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Related Manuals for KERN MWA-M
Summary of Contents for KERN MWA-M
- Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +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 manual Multi-function weighing balance KERN MWA-M / MWA-PM Version 1.4 04/2016 MWA-M / MWA-PM-BA-e-1614...
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Page 2: Table Of Contents
KERN MWA 300K1M / MWA 300K1PM Version 1.4 04/2016 Operating manual Multi-function weighing balance Contents Technical data .................... 4 Declaration of conformity ................5 Explanation of the graphic symbols ................ 5 Appliance overview ..................7 Keyboard overview ..................9 Overview of display .................. 10 Basic instructions .................. - Page 3 Servicing, maintenance, disposal ............38 15.1 Cleaning .......................38 15.2 Cleaning / disinfecting ...................38 15.3 Servicing, maintenance ..................38 15.4 Disposal ........................38 Instant help ....................39 Verification ....................40 17.1 Verification validity period (current status in G) .............42 Adjustment ....................43 MWA-M / MWA-PM-BA-e-1614...
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Page 4: Technical Data
1190 x 1140 x 1150 (D x W X H) mm Weighing plate (W x D) mm 880 x 840 Weight kg (net) Rechargeable battery Optional operation Batteries 6 x 1.5 V AA Data interface RS 232 C provided as standard MWA-M / MWA-PM-BA-e-1614... -
Page 5: Declaration Of Conformity
WF 150012 Number here as example Identification of the manufacturing date of the medical product. Year and month here as example 2016-03 “Please note the accompanying documents“ or “Please note operating instructions” MWA-M / MWA-PM-BA-e-1614... - Page 6 “Observe operating instructions” “Observe operating instructions” Identification of manufacturer of medical product including address Kern & Sohn GmbH D–72336 Baligen,Germany www.kern-sohn.com “Electro-medical appliance“ with attachment for type B Device protection category II Dispose of old appliances separately from your household waste! Instead, take them to communal collection points.
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Page 7: Appliance Overview
3 Appliance overview The wheelchair platform scale The wheelchair platform scale MWA-M with folded MWA-PM with folded and and unfolded ramps and the display (serial fitting). unfolded ramps, the display and the rail with a stand (serial fitting). The possibility of retrofitting with rail MWA-A02 (without a stand). - Page 8 5. Carrying handle Wheelchair balance Suitable as wheelchair and Handrail collapsible stand assist balance (Collapsible ramps) Display unit back 6. Adjustment switch 7. Terminal power supply unit 8. Connecting cable ”display unit - platform" 9. Connector RS232 MWA-M / MWA-PM-BA-e-1614...
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Page 9: Keyboard Overview
Function key • Call up menu • Select menu items For numeric entry: • Increase numerical value Weighing scale will be reset to „0.0“ Zeroing key For numeric entry: • Change decimal place TARE key Tare balance MWA-M / MWA-PM-BA-e-1614... -
Page 10: Overview Of Display
Illuminated after weighing scale was tared GROSS Gross weight display Illuminated when gross weight is displayed HOLD HOLD function HOLD function active BMI function Illuminated while BMI function is enabled Rechargeable /Battery Shows the capacity of the rechargeable / display batteries MWA-M / MWA-PM-BA-e-1614... -
Page 11: Basic Instructions
The weighing platform may only be stepped on by persons capable of standing on both feet on the weighing platform. The balance should be checked for correct condition prior to each utilisation by a person familiar with proper operation of the balance. MWA-M / MWA-PM-BA-e-1614... -
Page 12: Improper Use
In KERN’s accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost. MWA-M / MWA-PM-BA-e-1614... -
Page 13: Basic Safety Precautions
7 Basic Safety Precautions 7.1 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. 7.2 Personnel training The medical staff must apply and follow the operating instructions for proper use and care of the product. -
Page 14: Electromagnetic Compatibility (Emc)
Devices emitting high frequency signals (mobile telephones, radio transmitters, radio receivers) may cause interference in the multi- function balances MWA. Do not use these near multi-function balances MWA. Chapter 8.4 contains details about recommended minimum distances. MWA-M / MWA-PM-BA-e-1614... -
Page 15: Electromagnetic Interferences
IEC 61000-3-3 Do not stack or operate multi-function balances MWA immediately next to or together with other devices. If this type of operation is necessary, observe the multi-function balances MWA to ensure normal operation in such an arrangement. MWA-M / MWA-PM-BA-e-1614... -
Page 16: Electromagnetic Noise Immunity
Magnetic fields for the supply frequency frequency should match the (50/60 Hz) 50/60 Hz typical values found in the particular business or hospital acc. to IEC 61000-4-8 environment. NOTE equals AC line voltage prior to application of test level. MWA-M / MWA-PM-BA-e-1614... - Page 17 If you observe unusual features of performance you may have to take additional measures such as a change in alignment or a different location for the multifunctional balances MWA. For a frequency range of 150 kHz to 80 MHz field intensity should be less than 3 V/m. MWA-M / MWA-PM-BA-e-1614...
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Page 18: Crucial Features Of Performance
Higher frequency range applies to 80 MHz and 800 MHz. NOTE 2 These guidelines may not be applicable in all cases. The spread of electromagnetic variables is influenced by absorption and reflections in buildings, objects and humans. MWA-M / MWA-PM-BA-e-1614... -
Page 19: Transport And Storage
Only use original packaging for returning. Prior to dispatch disconnect all cables and remove loose/mobile parts. Reattach possibly supplied transport securing devices. Secure all parts such as the weighing platform, power unit etc. against shifting and damage. MWA-M / MWA-PM-BA-e-1614... -
Page 20: Unpacking, Setup And Commissioning
Remove the individual components of the balance or the complete balance from the packaging with care and install at the intended location. When using the power pack, ensure that the power cable does not produce a risk of stumbling. MWA-M / MWA-PM-BA-e-1614... -
Page 21: Scope Of Delivery
(See chap.3 device overview). The handrails are also suitable for use in connection with wheelchairs. 10.4.1 Application examples: Weighing balance used as Wheelchair balance stand assist balance with handrail MWS- MWA-M / MWA-PM-BA-e-1614... -
Page 22: Mains Connection
The stated voltage value must be the same as the local voltage. Always use genuine approved KERN power pack units as per EN 60601-1 directive. The small sticker attached to the side of the display unit indicates the power port: The LED remains illuminated as long as the weighing scale remains connected to the mains. -
Page 23: Battery Operation Is Possible By Obtaining An Optional Battery Power Pack
If the LED lights green, the rechargeable battery is fully charged. If it is lighting blue, it is being charged. If the balance is not used for a longer time, take out the rechargeable battery and store it separately. Leaking liquid could damage the balance. MWA-M / MWA-PM-BA-e-1614... -
Page 24: Battery Operation
. Change batteries. To save battery power, the balance switches off automatically (see chap.11.6 Auto off). Capacity of batteries exhausted. Batteries will soon be flat. Batteries are completely charged MWA-M / MWA-PM-BA-e-1614... - Page 25 Insert batteries Remove battery compartment cover Connect battery holder to housing contact acc. to illustration Insert battery holder Insert batteries into battery compartment and lock with battery compartment cover. MWA-M / MWA-PM-BA-e-1614...
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Page 26: Initial Commissioning
Have person stand in the centre of the scales. Wait until the standstill display „STABLE“ appears, then read the weighing result. If the person is heavier than the weighing range, "OL" (=overload) will appear in the display. MWA-M / MWA-PM-BA-e-1614... -
Page 27: Weighing With Wheelchair
Wait until the standstill display „STABLE“ appears, then read the weighing result. When the balance is unloaded the saved taring value is displayed with negative sign. To delete the stored tare value, release scales and press MWA-M / MWA-PM-BA-e-1614... -
Page 28: Hold Function
After unloading the balance, the weighing value remains displayed for approx. 10 seconds, than the balance changes automatically into the weighing mode. The „HOLD“ symbol disappears. There is no average value calculation in the event of too much movement. MWA-M / MWA-PM-BA-e-1614... -
Page 29: Display Additional Last Decimal Place
Allow the person to step onto the centre of the weighing platform. „---------„ is shortly displayed, followed by the BMI value of the person. Unload weighing plate Return to weighing mode using The BMI symbol will disappear and the kg display will reappear. MWA-M / MWA-PM-BA-e-1614... -
Page 30: Classification Of Bmi Values
Normal weight 18.5 – 24.9 Average Overweight > 25.0 Pre-adipose 25.0 – 29.9 A bit high Adipose degree I 30.0 – 34.9 Increased Adipose degree II 35.0 – 39.9 High Adipose degree III > 40 Very high MWA-M / MWA-PM-BA-e-1614... -
Page 31: Automatic Switch-Off Function „Auto Off
[oFF 15] Weighing system will be turned off after 15 min. [oFF 30] Weighing system will be turned off after 30 min. Save selected time with , [F1 oFF] is displayed Return to weighing mode using MWA-M / MWA-PM-BA-e-1614... -
Page 32: Display Background Illumination
Continuous background lighting bL off Background illumination off bL Auto Automatic background illumination on when weighing pate is loaded or key pressed. With save select setting , [F2 bk] is displayed. Return to weighing mode using MWA-M / MWA-PM-BA-e-1614... -
Page 33: Menu
. The current setting will be displayed. Select desired setting by and confirm with the balance returns to the menu. Exit menu/ Press , the balance will return to weighing mode. Return to weighing mode MWA-M / MWA-PM-BA-e-1614... -
Page 34: Menu Overview
Baud rate The currently set baud rate (b xxx) will be shown after the RS-232 mode was confirmed. Select desired Baudrate by pressing and confirm by pressing . Available Baud rate: 600, 1200, 2400, 4800, 9600 MWA-M / MWA-PM-BA-e-1614... - Page 35 Password Input: press subsequently. Service menu Operate adjustment switch; for position see chap.15 Not documented Display speed Adjustment, see chap. 18 tri* Not documented CoUnt Not documented rESEt Reset weighing scale to factory setting SEtGrA Not documented MWA-M / MWA-PM-BA-e-1614...
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Page 36: Data Output Rs 232
• Use a suitable cable to connect the weighing balance to the interface of the printer. Faultless operation requires an adequate KERN interface cable. • Communication parameters (baud rate, bits and parity) of balance and printer must match. -
Page 37: Printer Operation
• Fault on load cell Value outside the A/D converter range • Damaged weighing cell • Damaged electronics Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. MWA-M / MWA-PM-BA-e-1614... -
Page 38: Servicing, Maintenance, Disposal
The appliance may only be opened by trained service technicians who are authorized by KERN. Disconnect the scales before opening. 15.4 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. MWA-M / MWA-PM-BA-e-1614... -
Page 39: Instant Help
Warm-up time was ignored. • 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. MWA-M / MWA-PM-BA-e-1614... -
Page 40: Verification
The weighing result of the balance is outside the error limit. Therefore, in regular • intervals load balance with known test weight (ca. 1/3 of the max. load) and compare with displayed value. The reverification deadline has been exceeded. • MWA-M / MWA-PM-BA-e-1614... - Page 41 Position adjustment switch and seals Self-destroying seal mark Cover Adjustment switch MWA-M / MWA-PM-BA-e-1614...
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Page 42: Verification Validity Period (Current Status In G)
Rehab clinics and health authorities are treated as hospitals (4 years of verification validity) Not treated as hospitals (verification validity not limited) are dialysis stations, nursing homes and doctor’s surgeries. (Data source : ”Bureau of Standards News, Weighing Instruments in Medicine“} MWA-M / MWA-PM-BA-e-1614... -
Page 43: Adjustment
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. Procedure: In weighing mode, press repeatedly until [tCH] appears. Press , [Pin] is displayed MWA-M / MWA-PM-BA-e-1614... - Page 44 Wait for stability display "STABLE", then confirm with The size of the currently set adjustment weight will be displayed. To change, select the digit to be altered by , and the (example) numerical value by Confirm with , [LoAd] appears. MWA-M / MWA-PM-BA-e-1614...
- Page 45 Switch off the balance Take away adjustment weight Turn on balance again, after the selftest the balance changes into the weighing mode. Adjustment has now been completed successfully. MWA-M / MWA-PM-BA-e-1614...