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welcome founded in 1990 by a small group of scientists specializing in physics, seismology, electronics, and seismic instrumentation, pmd scientific, llc. manufactures a full range of seismic instrumentation, including standard and custom-built seismo-meters, force-balanced accelerometers, and high-resolution seismic and strong-motion data loggers and digitizers. our products operate successfully on six continents in more than twenty countries. pmd has also been the recipient of numerous small business innovation research grants, awarded by the national science foundation, the national oceanic & atmospheric administration, and the department of energy. the company is located in central connecticut half way between new york and boston. pmd seismometers are based on proprietary electrochemical technology, and equipped with unique features which are unavailable in traditional electromechanical sensors. the company's electrochemical seismic sensors are extremely robust

网站成立于2006年3月14日。网站主要内容为：seismometer, low noise seismometer, broadband seismometer, seimsic sensor, electrochemical seismometer, borehole seismometer, short period seismometer, medium period seismometer, robust seismometer, obs seismometer, ocean bottom seismometer, digital seismometer, seismometer immune to magnetic field, seismomraph, marine seismograph, ocean bottom seismographseismic data recorder,seismic data logger, multichannel data recorder, multichannel data logger, high resolution seismic data recorder, 24-bit data recorder, 24-bit seismic digitizer, 24-bit digitizer, marine data recorder, low power data recorder, strong motion data recorder, accelerometer, force-balance accelerometer, force-balanced accelerometer, fba, accelerograph, geophone, rotational seismometer, sp400, ep300, ep105, sp500, sp400u3, dr4000, das6102, smr6102, smla, sdl, sd6503, sml6102-xx, sml6501-xx, das6501, das6502, mp403, mp401, mp413, mp411, lc501, rsb20, r-1, r1, r2. r-2, pmd, pmdsci, pmd scientific等，网站后端技术使用apache http server。已开启GZIP压缩。pmdsci.com的域名年龄为19年2个月30天，注册商为eNom,LLC，DNS为dns1.alwayswebhosting.com,dns2.alwayswebhosting.com,dns3.alwayswebhosting.com，域名更新时间是2024年02月20日，域名过期时间是2025年03月14日，距离过期还有-91天。

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标题（Title）	20 个字符（一般不超过80个字符）	PMD Scientific, Inc.
关键词（KeyWords）	790 个字符（一般不超过100个字符）	seismometer,lownoiseseismometer,broadbandseismometer,seimsicsensor,electrochemicalseismometer,boreholeseismometer,shortperiodseismometer,mediumperiodseismometer,robustseismometer,obsseismometer,oceanbottomseismometer,digitalseismometer,seismometerimmunetomagneticfield,seismomraph,marineseismograph,oceanbottomseismographseismicdatarecorder,seismicdatalogger,multichanneldatarecorder,multichanneldatalogger,highresolutionseismicdatarecorder,-bitdatarecorder,-bitseismicdigitizer,-bitdigitizer,marinedatarecorder,lowpowerdatarecorder,strongmotiondatarecorder,accelerometer,force-balanceaccelerometer,force-balancedaccelerometer,fba,accelerograph,geophone,rotationalseismometer,sp,ep,ep,sp,spu,dr,das,smr,smla,sdl,sd,sml-xx,sml-xx,das,das,mp,mp,mp,mp,lc,rsb,r-,r,r.r-,pmd,pmdsci,pmdscientific
描述（Description）	1858 个字符（一般不超过200个字符）	foundedinbyasmallgroupofscientistsspecializinginphysics,seismology,electronics,andseismicinstrumentation,pmdscientific,inc.manufacturesafullrangeofseismicinstrumentation,includingstandardandcustom-builtseismometers,force-balancedaccelerometers,andhigh-resolutionseismicandstrong-motiondataloggersanddigitizers.ourproductsoperatesuccessfullyonsixcontinentsinmorethantwentycountries.pmdhasalsobeentherecipientofnumeroussmallbusinessinnovationresearchgrants,awardedbythenationalsciencefoundation,thenationaloceanic&atmosphericadministration,andthedepartmentofenergy.thecompanyislocatedincentralconnecticuthalfwaybetweennewyorkandboston. pmdseismometersarebasedonproprietaryelectrochemicaltechnology,andequippedwithuniquefeatureswhichareunavailableintraditionalelectromechanicalsensors.thecompany&#;selectrochemicalseismicsensorsareextremelyrobust,anddesignedtorequireminimalmaintenance,nomasslocksforhandlingandtransportation,andnomasscenteringoverthefulloperatingtemperaturerange.moreover,theycanstayfullyfunctionalatsignificantinstallationtilts.thesecharacteristics?alongwiththeverylowpowerconsumption?makeourseismometersespeciallywell-suitedforapplicationsontheoceanfloor. pmdhasnevershiedawayfromchallengesorspecialtasks,andovertheyearswehavesuccessfullydevelopedandproducedseveraluniqueseismicsensors: ?atriaxialisotropiclownoiseultra-lowpowerunderwaterseismometerwhichcanoperatenormallyinanyrandomorientation; ?atruerotationalhighresolutionseismometerwhichisentirelyinsensitivetotranslationalmotion.thesecondgenerationrotationalseismometercurrentlyinproductionhassignificantlybroaderpassbandandextremelyhighresolution,andisequippedwithforce-balancingmagneto-hydrodynamicfeedback. ?avibrationsensorforthebeamfocusingsystemoftheinternationallinearcolliderandotherparticleaccelerators.thesesensorscanoperateinextremelystrongmagneticfieldsofuptosixtesla.

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