KERN & Sohn GmbH Ziegelei 1 D-72336 Balingen E-Mail: info@kern-sohn.com Phone: +49-[0]7433- 9933-0 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com Operating manual Compact balance KERN FXN Version 1.
GB KERN FXN-N Version 1.0 11/2014 Operating manual Compact balance Contents 1 Technical data ............................................................................................ 3 1.1 Dimensions............................................................................................................................. 4 2 Appliance overview .................................................................................... 5 2.1 2.1.1 2.2 Overview of display ...............................
1 Technical data KERN FXN 3K -3 FXN 6K -3 FXN 10K -3 FXN 30K -2 Weighing range (max) 3 kg 6 kg 15 kg 30 kg Readability (d) 1g 2g 5g 10 g Reproducibility 1g 2g 5g 10 g Linearity 2g 4g 10 g 20 g 3 kg (M3) 6 kg (M3) 15 kg (M3) 30 kg (M3) Recommended adjustment weight, not added (class) Stabilization time (typical) Units 2 sec. g, kg, lb, oz, Warm-up time 10 min. Electric Supply Battery operation: 6 x 1.
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2 Appliance overview 2.1 Overview of display 2.1.1 Not verifiable models Display Designation Description Zeroing display Should the balance not display exactly zero despite empty scale pan, press the button. The balance will be set to zero after a short standby time.
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3 Basic Information (General) 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 pan. 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.
4 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. 4.2 Personnel training The appliance may only be operated and maintained by trained personnel. 5 Transport and storage 5.
6 Unpacking, Setup and Commissioning 6.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. You will work accurately and fast, if you select the right location for your balance.
6.2 Unpacking and placing Carefully remove the balance from the packaging, remove plastic cover and setup balance at the intended workstation. Level balance with foot screws until the air bubble of the water balance is in the prescribed circle.
6.2.1 Scope of delivery Serial accessories: Balance Weighing pan Operating manual 4 x 1.5V size D batteries 6.3 Battery operation The operating time of the batteries with background illumination is 200 h, without background illumination 250 h. In menu you can activate the AUTO-OFF function, see chap. 9.3. According to menu settings, the balance switches automatically off in order to spare the battery. Insert rechargeable battery: Open battery compartment.
Insert 4 x 1.5V size D batteries. Close the battery compartment cover. Move both levers 90° to the right Ensure that the cables are not squeezed.
6.4 Initial Commissioning In order to obtain exact results with the electronic balances, your balance must have reached the operating temperature (see warming up time chap. 1). For this warm-up period the scale must be connected to the power supply (batteries). The accuracy of the balance depends on the local acceleration of gravity. Strictly observe hints in chapter Adjustment.
7.1.1 Adjustment Operation Start balance by pressing Press and 01 FnC appears at the same time in weighing mode. Select 02 EC using button Confirm with . . button The adjustment weight to be used appears. button (the displayed Confirm by pressing the adjustment weight flashes) Place the adjustment weight button Confirm by pressing the In case of successful adjustment the balance beeps 3 times.
8 Operation 8.1 Weighing Start balance by pressing . The balance will carry out a self-test As soon as the weight display shows „0.0“ and the triangle symbol stability display appears, the scale is ready for weighing. above the However, you can reset the weighing scale to zero by pressing the button. Switch off balance using . The „0.0“ display disappears and the balance is switched off. 8.
0.0 The tare weight is saved until it is deleted. Remove the load from the balance and press . The zero display appears and the triangle above the net weight symbol vanishes. Gross weight: Press as long as the weighing container and the object to be weighed are on the weighing plate. Remove the object to be weighed as well as the weighing container. The gross weight is displayed as a negative value. 8.3 Background illumination Start balance by pressing Press mode. and .
9 The menu 9.1 Navigation in the menu Start balance by pressing In weighing mode press the same time. and the button at the 01 FnC appears Use the button to change between the main menu items. Use the button to select the desired menu. Enter the respective number for the required menu. Use the button to change between the numeric values. Use the button to increase the number. Use the button to reduce the number.
9.2 Menu overview Menu item Function 01 FnC Access to the settings and functions of the balance. FnC 01 Setting of background lighting FnC 02 Setting Auto-off function FnC 03 Hi / Lo / OK function.
9.3 Set auto-OFF function Start balance by pressing Press and at the same time in weighing mode. 01 FnC appears Confirm with button FnC 00 appears Use the button to change between the numeric values. Use the button to increase the number. Use the button to reduce the number. Now enter FnC 02 Confirm by pressing the button Now select between the following values: - 0: No Auto-off function - 1: After one minute the balance switches off automatically.
10 Error messages Display Description Remedy E1 Zero range exceeded Unload the balance E2 Resetting range has not been reached. Check if the correct weighing plate has been used.
11 Instant help In case of an error in the program process, briefly turn off the balance and disconnect from power supply. The weighing process must then be restarted from the beginning. Fault Possible cause The displayed weight does not glow. The balance is not switched on. Batteries are inserted incorrectly or empty No batteries inserted.
12 Servicing, maintenance, disposal 12.1 Cleaning Before cleaning, please remove batteries from the appliance Please do not use aggressive cleaning agents (solvents or similar agents), but a cloth dampened with mild soap suds. Ensure that no liquid penetrates into the device and wipe with a dry soft cloth. Loose residue sample/powder can be removed carefully with a brush or manual vacuum cleaner. Spilled weighing goods must be removed immediately. 12.
