Table of Contents
Related Manuals for KERN MWN Series
Summary of Contents for KERN MWN Series
- Page 1 KERN & Sohn GmbH Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com Operating instructions Wheelchair scales KERN MWN TMWN 300K-1M-A Version 1.1 2022-12 TMWN_A-BAPS-e-2211...
- Page 2 Weitere Sprachversionen finden Sie online unter www.kern-sohn.com/manuals Más versiones de idiomas se encuentran online bajo www.kern-sohn.com/manuals Vous trouverez d’autres versions de langue online sous www.kern-sohn.com/manuals Further language versions you will find online under www.kern-sohn.com/manuals Trovate altre versioni di lingue online su www.kern-sohn.com/manuals...
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Page 3: Table Of Contents
KERN TMWN Version 1.1 2022-12 Operating instructions Wheelchair scales Contents Technical data .................... 5 Declaration of conformity ................6 Appliance overview ..................7 Overview of displays ....................8 Keyboard overview ....................9 Basic Information (General) ..............10 Proper use ......................10 Non-intended product use / contraindications ............11... - Page 4 10.2 Menu overview ......................33 Communication with peripheral devices via KUP connection ..... 35 11.1 KERN Communications Protocol (KERN Interface Protocol) .........36 11.2 Data output after pressing the PRINT button < manual > ........36 11.3 Automatic data output < auto> ................37 11.4...
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Page 5: Technical Data
1 Technical data KERN MWN 300K-1M Item no./ Type TMWN 300K-1M-A Weighing range (max) 300kg Minimum load (Min) 2 kg Readability (d) 0.1 kg Linearity 0.1 kg Display LCD with 25mm high digits Recommended adjustment weight, 300 kg (M1) (Category) Stabilization time (typical) 3 sec. -
Page 6: Declaration Of Conformity
2 Declaration of conformity The current EC/EU Conformity declaration can be found online in: www.kern-sohn.com/ce TMWN_A-BAPS-e-2211... -
Page 7: Appliance Overview
3 Appliance overview 1. Weighing pan 2. Hand grip 3. Display Unit 4. Rechargeable battery compartment 5. Mains connection 6. KUP TMWN_A-BAPS-e-2211... -
Page 8: Overview Of Displays
3.1 Overview of displays Display Designation Description Stability display Scales are in a steady state Zeroing display Should the balance not display exactly zero despite empty weighing plate, press button. Your balance will be set to zero after a short standby time. Net weight display Illuminated when net weight is displayed Illuminated after weighing scale was... -
Page 9: Keyboard Overview
3.2 Keyboard overview Button Designation Function ON/OFF button Turn on/off HOLD button Hold function/Calculation of a stable weight value In menu: • Select menu items For numeric entry: • Lowering numeric value BMI button Calculation of the Body Mass Index In menu: •... -
Page 10: Basic Information (General)
4 Basic Information (General) 4.1 Proper use This weighing scale is designed for determining the weight of a person whilst standing or sitting, according to the model. Concerning this balance, the person to be weighed should step onto the centre of the weighing platform and remain standing without moving, or when weighing on wheel chair, the wheel chair must be pushed entirely onto the weighing platform resp. -
Page 11: Non-Intended Product Use / Contraindications
• The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. • If the balance is not used for a longer time, take out the batteries and store them separately. -
Page 12: Monitoring Of Test Resources
Information is available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be... -
Page 13: Basic Safety Precautions
5.1 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. 5.2 Preparation for use • Check the balance for damage before any use •... -
Page 14: Transport And Storage
7 Transport and storage 7.1 Testing upon acceptance When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage. 7.2 Packaging / return transport Keep all parts of the original packaging for a possibly required return. -
Page 15: Unpacking, Installation And Commissioning
8 Unpacking, Installation and Commissioning 8.1 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. On the installation site observe the following: ▪... - Page 16 Level balance with foot screws until the air bubble of the water balance is in the prescribed circle. Check levelling regularly- Once installation is complete, check all screws for tight fit. Otherwise the person to be weighed may suffer injury. General instructions for installing the aforementioned balance Install the personal balance at the intended location and align it using the screwed height-adjustable rubber feet, until the air bubble of the bubble level (on the weighing...
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Page 17: Magnets Display Unit
8.5 Magnets display unit The display unit of the MWN has two magnets on the rear side, use these magnets to fix the display unit on metallic surfaces. 8.5.1 Transportation of the balance There exists the possibility to fix the display unit at the platform using the two magnets on the rear side, whereby the balance and the display unit can be transported together without problems (see fig. -
Page 18: Battery Operation
Capacity of batteries will soon be exhausted. Batteries completely charged Disclaimer: Only use KERN type rechargeable battery YMR-01 (RC 193650) or batteries AA 1.5 V (6x). Other may cause damages to the product, which can lead to injuries of persons If the balance is not used for a longer time, take out the batteries and store them separately. - Page 19 Insert batteries Remove the battery compartment cover at the side of the display unit (1) Remove the battery holder (2) Insert the batteries into the battery holder Insert batteries with the battery holder into the battery compartment and lock it with battery compartment cover.
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Page 20: Rechargeable Battery Operation Using An Optional Battery Power Pack
8.8 Rechargeable battery operation using an optional battery power pack Open the battery compartment cover (1) at the base of the display unit and insert the rechargeable battery. Charge the rechargeable battery for at least 12 hours before initial use. The appearance of the symbol in the weight display indicates that the rechargeable battery is almost exhausted. -
Page 21: Mains Connection
The stated voltage value must be the same as the local voltage. • Only approved genuine KERN mains adapters may be used in compliance with Directive EN 60601-1. The small sticker attached to the side of the display unit indicates the power port:... -
Page 22: Operation
9 Operation 9.1 Weighing Start balance by pressing The balance will carry out a self-test The balance is ready for operation as soon as the weight display for “0.0 kg“ has appeared. ▪ However, you can reset the weighing scale to zero by pressing the key. -
Page 23: Taring
9.2 Taring The tare weight of any preloads can be deducted by pressing a button so that the actual weight of the person is displayed in subsequent weighings. Put an object (such as a rubber mat) on the weighing pan. (example) ... -
Page 24: Subsequent Tare Weight
9.2.1 Subsequent tare weight The balance can be tared several times successively. 9.2.2 Pretare The possibility exists to enter either a known pre-tare value via the keyboard or to store the weight of an object placed on the weighing plate as a pre-tare value. Store the weight of an object placed on the weighing plate, in this example a wheelchair: ... - Page 25 Enter the pre-tare value manually via the keyboard: Start balance by pressing Wait for stability display Press and keep pressed , the application menu is called up. „ApcMen“, followed by „WghMod“ is displayed Then „PtArE“ appears automatically. Acknowledge by , in the display „PT“...
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Page 26: Hold Function
Delete pre-tare value: • Unload the weighing plate and press , the balance goes to zero display. • Or after adjustment „ManuAL“ press , „cLEAr“ appears. After that press , the pre-tare value is deleted. 9.3 HOLD function The balance has an integrated standstill function (mean value calculation). With this function it is possible to weigh people accurately even if they do not stand still on the weighing plate. -
Page 27: Calculating Body Mass Index
9.3.1 Calculating Body Mass Index For weighing with wheelchair as described above, first tare away the wheelchair. Start balance by Wait for stability display Press The most recently entered body height will be shown in centimeters, the enabled digit flashes. ... -
Page 28: Automatic Switch-Off Function „Auto Off
9.4 Automatic switch-off function „AUTO OFF“ The weighing scale will switch off automatically after the allotted time as long as neither the display unit nor the weighing plate is operated. • Menu settings: [AutoFF] (see chap. 10.2) In weighing mode press simultaneously, „SetuP“... - Page 29 To set a determined switch-off time, proceed as follows: As described above, call-up the menu item „ModE“ , „tiME“ appears, acknowledge on Press , select the required setting by [2 min] Weighing system will be turned off after 2 min. [5 min] Weighing system will be turned off after 5 min.
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Page 30: Acoustic Signal When Pressing Button
9.5 Acoustic signal when pressing button The balance offers the possibility to switch off or on an acoustic signal by pressing the keys. • Menu settings: [bEEPEr] [KEYS – on/oFF] In menu call-up the menu item „bEEPEr“ Press „KEYS“... -
Page 31: Setting Time And Date
9.6 Setting time and date (only available with Real Time Clock) • Menu settings: [dAtiME] Setting date: In menu call-up the menu item „dAtiME“ Press repeatedly until the prompt for entering the year appears „YY20xx“. Enter the current year with (example) and confirm by ... -
Page 32: Menu
10 Menu Access to service menu „x10“ is locked in verified balances. To disable the access lock, destroy the seal mark and actuate the adjustment switch. Attention: After destruction of the seal the weighing system must be re-verified by an authorised agency and a new verification wire/seal mark fitted before it can be reused for applications subject to verification. -
Page 33: Menu Overview
10.2 Menu overview Available settings / explanation Menu block Menu item Main menu Submenu SEtuP rS232 RS232 mode Interface bAUd Baud rate 9600, 14400, 19200, 38400, 57600, parameter 115200, 128000, 256000, 600, 1200, 2400, 4800 Data bits: 8dbitS, 7dbitS dAtA Parity nonE, odd, EVEn PAritY StoP... - Page 34 bEEPEr KEYS Acoustic signal when pressing button Acoustic signal Acoustic signal on Acoustic signal off AutoFF Mode Settings autom. shutdown function Automatic Automatic shutdown function switched off shutdown Automatic switch-off independent on the load on the Auto function balance Automatic switch-off only with zero display onLY0 timE Setting the switch-off time...
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Page 35: Communication With Peripheral Devices Via Kup Connection
Issue may be made to a printer, PC or check displays. In reverse order, control orders and data inputs may be made via the connected devices. The balances of the TMPN series are equipped with a KUP connection (KERN Universal Port) as per standard. -
Page 36: Kern Communications Protocol (Kern Interface Protocol)
11.1 KERN Communications Protocol (KERN Interface Protocol) KCP is a standardized set of interface orders for KERN balances, which allows many parameters and device functions to be called up and controlled. KERN devices that have KCP can use it to connect easily to computers, industrial control systems and other digital systems. -
Page 37: Automatic Data Output < Auto
11.3 Automatic data output < auto> Data output happens automatically without having to press the PRINT-key as soon as the corresponding output condition has been met, dependent on the setting in the menu. Enable function and set the output condition: In Setup menu invoke the menu setting <Print... -
Page 38: Continuous Data Output < Cont
If required, place empty container on scale and tare. Place goods to be weighed. The weighing values are issued according to the defined interval. Sample log (KERN YKB-01N): The balances which have a serial interface, may only be connected to electrical office machines. -
Page 39: Data Format
Options: < short > Standard measuring protocol < long > Detailed measuring protocol Confirm setting with ➔-button. To exit the menu, press the navigation key repeatedly. Sample log (KERN YKB-01N): format short format long TMWN_A-BAPS-e-2211... -
Page 40: Wlan
Transmission frequency: 2412 - 2472 MHz ➢ Maximum transmission performance: < 20dBm ➢ Application log: KCP (KERN Communications Protocol): ➢ Set up WIFI connections: 1. The balance creates a WIFI access point as soon as it has started up (WLAN symbol in the balance display appears). -
Page 41: Print Function
6. Close the website 7. Connect the computer to the selected network 8. Enter the IP / Port into the target software: 23 11.7 Print function After a correct connection of the software and the balance, the weighing data can be transferred using the button on the balance. -
Page 42: Bluetooth
12 Bluetooth The balance is optionally available with Bluetooth Low Energy (BLE) and will then be visible to Bluetooth Master devices using its serial number. To access this, please use an appropriate software program / app which supports Bluetooth Low Energy (BLE). Applications exclusively using Bluetooth Classic (BLC) will not work. -
Page 43: Servicing, Maintenance, Disposal
Sterilisation of the appliance not allowed. 14.3 Servicing, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. We recommend a regular safety-related technical check (STK). Disconnect scales from mains before opening. 14.4 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 44: Error Messages
15 Error messages Display Description Battery capacity exhausted Battery capacity soon exhausted Zero setting range exceeded Zero setting range not achieved Adjustment error Load instable Underload Overload Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. -
Page 45: Instant Help For Troubleshooting
16 Instant help for troubleshooting 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 balance is not switched on The displayed weight does not glow. -
Page 46: Adjustment
1. Carry out adjustment as closely as possible to admissible maximum load of weighing scale. Info about test weights can be found on the Internet at: http://www.kern-sohn.com. • Observe stable environmental conditions. - Page 47 Press again , „cALEXt“ is displayed. (should this not be displayed, press repeatedly until „cALEXt“ is displayed Press , the required adjustment weight is shown Acknowledge by , „Zero“ is shortly displayed: Ensure that there are no objects on the weighing plate. ...