Wall Microphone Stethoscope bakeng sa Covert Ho Mamela Ka Mabota
Tšebeliso ea Sehlahisoa
Tlhaloso
Li-transducer tsena tse peli tsa motlakase tse mamelang ka sesebelisoa sa lebota ke tsona tse ntlafalitsoeng ka ho fetesisa lihlahisoa tse tšoanang matsatsing ana, tse ka fang bamameli leseli le hlakileng ka ho fetesisa leo ba tla le tseba.Ena ke amplifier e khethehileng e tla nka lerata le lenyenyane ka lintho tse tiileng joaloka lerako, e le hore u ka mamela se etsahalang ka lehlakoreng le leng.Microphone ke pini ea ceramic e etselitsoeng ho fetolela vibrate hore e be lerata le utloahalang.E na le li-transducer tse peli tse matla hammoho li kenyelletsa sesebelisoa se ikhethang sa ho beha leihlo ho thusa mapolesa, chankana joalo-joalo.
Tlhaloso ea Setsebi
| Matla a Letšoao | 1mW |
| Khafetsa ea Swing | @1KHz,6 Db (attenuation) @300Hz,15 Db |
| Karohano ea Attenuation ea Channel | >40 Db |
| Taolo ea Tekanyo ea Stereo | ±10Db |
| Non-linear Harmonic Distortion Coefficient | >0.5% |
| Range of Amplifier Dynamic | >60 Db |
| Tšenyo ea Matla (50% Bolumo) | 25mA |
| Betri | 4×1.5V AA betri |
| Kantle (PSU N/A) | 9~12V @ mA matla a phepelo |
| Li-headphone | 0.6Watt, 300 Ohms |
| Boholo (mm) | 128×99×23 |
| Boima ba 'mele | 500 grams |
Kenyelletso ea Khampani
Ka 2008, Beijing Hewei Yongtai Technology Co., LTD e thehiloe Beijing.Ho tsepamisa maikutlo ho nts'etsopele le ts'ebetso ea lisebelisoa tse khethehileng tsa tšireletso, haholo-holo ho sebeletsa molao oa tšireletso ea sechaba, mapolesa a hlometseng, sesole, meetlo le mafapha a mang a tšireletso ea naha.
Ka 2010, Jiangsu Hewei Police Equipment Manufacturing Co., LTD e thehiloe Guannan. E koahela sebaka sa 9000 square metres ea workshop le mohaho oa liofisi, e ikemiselitse ho haha sehlopha sa pele sa lisebelisoa tse khethehileng tsa ho etsa lipatlisiso le setsi sa nts'etsopele Chaena.
Ka 2015, setsi sa Reserch le nts'etsopele ea sesole-sepolesa se ile sa thehoa Shenzhen.Ho tsepamisa maikutlo ho nts'etsopele ea lisebelisoa tse khethehileng tsa tšireletso, ho thehile mefuta e fetang 200 ea lisebelisoa tsa ts'ireletso ea litsebi.
Lipontšo tsa mose ho maoatle
Beijing Heweiyongtai Sci & Tech Co., Ltd. ke Mofani ea ka Sehloohong oa EOD le Security Solutions.Basebetsi ba rona kaofela ke litsebi tse tšoanelehang tsa tekheniki le tsa botsamaisi ho u fa tšebeletso e khotsofatsang.
Lihlahisoa tsohle li na le litlaleho tsa tlhahlobo ea boemo ba naha le litifikeiti tsa tumello, kahoo ka kopo, kholiseha ho odara lihlahisoa tsa rona.
Taolo e tiileng ea boleng ho netefatsa bophelo bo bolelele ba ts'ebeletso ea sehlahisoa le basebelisi ba sebetsa ka polokeho.
Ka boiphihlelo ba indasteri ea lilemo tse fetang 10 bakeng sa EOD, lisebelisoa tsa Anti-terrorism, sesebelisoa sa bohlale, jj.
Re sebelitse ka botsebi bareki ba linaha tse fetang 60 lefatšeng ka bophara.
Ha ho MOQ bakeng sa lintho tse ngata, ho tsamaisoa ka potlako bakeng sa lintho tse hlophisitsoeng.
