LWRM傷口放射性(xing)污(wu)染(ran)測量儀主(zhu)要用于α和β表面(mian)污(wu)染(ran)測量,可應用于多種場合;主(zhu)要用來檢測工(gong)作(zuo)(zuo)(zuo)人(ren)員(yuan)傷口、手(shou)、鞋、工(gong)作(zuo)(zuo)(zuo)服等表面(mian)受到的(de)污(wu)染(ran),以(yi)及放射性(xing)工(gong)作(zuo)(zuo)(zuo)場所的(de)地(di)面(mian)、桌面(mian)等表面(mian)污(wu)染(ran)。
儀(yi)器由主機和(he)探(tan)(tan)頭(tou)(tou)組成。主機部分采(cai)用(yong)(yong)點陣式OLED液晶屏(ping)作為顯示(shi)單元(yuan),五(wu)個實體按鍵(jian)進行(xing)操作,簡(jian)便(bian)快捷。探(tan)(tan)頭(tou)(tou)采(cai)用(yong)(yong)半導體探(tan)(tan)測(ce)器,靈(ling)敏(min)區直(zhi)徑(jing)20mm,可同時檢測(ce)α、β射線,γ靈(ling)敏(min)度(du)高,探(tan)(tan)頭(tou)(tou)端(duan)(duan)采(cai)用(yong)(yong)光面(mian)處理,保證(zheng)良(liang)好的去(qu)污(wu)特性。探(tan)(tan)頭(tou)(tou)和(he)主機之間采(cai)用(yong)(yong)屏(ping)蔽防水電纜設計,主機端(duan)(duan)和(he)探(tan)(tan)頭(tou)(tou)端(duan)(duan)均(jun)采(cai)用(yong)(yong)防水航空插頭(tou)(tou),保證(zheng)儀(yi)器的環境適(shi)應性。
儀器(qi)可實現報警(jing)閾值設(she)置(zhi)、聲光報警(jing)、測量模式切換、數據存儲通(tong)訊等功能,還可實現針(zhen)對不(bu)同(tong)人員或場所(suo)進行信(xin)息標記功能。
技術指標
探測器:半(ban)導(dao)體探測器
探(tan)頭靈敏窗面(mian)積:Φ20
探(tan)頭端口邊緣至靈敏窗距離(li):≥4.5mm
探頭窗鋁膜質量厚度:<1.1mg/cm2
探測效率:
α探(tan)測效率(lv):241Am或239Pu,2π方向,(源(yuan)距探(tan)頭膜距離小于(yu)4.5mm效率(lv)大于(yu)30%
β探測效率:204Tl或90Sr-90Y,2π方向(xiang),(源距(ju)探頭膜距(ju)離小(xiao)于10mm),效率大于30%
儀器(qi)本(ben)底: α≤0.5cpm,β≤70cpm;(正常本(ben)底情況下)
測量范(fan)圍:計數率0.1~999999cpm
γ輻射:靈敏度350CPS/uSv/h
劑量率范圍:0.01μSv/h~100mSv/h,累積劑量:0.1-500mSv
能量(liang)閾35keV,相對誤差:≤±15%
報(bao)警(jing)閾(yu)值連續可調(α:1~200cpm),有(you)聲光報(bao)警(jing)和液(ye)晶(jing)圖形報(bao)警(jing)提示(shi)
供電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)源:專用可(ke)替換(huan)式(shi)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)或4節普通 5 號電(dian)(dian)(dian)(dian)池(chi)(普通5號電(dian)(dian)(dian)(dian)池(chi)可(ke)在(zai)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)沒電(dian)(dian)(dian)(dian)時進行(xing)應急(ji)使(shi)用),充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)充(chong)滿電(dian)(dian)(dian)(dian)本底情(qing)況下(xia)可(ke)連續工作168小時以上
工作溫度范(fan)圍(wei):-20℃~50℃
工作濕度(du)范圍:相對(dui)濕度(du)≤90%(35℃)無凝結
尺寸重量:主機650g(不含電池(chi)):150mm*100mm*40mm
探頭160g:Φ33mm×145mm
彈簧連接線:120g
OLED液晶(jing)顯示,超(chao)寬可(ke)視(shi)角(jiao)度,陽光下可(ke)視(shi)
數(shu)據存(cun)儲(chu):可保存(cun)10000組測量(liang)數(shu)據
16)主機可選配多種探頭實現x/γ、中子等射線的測量