Wall Microphone Stethoscope ya Covert Kumvera Kupyolera Mkhoma
Kugwiritsa Ntchito Mankhwala
Kufotokozera
Izi ziwiri mphamvu transducers kumvetsera mwa khoma chipangizo ndi kwambiri kusinthidwa mu mankhwala ofanana masiku ano, amene angapereke omvera bwino Audio zambiri iwo ati adziwe.Ichi ndi amplifier yapadera yomwe idzatenge phokoso laling'ono kupyolera muzinthu zolimba ngati khoma, kuti mumvetsere zomwe zikuchitika kumbali ina.Maikolofoni yolumikizana ndi pini ya ceramic yopangidwa mwapadera kuti isinthe kugwedezeka kukhala phokoso lomveka.Ili ndi ma transducers awiri amphamvu palimodzi amaphatikiza chipangizo chowunikira chapadera kuti athe apolisi, ndende ndi zina zotero.
Kufotokozera zaukadaulo
| Mphamvu ya Signal | 1mw pa |
| Kuchuluka kwa Swing | @1KHz, 6 Db (kuchepetsa) @300Hz,15Db |
| Kupatukana kwa Channel Attenuation | > 40 db |
| Stereo Balance Control | ±10Db |
| Wopanda mzere wa Harmonic Distortion Coefficient | > 0.5% |
| Range of Amplifier Dynamic | > 60 Db |
| Kuwonongeka kwa Mphamvu (50% Volume) | 25mA pa |
| Batiri | 4 × 1.5V AA batire |
| Zakunja (PSU N/A) | 9 ~ 12V @ mA mphamvu zamagetsi |
| Zomverera m'makutu | 0.6Watt, 300 Ohms |
| kukula (mm) | 128 × 99 × 23 |
| Kulemera | 500 gm |
Chiyambi cha Kampani
Mu 2008, Beijing Hewei Yongtai Technology Co., LTD inakhazikitsidwa ku Beijing.Kuyang'ana pa chitukuko ndi ntchito ya zida zapadera zotetezera, makamaka zimatumikira malamulo a chitetezo cha anthu, apolisi okhala ndi zida, asilikali, miyambo ndi madipatimenti ena a chitetezo cha dziko.
Mu 2010, Jiangsu Hewei Police Equipment Manufacturing Co., LTD inakhazikitsidwa ku Guannan.Kuphimba malo okwana 9000 sqm ya msonkhano ndi nyumba yomanga maofesi, cholinga chake ndi kumanga kafukufuku wa zida zachitetezo chapadera ndi chitukuko ku China.
Mu 2015, gulu lankhondo lapolisi la Reserch ndi chitukuko lidakhazikitsidwa ku Shenzhen. Focus pa chitukuko cha zida zapadera zachitetezo, apanga mitundu yopitilira 200 ya zida zotetezera akatswiri.
Ziwonetsero Zakunja
Beijing Heweiyongtai Sci & Tech Co., Ltd. ndi Wotsogola Wotsogola wa EOD ndi Security Solutions.Ogwira ntchito athu onse ndi akatswiri oyenerera aukadaulo ndi oyang'anira kuti akupatseni ntchito yokhutitsidwa.
Zogulitsa zonse zili ndi malipoti a mayeso amtundu wa akatswiri ndi ziphaso zololeza, kotero chonde dziwani kuti mwayitanitsa malonda athu.
Kuwongolera kokhazikika kuti zitsimikizire moyo wautali wazinthu zomwe zimagwiritsidwa ntchito komanso wogwiritsa ntchito akugwira ntchito motetezeka.
Ndili ndi zaka zopitilira 10 zamakampani a EOD, zida zothana ndi uchigawenga, chida chanzeru, ndi zina zambiri.
Tatumikira mwaukadaulo makasitomala opitilira 60 padziko lonse lapansi.
Palibe MOQ pazinthu zambiri, kutumiza mwachangu kwazinthu zosinthidwa makonda.
