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KERN & Sohn GmbH

 

Ziegelei 1 
D-72336 Balingen 
E-Mail: [email protected] 

Phone:  +49-[0]7433- 9933-0 
Fax: +49-[0]7433-9933-149 
Internet: www.kern-sohn.com 

 

Operating manual 
Baby scale

 

 
 

KERN MBA 

      Type TMBA-B

 

Version 1.8 
2021-02 
GB

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

TMBA_B-BA-d-2118 

 
 

 

Summary of Contents for TMBA 15K-3M-B

Page 1: ... 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 Baby scale KERN MBA Type TMBA B Version 1 8 2021 02 GB TMBA_B BA d 2118 ...

Page 2: ...GB Further language versions you will find online under www kern sohn com manuals RO Alte versiuni lingvistice veţi găţi pe site ul www kern sohn com manuals I Trovate altre versioni di lingue online in www kern sohn com manuals SK Iné jazykové verzie nájdete na stránke www kern sohn com manuals NL Bijkomende taalversies vindt u online op www kern sohn com manuals SLO Druge jezikovne različice na ...

Page 3: ...structions in the Operation Manual 16 5 2 Personnel training 16 5 3 Preventing contamination 16 5 4 Preparing for use 16 6 Electromagnetic compatibility EMC 17 6 1 General hints 17 6 2 Electromagnetic interferences 19 6 2 1 Degradation of performance 19 6 3 Electromagnetic noise immunity 20 6 3 1 Crucial features of performance 23 6 4 Minimum distances 23 7 Transport and storage 24 7 1 Testing upo...

Page 4: ...suring rod MBA A01 33 10 Menu 34 10 1 Navigation in the menu 34 10 2 Menu overview 35 11 Error reports 36 12 Servicing maintenance disposal 37 12 1 Cleaning 37 12 2 Cleaning disinfecting 37 12 3 Sterilisation 37 12 4 Servicing maintenance 37 12 5 Disposal 37 13 Instant help 38 14 Verification 39 14 1 Verification validity period current status in D 40 15 Adjustment 41 16 Equipment optional 43 ...

Page 5: ...0 to 90 relative humidity Atmospheric pressure 700 1060 hPa Humidity of air max 80 not condensing Atmospheric pressure kPa 70kpa 106kpa Input Voltage 100 V 240 V 50 60 Hz Output Voltage power supply DC 12V 500mA Battery use 6 x 1 5 V AA battery working period 50 hours Auto Off can be adjusted after 30 60 180 sec or Off without load change Dimensions fully mounted W x D x H mm 890 x 470 x 175 Baby ...

Page 6: ...aphic symbols for medical products All medical balances with this mark fulfill the following guidelines 1 2014 31 EU Guideline for non automatic balances 2 93 42 EC Guideline for medical products Balances which carry this mark are conformity evaluated as per accuracy class III of the EC guideline 2014 31 EU WF 202795 Designation of the serial number of every device applied at the device and on the...

Page 7: ...ng instructions Kern Sohn GmbH Ziegelei 1 72336 Balingen Germany www kern sohn com Identification of manufacturer of medical product including address 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 ...

Page 8: ...ly voltage for scales with polarity display Supply voltage direct current Information To prevent babies lying on the weighing pan from falling off the scale they must be watched all the time Please observe note on weighing pan Level balance before use ...

Page 9: ... 3 Appliance overview 1 Height measuring rod optional 2 Baby weighing pan 3 Keyboard 4 LED 5 Bubble level 6 Mains connection 7 Rubber feet height adjustable 8 Battery compartment adjustment switch inside 9 Not documented ...

Page 10: ...by is displayed NET Net weight display Illuminated when net weight of the baby is displayed Illuminated after weighing scale was tared TARE Taring display Illuminated after weighing scale was tared Zeroing display Should the balance not display exactly zero despite empty scale pan press the button Your balance will be set to zero after a short standby time ...

Page 11: ...en the load is within the displayed range HOLD HOLD function Is displayed with active Hold function Rechargeable battery symbol Lights when the voltage drops below the prescribed minimum Lights when the rechargeable battery capacity is almost exhausted Illuminated when the rechargeable battery is fully charged ...

Page 12: ... Confirm selection HOLD button Hold function For numeric entry Decimal point further to the left TARE key Zeroing key Tare balance Weighing scale will be reset to 0 0 kg For numeric entry Reduce numeric value In menu Call up menu Select menu items PRINT button Printout the weighing value For numeric entry Increase numerical value In menu Select menu items ...

Page 13: ...ns that you have to carefully put the baby in the centre of the weighing pan Once a steady display value is shown you can read the weight value Contraindication No contraindication known 4 2 Intended use These balances serve as a means of determining the weight of babies in medical treatment rooms hospitals or Doctor practices The frequently used function of the baby scale is recognising preventin...

Page 14: ...ting If the balance is not used for a longer time take out the batteries and store them separately Leaking battery liquid could damage the balance The scale is for weighing baby only Any person with weight over 15 kg do not step on the scale Improper use of optional height meter MBA A01 The structure of the height measuring rod may not be modified This may result in incorrect measuring results saf...

Page 15: ...le 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 calibrated return to the national standard fast and at moderate cost For balances with height measuring rods we recommend a metrological examination of the accuracy of the height mea...

Page 16: ...an or weighing platform every time after weighing Recommendation After any weighing procedure that could potentially result in contamination e g after weighing that involves direct skin contact 5 4 Preparing for use Check the balance for damage before any use Maintenance and re verification The baby scale must be serviced and re verified at regular intervals see chapter 12 4 Do not use the device ...

Page 17: ...ns or decreased electromagnetic immunity of this equipment and result in improper operation Portable RF communications equipment including peripherals such as antenna cables and external antennas should be used no closer than 30 cm 12 inches to any part of the equipment MBA M including cables specified by the manufacturer Otherwise degradation of the performance of this equipment could result Note...

Page 18: ...e of EMI Install or use the baby scale MBA M on a place Connect the baby scale MBA M to another power source For further questions please contact our customer services Disturbances may be caused by improper modification or add ons to the device or not recommended accessories such as power units or connecting cables The manufacturer will not be responsible for these Modifications may also result in...

Page 19: ...f the baby scale MBA M should ensure that operation takes place in such an environment Emissions test Compliance RF emissions CISPR 11 Group 1 RF emissions CISPR 11 Class A Harmonic emissions IEC 61000 3 2 Class A Voltage fluctuations flicker IEC 61000 3 3 Comply Do not put the baby scale MBA M directly next to other devices and do not stack it with other devices If this type of operation is neces...

Page 20: ... 4 kV 8kV 15kV air Electrical fast transient burst IEC 61000 4 4 2 kV for power supply lines 1 kV signal input output 100kHz repetition frequency 2 kV for power supply lines Not applicable 100kHz repetition frequency Surge IEC 61000 4 5 0 5 kV 1 kV differential mode 0 5 kV 1 kV 2 kV common mode 0 5 kV 1 kV differential mode Not Applicable Voltage dips short interruptions and voltage variations on ...

Page 21: ...4 6 3 V 0 15 MHz 80 MHz 6 V in ISM band between 0 15 MHz and 80 MHz 80 AM at 1 kHz 3 V 0 15 MHz 80 MHz 6 V in ISM band between 0 15 MHz and 80 MHz 80 AM at 1 kHz Radiated RF IEC61000 4 3 10 V m 80 MHz 2 7 GHz 80 AM at 1 kHz 10 V m 80 MHz 2 7 GHz 80 AM at 1 kHz NOTE equals AC line voltage prior to application of test level ...

Page 22: ...radio transmitters such as base stations of wireless telephones and mobile radio sets amateur radio stations AM and FM radio and television stations cannot be reliably predicted in advance To determine the electromagnetic environment in respect of stationary transmitters you should consider a study of electromagnetic phenomena at the location If the measured field intensity at the location where t...

Page 23: ...es transmitters and the medical device depending on the output performance of the communication device as stated below Rated capacity of transmitter W Safety distance depending on the transmission frequency m 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 20 1 20 2 30 10 3 80 3 80 7 30 100 12 00 12 00 23 00 For transmitters with a maximum rated ca...

Page 24: ...r possible visible damage 7 2 Packaging return transport Keep all parts of the original packaging for a possibly required return 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 pan power unit etc against shifting and damage ...

Page 25: ...e to extreme dampness for longer periods of time Non permitted condensation condensation of air humidity on the appliance may occur if a cold appliance is taken to a considerably warmer environment In this case acclimatize the disconnected appliance for ca 2 hours at room temperature Avoid static charge of the balance and of the person to be weighed Avoid contact with water Major display deviation...

Page 26: ...cribed circle 8 5 Battery operation The balance offers also the possibility to be operated with 6x AA batteries Open the battery cover see fig at the lower side of the display unit and insert the batteries according to the example shown below Lock again the battery compartment cover If the batteries are empty in the balance display appears the symbol Change batteries To save the battery the balanc...

Page 27: ...for a longer time take out the batteries and store them separately Leaking battery liquid could damage the balance Capacity of batteries exhausted Batteries will soon be flat Batteries completely loaded If the balance is not used for a longer time take out the batteries and store them separately Leaking battery liquid could damage the balance ...

Page 28: ...batteries Remove the battery compartment lid on the lower side of the balance Connect the battery block with batteries to the contact of the housing and insert into the battery compartment Fix it using the battery compartment lid ...

Page 29: ...ature see warming up time chap 1 During this warming up time the balance must be connected to the power supply mains accumulator or battery and be switched on The accuracy of the balance depends on the local acceleration of gravity The value of gravity acceleration is shown on the type plate 9 Operation 9 1 Weighing Start balance by pressing The balance carries out a self test The scales are ready...

Page 30: ... such as towel or padding on the weighing pan Wait for stability display Press the zero display appears example Put baby on the weighing pan Wait until the stability display appears then read the weighing result NET is shown at the bottom on the left When the balance is unloaded the saved taring value is displayed with negative sign To delete the stored tare value unload the balance and press ...

Page 31: ...o display Place the baby press will shortly be displayed and the HOLD symbol appears flashing During this time the weight is calculated example After that the weight of the baby is displayed and frozen The HOLD symbol is not more flashing After unloading the balance the weighing value is kept for 10 sec in the display the HOLD symbol flashes again during this time Then the balance returns automati...

Page 32: ...ted Selectable between 30 60 180 sec and off Switch on the balance in weighing mode press for approx 3 sec AF will be displayed Press the switch off time set as last will be displayed e g 30 Press or to set the desired switch off time e g 180 sec Acknowledge by The balance changes into the weighing mode the set switch off time now is saved ...

Page 33: ...tional height measuring rod Fixed stop min 30 cm Movable stop max 80 cm For this purpose proceed as follows Position the baby in a way that the head touches gently the fixed stop Push the movable stopper carefully till to the heel stopper Read the body height For further information for example installation refer to the instruction manual that comes with the height measurement ...

Page 34: ...tted before it can be reused for applications subject to verification 10 1 Navigation in the menu Call up menu Switch on the balance in weighing mode press for approx 3 sec until the first function AF appears Select function With help of or the individual functions can be selected one after the other Change settings Confirm selected function by The current setting will be displayed Select desired ...

Page 35: ...ription AF Automatic shutdown Auto off AF oFF Automatic shutdown switched off AF 30 Automatic shutdown after 30 min AF 60 Automatic shutdown after 60 min AF 180 Automatic shutdown after 180 min rSt reset to factory setting Reset weighing scale to factory setting ...

Page 36: ...ss load during zero setting of weighing scale Incorrect adjusting process Fault on load cell Battery capacity exhausted Zero 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 37: ...on fungal skin infection please observe the following time intervals for disinfection Weighing plate before and after any measurement with direct skin contact When required o Display o Touch sensitive keyboard Do not spray disinfectants onto appliance Make sure that disinfectant does not penetrate the interior of the balance Remove dirt immediately 12 3 Sterilisation Sterilisation of the appliance...

Page 38: ...inserted The displayed weight is permanently changing Draught air movement Table floor vibrations The weighing pan is in contact with foreign bodies or is not correctly positioned Electromagnetic fields static charging choose different location switch off interfering device if possible The weighing result is obviously incorrect The display of the balance is not at zero Adjustment is no longer corr...

Page 39: ...gation to verify exists as described above it must be verified and re verified at regular intervals Re verification of a balance is carried out according to the respective national regulations For verification validity period s chap 16 1 The legal regulation of the country where the balance is used must be observed Verification of the balance is invalid without the seal The seal marks attached on ...

Page 40: ... for example doctor s offices and nursing homes unlimited Baby weighing scales and mechanical birth weight scales 4 years Bed scales 2 years Scales in dialysis stations unlimited Also 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 Dat...

Page 41: ...st the display unit periodically in weighing operation Prepare the required adjustment weight The adjustment weight to be applied depends on the capacity of a weighing scale see chap 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 For war...

Page 42: ...desired setting with or and acknowledge by Put Ld is shortly displayed the first adjustment point 0 000 kg is displayed Unload the balance and confirm with example WAit followed by Put ld is displayed followed by the set adjustment weight Place the adjustment weight confirm with The adjustment is carried out after that the balance switches off automatically An adjusting error or incorrect adjustme...

Page 43: ...TMBA_B BA e 2118 43 16 Equipment optional Item number Type number Product MBA A01 TMBA A01 A Height measuring rod YKA 43 TYKA 43 A Power supply unit EU UK CH YKA 44 TYKA 44 A Power supply unit EU ...

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