Low capacity digital dynamometers and hanging scales (up to 300 kg)

<b>Operating Instructions Hanging Balances<i> </b></i><br> <i><b> </b></i><br> <br> <b>1 Technical </b><br> <b>Data </b><br> <i><b>KERN </b></i><br> <i><b>20K10 </b></i><br> <i><b>20K50 </b></i><br> <i><b>50K20 </b></i><br> <i><b>50K100 </b></i><br> 2.4 <br> Monitoring the test substances <br> The metrology features of the balance and any possible avail-<br> <i>Readout </i><br> <i>10 g </i><br> <i>50 g </i><br> <i>20 g </i><br> <i>100 g </i><br> able adjusting weight must be checked at regular intervals <br>within the scope of quality assurance. For this purpose, the <br> <i>Weighing range 20 kg </i><br> <i>20 kg </i><br> <i>50 kg </i><br> <i>50kg </i><br> answerable user must define a suitable interval as well as the <br> <br> nature and scope of this check. Information is available on <br>KERN's home page (www.kern-sohn.com) with regard to the <br> <i><b>KERN </b></i><br> <i><b>99K50 100K200 200K100 200K500</b></i><br> monitoring of balance test substances and the test weights <br> <i>Readout </i><br> <i>50 g </i><br> <i>200 g </i><br> <i>100 g </i><br> <i>500 g </i><br> required for this. Test weights and balances can be adjusted <br>quickly and at a reasonable price in KERN's accredited DKD <br> <i>Weighing range 99 kg </i><br> <i>100 kg </i><br> <i>200 kg </i><br> <i>200 kg </i><br> calibration laboratory (return to national normal). <br> <br> <br> <br> <b>2 </b><br> <b>Fundamental information (general) </b><br> <b>3 </b><br> <b>Fundamental safety information </b><br> 2.1 Intended <br> use <br> 3.1 Observe the information in the operating instructions <br> The balance you have acquired serves to determine the weigh-<br> Please read the operating instructions carefully before erecting <br> ing value of the material to be weighed. It is intended to be <br> and commissioning, even if you already have experience with <br> used as a "non-automatic" balance, i.e. the material to be <br> KERN balances. <br> weighed is manually and carefully attached at the balance. The <br>weighing value can be read off after a stable weighing value <br> 3.2 Staff <br> training <br> has been obtained. <br> The device may only be operated and looked after by trained <br>members of staff. <br> 2.2 Inappropriate <br> use <br> <b>4 </b><br> <b>Transport and storage </b><br> Do not use the balance for dynamic weighing. In the event that <br>small quantities are removed or added to the material to be <br> 4.1 Acceptance <br> check <br> weighed, incorrect weighing results can be displayed due to the <br>"stability compensation" in the balance. (Example: Slow flow of <br> Please check the packaging immediately upon delivery and the <br> liquids from a container suspended from the balance). <br> device during unpacking for any visible signs of external dam-<br> Do not suspend a permanent load from the balance This can <br> age. <br> damage the measuring equipment (Risk of fracture). Be sure <br>to avoid impact shock and overloading the balance in excess of <br> 4.2 Packaging <br> the prescribed maximum load rating (max.), minus any possi-<br> Please retain all parts of the original packaging in case it <br> ble tare weight that is already present. This could cause dam-<br> should be necessary to return items at any time. <br> age to the balance(danger of fracture). <br> Only the original packaging should be used for return consign-<br> <b>Important: </b><br> ments. Before despatch, disconnect all attached cables and <br> - <br> <b>Always make sure that there are no people or materi-</b><br> loose/movable parts. Apply any intended transport security <br> <b>als below the load that could be injured or damaged! </b><br> devices. Secure all parts, e.g. glass windshield, weighing plate, <br> - <br> <b>The balance is not suitable for weighing people. </b><br> power unit etc., to prevent slipping and damage. <br> - <br> <b>The balance does not comply with the medical prod-<br>uct law (MPG).</b> <br> <b>5 </b><br> <b>Unpacking, installation and commissioning </b><br> Never operate the balance in hazardous locations. The series <br> 5.1 <br> Place of installation, place of use <br> design is not explosion-proof. Structural alterations may not be <br>made to the balance. This can lead to incorrect weighing re-<br> The balance is constructed in such a way that reliable weighing <br> sults, faults concerning safety regulations as well as to destruc-<br> results can be achieved under normal application conditions. <br> tion of the balance. The balance may only be used in compli-<br> By selecting the correct application location<b><i> f</b></i>or your balance, <br> ance with the described guidelines. Varying areas of applica-<br> you will be able to work quickly and precisely. <br> tion/planned use must be approved by KERN in writing. <br> <i><b>Therefore please observe the following at the </i>application <br>location<i>: </b></i><br> 2.3 Guarantee <br> · Avoid extreme heat as well as temperature fluctuation <br> caused by installing next to a radiator or in the direct <br> The guarantee is not valid following <br> sunlight; <br> - non-observation of our guidelines in the operating instruc-<br> · Protect the balance against direct draughts due to open <br> tions <br> windows and doors; <br> - use outside the described applications <br> · Avoid jarring during weighing; <br> - alteration to or opening of the device <br> · Protect the balance against high humidity, vapours and <br> - mechanical damage and damage caused by media, liquids <br> dust; <br> - natural wear and tear <br>- inappropriate erection or electric installation <br>- overloading of the measuring equipment <br> <i> HCB-BA-defsi-0421</i> <br> <i>5</i><br> <hr> Do not expose the device to extreme dampness for longer <br> <br> periods of time. Inadmissible bedewing (condensation of air <br> <i><b>KERN </b></i><br> <i><b>20K10</b></i><br> <i><b>20K50 </b></i><br> <i><b>50K20 </b></i><br> <i><b>50K100 </b></i><br> moisture on the device) can occur if a cold device is taken <br> <i>Adjusting weight </i><br> into a significantly warmer environment. In this case, <br> <i>10 kg </i><br> <i>10 kg </i><br> <i>20 kg </i><br> <i>20 kg </i><br> please acclimatise the device for approx. 2 hours at room <br> <i>(not included) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> temperature after it has been disconnected from the bat-<br> <br> terys. <br> <i><b>KERN </b></i><br> <i><b>99K50</b></i><br> <i><b>100K200 </b></i><br> <i><b>200K100 </b></i><br> <i><b>200K500 </b></i><br> · Avoid static charging of the material to be weighed, weigh-<br> <i>Adjusting weight </i><br> ing container and windshield. <br> <i>50 kg </i><br> <i>50 kg </i><br> <i>100 kg </i><br> <i>100 kg </i><br> <br> <i>(not included) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> <i>(M3) </i><br> Major display deviations (incorrect weighing results) are possi-<br>ble if electromagnetic fields occur as well as due to static <b>7 Operation </b><br> <b>Instruction </b><br> charging and instable power supply. It is then necessary to <br>change the location. <br> 7.1 Weighing <br> 5.2 Unpacking <br> · The balance is switched on by pressing the "<b>ON/OFF</b>" key. <br>· The balance display shows <b>"0.0".</b> <br> Carefully remove the balance from its packaging, remove the <br>plastic wrapping and position the balance in its intended work-<br> · Hook the object being weighed. <br> ing location. <br> · The steady reading is the weight of the object. <br>· If the weighing object is heavier than the weighing range the <br> 5.2.1 <br> List of items supplied <br> display indicates "<b>E"</b> (=Overload). <br> · The balance is switched off by pressing the "<b>ON/OFF"</b> key <br> Standard accessories: <br> once. <br> · Hanging balance <br>· Batteries <br> 7.2 Taring <br> · Operating instructions<i> </i><br> · Switch the balance on with "<b>ON/OFF"</b> key and wait for <b>"0.0"</b> <br> to appear in the display. Hang the tare load and press the <br> 5.3 <br> Battery operation and change <br> "<b>TARE</b>" key. <br> Push off the battery cover on the back of the balance. Insert 3 <br> · The balance display becomes "<b>0.0".</b> The weight of the <br> AAA batteries. Replace the battery cover. When the batteries <br> tare load has however been memorised internally. The <br> are exhausted the message "<b>LO</b>" appears in the balance dis-<br> item to be weighed can now be placed in the tare con-<br> play. Press the "<b>ON/OFF"</b> key and replace the batteries imme-<br> tainer and the weight can be read off. <br> diately. To preserve battery life the balance switches off auto-<br>matically after 4 minutes if no weighing has taken place. <br> 7.3 Data <br> HOLD <br> · When the "<b>HOLD</b>" key is pressed, the display value (even <br> <b>6 Adjustment </b><br> when the weight values vary) shown on the display will be <br> As the acceleration value due to gravity is not the same at <br> held 5 seconds. <br> every location on earth, each balance must be coordinated <br> <br> in compliance with the underlying physical weighing principle - <br> <b>8 </b><br> <b>Maintenance, upkeep, disposal </b><br> to the existing acceleration due to gravity at its place of location <br>( only if the balance has not already been adjusted to the loca-<br> 8.1 Cleaning <br> tion in the factory). This adjustment process must be carried <br>out during the initial start-up, after change in location and varia-<br> Only use a cloth dampened with mild suds and not aggressive <br> tion of surrounding temperature. It is also recommendable to <br> cleaning agents (solvents or similar). Please ensure that fluids <br> adjust the balance periodically during weighing operation in <br> are not able to get into the device and rub off using a clean, <br> order to obtain exact measured values. <br> soft cloth. Loose sample residue/powder can be removed <br>carefully using a brush or hand vacuum cleaner. <br> 6.1 Adjusting <br> 8.2 Maintenance, <br> upkeep <br> Using a precision weight, the accuracy of the balance can be <br>checked at any time and adjusted. <br> The device may only be opened by trained service engineers <br> Adjustment procedure: <br> authorised by KERN. <br> Check that the surrounding conditions are stable. A short <br>warm-up time of about 1 minutes are recommended for stabi-<br> 8.3 Disposal <br> lisation. <br> The operating company shall dispose of the packaging and the <br> Press "<b>TARE</b>" key approx. 15 seconds, "<b>CAL</b>" and then the <br> device in compliance with the valid national or regional law of <br> exact weight of the adjusting weight will appear at the display. <br> the operating location. <br> Hang on the adjusting weight on the hook of the hanging bal-<br>ance. " <b>F</b>" will appear a short time later, and then turn off. <br>In case of an adjusting error or a wrong adjusting weight " <b>E</b>" <br>appears in the display. <br> <i>6</i> <br> <i>HCB-BA-defsi-0421</i> <br> <hr> <b>9 Troubleshooting </b><br> <b> </b><br> The balance should be switched off for a short time following an interruption in the programme sequence. It is then necessary to <br>repeat the weighing process from the beginning. <br> <i><b>Interruption Possible </b></i><br> <i><b>cause </b></i><br> <i>Weight display is not illumi-</i><br> · <i>The balance is not switched on. </i><br> <i>nated. </i><br> · <i>The batteries are wrongly inserted, the batteries are empty </i><br> <i> </i><br> · <i>No batteries are attached </i><br> <i> </i><br> <i> </i><br> <i>The weight display changes </i><br> · <i>Draught/air movement </i><br> <i>continually </i><br> · <i>Table/floor vibrations </i><br> · <i>Vibrations on the balance suspension </i><br> · <i>Electromagnetic fields / static charging (choose different location/switch off interfering </i><br> <i>device if possible) </i><br> <i> </i><br> <br> <i>The weighing result is obvi-</i><br> · <i>The balance display is not set to zero </i><br> <i>ously incorrect </i><br> · <i>Adjustment is no longer correct. </i><br> · <i>Great fluctuations in temperature. </i><br> · <i>Electromagnetic fields / static charging (choose different location/switch off interfering </i><br> <i>device if possible) </i><br> Switch the balance off if other error messages should appear and then switch on again. Contact the manufacturer if the error <br>message does not disappear. <br> <br> <b> </b><br> <br> <b>Important using informations </b><br> <br> <br> <b> NO </b><br> <b> </b><br> <b> NO O.K. </b><br> <b> </b><br> <br> <br> <br> <b> </b><br> <b>- Don't use with pressure - Don't twist - Just using with tension </b><br> <br> <b> </b><br> <i>HCB-BA-defsi-0421</i> <br> <i>7</i><br> <hr> <br> <noscript>Contacter le Webmaster : <A href="http://www.creation-sites-internet.be">création de sites internet</A></noscript>