低本(ben)底多(duo)道γ能譜儀(yi)儀(yi)器指標*符合(he)國家質(zhi)量技(ji)術監督檢驗檢疫(yi)總(zong)局發布實施的(de)(de)GB6566-2010《建筑材料(liao)放射性核素*》及GB50325-2001《民用(yong)建筑工(gong)程室內(nei)環(huan)境(jing)污染控制規范》的(de)(de)要求。是建材、土壤(rang)(rang)、生物、地質(zhi)樣品等γ能譜測量分析，空氣中(zhong)、土壤(rang)(rang)中(zhong)氡濃度的(de)(de)測量分析，建筑材料(liao)的(de)(de)快速無損檢測，環(huan)境(jing)輻射水(shui)平調查，核設施周圍環(huan)境(jing)γ輻射監測，鈾礦地質(zhi)樣品鈾、鐳、釷、鉀含量的(de)(de)分析的(de)(de)理想(xiang)工(gong)具。特點目(mu)前國內(nei)一款實(shi)(shi)際應(ying)用(yong)(yong)(yong)道數(shu)(shu)為2048道的多(duo)道γ譜(pu)儀；采(cai)(cai)用(yong)(yong)(yong)PMT輸(shu)出(chu)信號直(zhi)通(tong)采(cai)(cai)集(ji)方(fang)式,波形無(wu)畸變；全(quan)波采(cai)(cai)集(ji),無(wu)脈(mo)沖漏計,具(ju)(ju)有(you)(you)基線修正,干擾識別(bie)等智能化功能,實(shi)(shi)現高(gao)質(zhi)量能譜(pu)數(shu)(shu)據采(cai)(cai)集(ji)；最(zui)高(gao)數(shu)(shu)據通(tong)過率(lv):>333Kcps,可(ke)(ke)用(yong)(yong)(yong)于低、中、高(gao)各種活度(du)(du)放(fang)(fang)射(she)性(xing)(xing)(xing)樣(yang)品(pin)分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)；具(ju)(ju)有(you)(you)示波器顯示功能,可(ke)(ke)直(zhi)接觀察信號波形,測(ce)(ce)量期間可(ke)(ke)進行(xing)基線監測(ce)(ce)；測(ce)(ce)量期間可(ke)(ke)直(zhi)讀(du)計數(shu)(shu)率(lv)（cps）,直(zhi)接快速判別(bie)樣(yang)品(pin)放(fang)(fang)射(she)性(xing)(xing)(xing)強度(du)(du)；具(ju)(ju)有(you)(you)峰位(wei)監測(ce)(ce)功能,保(bao)(bao)證(zheng)數(shu)(shu)據采(cai)(cai)集(ji)質(zhi)量；特征譜(pu)段綜(zong)合分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)解譜(pu),全(quan)譜(pu)檢驗；具(ju)(ju)有(you)(you)多(duo)譜(pu)線對比功能,可(ke)(ke)用(yong)(yong)(yong)于科研、教(jiao)學及(ji)技(ji)術(shu)培訓等；具(ju)(ju)有(you)(you)粉末樣(yang)品(pin)測(ce)(ce)量、無(wu)損樣(yang)品(pin)測(ce)(ce)量、空氣(qi)氡測(ce)(ce)量及(ji)土壤氡測(ce)(ce)量四大功能；可(ke)(ke)配備專用(yong)(yong)(yong)于鈾的能譜(pu)分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)軟(ruan)件，實(shi)(shi)現用(yong)(yong)(yong)單一NaI探(tan)測(ce)(ce)器直(zhi)接獲取鈾、鐳、釷、鉀(jia)含量數(shu)(shu)據；低本底多(duo)道γ能譜(pu)儀技(ji)術(shu)指標（1）探(tan)測(ce)(ce)器：φ75mm×75mm的NAL晶體（2）總道數(shu)(shu)：512、1024、2048、4096道任選(xuan)，實(shi)(shi)際應(ying)用(yong)(yong)(yong)道數(shu)(shu)：2048道（3）能量分(fen)(fen)(fen)辨率(lv)：＜7.5%（137Cs）（4）微分(fen)(fen)(fen)非線性(xing)(xing)(xing)：＜0.05%（5）積(ji)分(fen)(fen)(fen)非線性(xing)(xing)(xing)：＜0.1%（6）直(zhi)流電(dian)(dian)源紋(wen)波:≤1mVrms（7）高(gao)壓電(dian)(dian)源紋(wen)波:≤20mV（8）系(xi)統穩定(ding)性(xing)(xing)(xing):≤1%（9）最(zui)高(gao)數(shu)(shu)據通(tong)過率(lv):>333kcps（10）脈(mo)沖對分(fen)(fen)(fen)辨率(lv)：500ns（11）分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)誤差(cha):符合GB6566-2010《建筑材料放(fang)(fang)射(she)性(xing)(xing)(xing)核素*》及(ji)《放(fang)(fang)射(she)性(xing)(xing)(xing)礦產地(di)質(zhi)分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)測(ce)(ce)試(shi)實(shi)(shi)驗室質(zhi)量保(bao)(bao)證(zheng)規范》（EJ/T751-93）的要求（12）分(fen)(fen)(fen)析(xi)(xi)(xi)(xi)范圍238U:（37～1×106）Bg226Ra:（37～1×106）Bg232Th:（12～4×105）Bg40K：0.1%～100%（13）測(ce)(ce)量不確定(ding)度(du)(du)（樣(yang)品(pin)放(fang)(fang)射(she)性(xing)(xing)(xing)活度(du)(du)＞37Bq）<10%（14）使用(yong)(yong)(yong)條件溫度(du)(du)：+5℃～+35℃濕度(du)(du)：≤90%電(dian)(dian)源：220V±10%50Hz（15）鉛屏蔽室尺寸及(ji)重量：680mm×105mm×235mm900kg37～1×106）Bg232Th:（12～4×105）Bg40K：0.1%～100%
