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It covers maintenance precautions, cleaning restrictions, chemical and impact warnings, and authorized access. The guide explains how to connect power, perform self-test readiness checks, understand the display and key functions, interpret cursor and battery indicators, and select a suitable vibration-free installation location with levelling procedures.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/bpa121-electronic-weighing-scale-user-manual-safety-instructions-operating-setup-guide/652614/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/bpa121-electronic-weighing-scale-user-manual-safety-instructions-operating-setup-guide/652614.png","ImageObject",300,407,{"name":92,"@type":93},"Mafia Boss","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What safety steps must be followed before maintenance or cleaning the BPA121 scale?","Question",{"text":112,"@type":113},"The scale must be powered off and unplugged during maintenance and cleaning to prevent electric shock or damage. Avoid flushing the weighing platform with water and use only a wrung wet cloth to wipe.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do you connect the power supply safely?",{"text":117,"@type":113},"Before connecting, verify that the voltage printed on the rating plate matches the local system voltage. Do not connect if it differs, and ensure the weighing platform has reached room temperature before switching on.",{"name":119,"@type":110,"acceptedAnswer":120},"What does the display show when the scale is ready after power connection?",{"text":121,"@type":113},"After the power plug is connected, the device runs a self-test. The scale is ready to operate when zero appears on the display.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},652614,1793052328,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962090760730,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","User Manual  \n BPA121   \nElectronic Weighing Scale  \n2  \nUser Manual  \nContents  \n1. General Information------------------------------------------------------------4  \n1.1 Safety Instructions-----------------------------------------------------------4  \n1.2 Power supply connection--------------------------------------------------4  \n1.3 Introduction------------------------------------------------------------------5  \n1.4 Commissioning--------------------------------------------------------------6  \n2. Basic operation------------------------------------------------------------------7  \n2.1 Switching on and off--------------------------------------------------------7  \n2.2 Zeroing------------------------------------------------------------------------7  \n2.3 Simple weighing-------------------------------------------------------------7  \n2.4 Weighing with tare----------------------------------------------------------8  \n3. Settings and Calibration-------------------------------------------------------9  \n3.1 LED brightness adjustment-------------------------------------------------9  \n3.2 Calibration-------------------------------------------------------------------9  \n4. Event and error messages----------------------------------------------------11  \n4.1 Error code and corrective measures-------------------------------------11  \n5. Technical data and accessories----------------------------------------------12  \n5.1 Technical data--------------------------------------------------------------12  \n6. Appendix-------------------------------------------------------------------------13  \n6.1 Geo Values------------------------------------------------------------------13  \n3  \nUser Manual   \n1 General Information  \n1.1 Safety Instructions  \nIn order to make your counting scale work in best condition, please read this user instructions carefully before using it!  \n• The scale must be powered off and unplugged during maintenance and clean, or it will cause electric shock or damage to counting scale.  \n• Flush the weighing platform with water is forbidden. Wet cloth wrung can be used to wipe weighing platform or scale pan.  \n• Chemicals such as solvent can't be touched, in case it corrodes the surface of scale and damages internal devices.  \n• Do not impact the scale with heavy weight. Make the scale work in best condition.  \n• Only authorized personnel may open the device.  \n• Devices with built-in storage battery.  \n• Ensure that the power socket outlet for the device is earthed and easily accessible, so that it can be de-energized rapidly in emergencies.  \n• Ensure that the supply voltage at the installation site lies within the range 85% to 110% of the local rated voltage.  \n• Check the power cable regularly. If it is damaged, disconnect the device immediately from the power supply.  \n1.2 Power supply connection  \nCAUTION  \nRisk of electric shock!  \n• Before connecting the power supply, check whether the voltage value printed on the rating plate corresponds to your local system voltage.  \n• Do not under any circumstances connect the device if the voltage value on the rating plate deviates from the local system voltage.  \n• Make sure the weighing platform has reached room temperature before switching on the power supply.  \n• Plug the power plug into the power socket.  \nAfter it has been connected, the device runs a self-test. The device is ready to operate when  \nzero appears on the display  \n4  \n1.3 Introduction  \n1.3.1 Display  \nDefault layout  \n\n| Weight (g) |\n| --- |\n| |\n| Zero g kg Net |\n\n1.3.2 Function keys  \n| Key | Name | Function in the\u003Cbr>operating mode | Function in the setting and calibration |\n| --- | --- | --- | --- |\n| | Power/Zero | • Power on/off\u003Cbr>• Set scale to zero, clear tare | • Used to accept what you have selected, and advance one softswitch at a time |\n| | Tare | • Remove the tare weight of the wrappage or pallet | • Used to select softswitch settings. |\n\n1.3.3 Indication of the cursor  \nZero: the scale is in g","cbCaihuCBcMOe96O","https://ap.wps.com/l/cbCaihuCBcMOe96O","pdf",1003209,15,"English","# 1 General Information\n## 1.1 Safety Instructions\n## 1.2 Power supply connection\n## 1.3 Introduction\n## 1.4 Commissioning\n# 2 Basic operation\n## 2.1 Switching on and off","[{\"question\":\"What safety steps must be followed before maintenance or cleaning the BPA121 scale?\",\"answer\":\"The scale must be powered off and unplugged during maintenance and cleaning to prevent electric shock or damage. Avoid flushing the weighing platform with water and use only a wrung wet cloth to wipe.\"},{\"question\":\"How do you connect the power supply safely?\",\"answer\":\"Before connecting, verify that the voltage printed on the rating plate matches the local system voltage. Do not connect if it differs, and ensure the weighing platform has reached room temperature before switching on.\"},{\"question\":\"What does the display show when the scale is ready after power connection?\",\"answer\":\"After the power plug is connected, the device runs a self-test. The scale is ready to operate when zero appears on the display.\"}]","BPA121 Electronic Weighing Scale - User Manual - Safety Instructions - Operating Setup Guide | PDF",1792881359,38]