + reset button simultaneously WTB-N-BA-e-1220... -
Page 9: Basic Information (General)
In KERN’s accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost. WTB-N-BA-e-1220... -
Page 10: Basic Safety Precautions
4.1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup and commissioning, even if you are already familiar with KERN balances. All language versions contain a non-binding translation. The original German is binding. -
Page 11: Unpacking, Setup And Commissioning
Avoid static charge of goods to be weighed or weighing container. Major display deviations (incorrect weighing results) may be experienced should electromagnetic fields (e.g. due to mobile phones or radio equipment), static electricity accumulations or instable power supply occur. Change location or remove source of interference. WTB-N-BA-e-1220... -
Page 12: Unpacking And Placing
Carefully remove the balance from the packaging, remove plastic cover and setup balance at the intended workstation. 1 Weighing pan 2 Locking screw 3 Carrier weighing plate 4 Shim 5 Display 6 Bubble level 7 Keyboard 8 Footscrews 9 Rechargeable battery compartment cover 10 Screws of battery compartment cover WTB-N-BA-e-1220... - Page 13 2 Mains port 3 Pressure compensation screw Pressure compensation screw: On the lower side of the balance there is a pressure compensation screw which Fasten the screw before cleaning the has to be opened for the weighing process. balance. WTB-N-BA-e-1220...
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Page 14: Scope Of Delivery
In the menu you can activate the AUTO-OFF function time off], see chap. 9.2. According to menu settings, the balance switches automatically off in order to spare the battery. Insert rechargeable battery: Remove any adherent moisture from the balance Rotate both levers (1) 90 degrees to the left WTB-N-BA-e-1220... - Page 15 Connecting the rechargeable battery Watch the colours: Red on red ! Black on black! Insert the rechargeable battery in a manner that it cannot slip (fasten with a rubber foam mat) Ensure that the cables are not squeezed. WTB-N-BA-e-1220...
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Page 16: Mains Connection During Rechargeable Battery Operation
6.3.1 Mains connection during rechargeable battery operation During the rechargeable battery operation ensure that the mains connection is covered with a rubber cap. Only by this the type of protection IP65 is ensured. WTB-N-BA-e-1220... -
Page 17: Initial Commissioning
The accuracy of the balance depends on the local acceleration of gravity. Strictly observe hints in chapter Adjustment. 6.5 Type of protection IP65 The KERN WTB meets the requirements for IP65 protection type. Suitable for a short-time contact with liquids. For cleaning use damp cloth. Dust-tight. 7 Adjustment... -
Page 18: Adjustment
The balance changes over to zero display. Now the process of adjustment is completed. If the display shows an error message or an incorrect value, repeat adjustment process. If the error message remains, please contact your dealer. WTB-N-BA-e-1220... -
Page 19: Operation
Place goods to be weighed in the weighing container. The net weight of the goods to be weighed is displayed. (example) The weight of the weighing container will be displayed as a minus number (=gross weight) after removing the weighing container. WTB-N-BA-e-1220... -
Page 20: Background Illumination
8.3 Background illumination In weighing mode press for about 3 seconds, "bK-AU" appears. Press to select background illumination automatically off („bK-AU“) and background illumination off („bK-oF“). Press to confirm selected setting. The balance changes into weighing mode WTB-N-BA-e-1220... -
Page 21: Weighing With Tolerance Range
The acoustic signal depends on the settings in menu block „F9 BEP“. Options: BEP 0 Acoustic signal turned off BEP 1 An acoustic signal sounds when load is within tolerance limits BEP 2 An acoustic signal sounds when load is beyond tolerance limits WTB-N-BA-e-1220... - Page 22 Weighing with tolerance range Tare when using a weighing container Put on goods to be weighed, tolerance control is started Load below specified Load within specified Load exceeds specified tolerance tolerance tolerance orange background red background green background WTB-N-BA-e-1220...
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Page 23: The Menu
"F1 CAL" is displayed. Use to change to the next menu item Select menu item using Use to change between the individual parameters Select the desired parameter using WTB-N-BA-e-1220... -
Page 24: Menu Overview
Acoustic signal in tolerance weighing mode bEP 0 Acoustic signal turned off bEP 1 Acoustic signal when weighed material is within the tolerance range bEP 2 Acoustic signal when weighed material is outside the tolerance range Return to weighing mode WTB-N-BA-e-1220... -
Page 25: Set Auto-Off Function
Select the desired parameter using “F5 oFF“ appears, now the function is enabled Press repeatedly until “bACK“ appears Press The balance carries out a restart and changes to weighing mode WTB-N-BA-e-1220... -
Page 26: Multi-Tare Function
"F8 tm" and set the parameter "P tare". 10 Error messages Display Description Remedy Zero range exceeded Unload the balance A/D converter outside range Unload the balance; check if the weighing is correctly placed and screwed on WTB-N-BA-e-1220... -
Page 27: Instant Help
The balance is on an uneven surface. Electromagnetic fields / static charging (choose different location/switch off interfering device if possible) Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. WTB-N-BA-e-1220... -
Page 28: Service, Maintenance, Disposal
Spilled weighing goods must be removed immediately. 12.2 Service, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Before opening, disconnect from power supply. 12.3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used. - Page 29 Batteries with a low degree of noxious substances bear merely a crossed out bin. Return options are restricted to the types of battery that we keep or used to keep in stock as well as the quantity commonly disposed of by end users. WTB-N-BA-e-1220...
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