[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-640586-105":59,"doc-detail-640586-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","sounder-mod-hema-l-general-description-and-technical-features","Sounder mod. HEMA L - General description and technical features","","Sounder mod. HEMA L, HEMA LS, and HEMA LSP are low-consumption alarm sounders with high-brightness LED flashing units designed with anti-opening and anti-removal tamper protection. The internal microprocessor performs self-tests for battery, speaker, and drivers, supports sound and timing programming, and manages alarm counting. Key specifications cover voltage ranges, current consumption in standby and alarm, LED flashing life up to 1,000,000 flashes, timing options, environmental conditions, IP44 rating, and mounting and wiring instructions including tamper circuit series connection.",{"@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/sounder-mod-hema-l-general-description-and-technical-features/640586/",{"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/sounder-mod-hema-l-general-description-and-technical-features/640586.png","ImageObject",300,407,{"name":92,"@type":93},"Jasmine","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What tamper protections are included in Sounder mod. HEMA L series?","Question",{"text":112,"@type":113},"The sounders include anti-opening and anti-removal tamper functions, with devices detecting removal, opening, foam, and shock. Tamper activation opens the contact between TAMPER terminals to trigger the alarm.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the main electrical and consumption characteristics?",{"text":117,"@type":113},"They support nominal battery recharge from 13.0–13.8 Vdc, with specified minimum command and supplying ranges. Current consumption includes max consumption from the control panel, alarm battery consumption (with tolerance), flashing unit consumption, and standby consumption.",{"name":119,"@type":110,"acceptedAnswer":120},"How should the sounder be mounted and wired for reliable operation?",{"text":121,"@type":113},"Use 6mm plugs to fix the siren to the wall and ensure tamper operation. Route connection cables through the lower base holes, adjust settings via dipswitches if needed, connect battery and power supply to the alarm control panel, and close covers with provided screws while preventing condensation with the closed-cell neoprene disc.","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},640586,1793051435,{"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":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":46},2336478487870,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","L – LS – LSP  \nGENERAL DESCRIPTION  \nSounder mod. HEMA L is a low-consumption sounder with high-brightness LED flashing unit – anti-opening and anti-removal tamper – sound and timing programming – alarm counting – microprocessor self-test of: battery, speaker and drivers with dedicated anomaly negative output – programming of sounder trigger polarity – input for speaker block - permanent or momentary optical indication of alarm system ON/OFF (arming/disarming)– electronic board protected against polarity inversion and tropicalized through a special resin tropicalization process against bad weather conditions and moisture. External cover and sounder base are in ABS while the internal cover is made of zinc-plated steel. The tamper devices detecting removal, sounder opening, foam and shock are to be connected in series. In case of tamper attempt, they open the contact between the two TAMPER terminals thus triggering off the alarm.  \nSounder mod. HEMA LS: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits.  \nSounder mod. HEMA LSP: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits and anti-drilling device.  \nTECHNICAL FEATURES  \n\n| Voltage | Nominal battery recharge | 13.0 􀁲 13.8 Vdc |\n| --- | --- | --- |\n|  | Minimum command | 4.1 Vdc |\n|  | Minimum supplying | 10 Vdc |\n|  | Max supplying | 15 Vdc |\n| Current | Max consumption from control panel (for battery recharge and sound) | 500mA 􀁲 100 mA |\n|  | Battery consumption in alarm | 1.3 A +100/-300 mA |\n|  | Flashing unit consumption | 90mA 􀁲 10 mA |\n|  | Consumption in stand-by | 15mA |\n|  | Consumption from control inputs | +0.5 mA @Vc=12V; -0.3 mA @Vc=0V |\n|  | Open collector | -10mA Max |\n| Fundamental frequency |  | See CHART 6 |\n| Sound pressure |  | See DIAGRAM 1 |\n| Life of LED flashing light |  | 1,000,000 flashes |\n| Timings |  | 3 minutes, settable at 8 min |\n| Battery | Housing capacity | 12V 1.2Ah or 12V 2.2 Ah max |\n|  | Duration in stand-by | 120 hours using 12V 2.2 Ah model |\n| Control panel command |  | 2 or 3 wires |\n| Tamper switch |  | N.C. 0.2 A max; cover opening and sounder removal from wall |\n| Mechanic |  |  |\n| Cover |  | Painted ABS |\n| Base |  | ABS |\n| Internal cover |  | Zinc-plated steel |\n| Flash cover |  | Polycarbonate |\n| Temperature conditions |  | from –25° to +55° C |\n| Environmental class |  | Class IV |\n| IP protection |  | IP 44 |\n| Relative humidity condition |  | from 20% to 100% of RH |\n| Size |  | 330x210x110 (H x L x W) |\n| Weight |  | 1,957 gr |\n|  |  |  |\n| Standards compliance | Certification body\u003Cbr>(IMQ-SISTEMI DI SICUREZZA) | T031:2014 |\n|  |  | EN50131-4:2010 |\n| Security | L and LS models | Grade 3 |\n|  | LSP model | Grade 4 |\n\nMOUNTING:  \n1. Use the 6mm plugs to fix the siren on the wall; always check if the tamper works properly;  \n2. Insert the connection cables through the holes located on the lower part of the sounder base;  \n3. If necessary, modify the default settings by acting on the dipswitches as shown in the charts below;  \n4. Connect battery and power supply to the alarm control panel;  \n5. Close both internal and external covers using the screws provided.  \nBattery must have UL94-HB flammability rate.  \nPower supplying must be of SELV type.  \nAttention: To prevent condensation formation in the sounder, it is important to avoid any air flow inside the duct. To such purpose, run the cable in the closed cell neoprene disc (provided in the screw kit), by placing it between wall and sounder base.  \nThis operation prevents condensation from forming inside the sounder; condensation mostly appears in winter and it is usually caused by warm and humid air coming out of the wall where the sounder is installed and passing through the hole located on the sounder base.  \nCONNECTION SCHEMES  \n1.  FOUR-WIRE CONNECTION  \nConnect 13.8 Volt supplying coming from control panel to the dedicat","cbCaihkqCCBzyOx7","https://ap.wps.com/l/cbCaihkqCCBzyOx7","pdf",692820,"English","# GENERAL DESCRIPTION\n## TECHNICAL FEATURES\n## MOUNTING\n## CONNECTION SCHEMES\n## OPTICAL INDICATION OF SYSTEM STATUS\n## SOUNDER TIMING\n## TERMINAL 5-NEGATIVE SOUND-BLOCK INPUT\n## TERMINAL OUT ANM AND FAULTS LED","[{\"question\":\"What tamper protections are included in Sounder mod. HEMA L series?\",\"answer\":\"The sounders include anti-opening and anti-removal tamper functions, with devices detecting removal, opening, foam, and shock. Tamper activation opens the contact between TAMPER terminals to trigger the alarm.\"},{\"question\":\"What are the main electrical and consumption characteristics?\",\"answer\":\"They support nominal battery recharge from 13.0–13.8 Vdc, with specified minimum command and supplying ranges. Current consumption includes max consumption from the control panel, alarm battery consumption (with tolerance), flashing unit consumption, and standby consumption.\"},{\"question\":\"How should the sounder be mounted and wired for reliable operation?\",\"answer\":\"Use 6mm plugs to fix the siren to the wall and ensure tamper operation. Route connection cables through the lower base holes, adjust settings via dipswitches if needed, connect battery and power supply to the alarm control panel, and close covers with provided screws while preventing condensation with the closed-cell neoprene disc.\"}]","Sounder mod. HEMA L - General description and technical features | PDF",1792709973]