{"product_id":"ludlum-alpha-beta-scintillation-detector-model-43-89","title":"Ludlum Alpha-Beta Scintillation Detector Model 43-89","description":"\u003ctable class=\"table table-bordered\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eIndicated Use\u003c\/th\u003e\n\u003ctd\u003eSimultaneous alpha and beta survey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDetector Type\u003c\/th\u003e\n\u003ctd\u003eZnS(Ag) adhered to 0.25 mm (0.01 in) thick plastic scintillator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWindow\u003c\/th\u003e\n\u003ctd\u003e1.2 mg\/cm\u003csup\u003e2  \u003c\/sup\u003emetalized polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"rowgroup\"\u003eWindow Area\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eActive: \u003c\/strong\u003eapprox. 125 cm\u003csup\u003e2\u003c\/sup\u003e (19.4 in\u003csup\u003e2\u003c\/sup\u003e)\u003cbr\u003e\n\u003cstrong\u003eOpen:\u003c\/strong\u003e approx. 100 cm\u003csup\u003e2\u003c\/sup\u003e (15.5 in\u003csup\u003e2\u003c\/sup\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtective Screen\u003c\/th\u003e\n\u003ctd\u003e0.76 mm (0.030 in.) thick stainless steel, 6.4 mm (0.25 in.) hex, 79% open\u003cbr\u003e\nOuter Dimensions (L x W): 168 x 92 mm (6.6 x 3.6 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEfficiency (4π)\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003csup\u003e239\u003c\/sup\u003ePu:\u003c\/strong\u003e 17.5%\u003cbr\u003e\n\u003cstrong\u003e\u003csup\u003e99\u003c\/sup\u003eTc: \u003c\/strong\u003e10%\u003cbr\u003e\n\u003cstrong\u003e\u003csup\u003e90\u003c\/sup\u003eSr\/\u003csup\u003e90\u003c\/sup\u003eY: \u003c\/strong\u003e17.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Background\u003cbr\u003e\n(10 µR\/hr field)\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eAlpha:\u003c\/strong\u003e 3 cpm or less\u003cbr\u003e\n\u003cstrong\u003eBeta:\u003c\/strong\u003e 300 cpm or less\u003cstrong\u003e\u003cbr\u003e\n\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"rowgroup\"\u003eCrosstalk\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eAlpha to Beta:\u003c\/strong\u003e 10% or less\u003cbr\u003e\n\u003cstrong\u003eBeta to Alpha:\u003c\/strong\u003e 1% or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDetector Uniformity\u003c\/th\u003e\n\u003ctd\u003e10% or less from average reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGamma Sensitivity\u003c\/th\u003e\n\u003ctd\u003eapprox. 20 cpm per µR\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhotomultiplier Tube\u003c\/th\u003e\n\u003ctd\u003e38 mm (1.5 in.) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003etypically 500 to 1000 V (1500 V max.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e-20 to 50 °C (-4 to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnvironmental Rating\u003c\/th\u003e\n\u003ctd\u003e\n\u003cabbr title=\"Ingress Protection\"\u003eIP\u003c\/abbr\u003e rating of 63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Ludlum","offers":[{"title":"Default Title","offer_id":43427597910070,"sku":null,"price":865.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/9853\/9318\/files\/PXL_20221024_161622046_2-scaled.jpg?v=1737476299","url":"https:\/\/www.chpconsultants.com\/products\/ludlum-alpha-beta-scintillation-detector-model-43-89","provider":"CHPConsultants","version":"1.0","type":"link"}