{"product_id":"ludlum-43-20-gas-proportional-detector","title":"Ludlum 43-20 Gas Proportional Detector","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe Model 43-20 is very similar to the Model 43-68 which replaced it. You get these at a slight discount. A large area gas proportional detector for use in simultaneous alpha\/beta surveys as well as alpha or beta survey\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003ci\u003e\u003cb\u003eAdd a Counts.Pro for $499 to turn your meter into a digital scaler\/ratemeter\/cloud connected datalogger! \u003cbr\u003e\u003ca title=\"See Here!\" href=\"https:\/\/store.chpconsultants.com\/search?q=COUnts.pro\u0026amp;submit=\"\u003eTake your meter to the next level with Counts.Pro\u003c\/a\u003e\u003c\/b\u003e\u003c\/i\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003eINDICATED USE:\u003c\/b\u003e Alpha-beta survey\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eRECOMMENDED COUNTING GAS:\u003c\/b\u003e P-10 (\u003ci\u003e10% methane, 90% argon\u003c\/i\u003e)\u003cbr\u003e\u003cb\u003eGAS RECHARGE:\u003c\/b\u003e Will operate on a static charge for over 15 hours with a 39\" cable\u003cbr\u003e\u003cb\u003eWINDOW:\u003c\/b\u003e Typically 0.8 mg\/cm² aluminized mylar (\u003ci\u003eother thicknesses available\u003c\/i\u003e)\u003cbr\u003e\u003cb\u003eWINDOW AREA:\u003c\/b\u003e\u003cbr\u003eActive - 181 cm²\u003cbr\u003eOpen - 143 cm²\u003cbr\u003e\u003cb\u003eEFFICIENCY (4pi geometry):\u003c\/b\u003e Typically 20% - Pu-239; 30% - Tc-99; 15% - C-14; less than 1% - gamma\u003cbr\u003e\u003cb\u003eBACKGROUND:\u003c\/b\u003e\u003cbr\u003eAlpha - Less than 5 cpm (\u003ci\u003ewhen operating on the alpha only plateau region\u003c\/i\u003e)\u003cbr\u003eBeta - Typically 400 cpm or less (\u003ci\u003e10 micriR\/hr field\u003c\/i\u003e)\u003cbr\u003e\u003cb\u003eCOMPATIBLE INSTRUMENTS:\u003c\/b\u003e Model 12, 16, 18, 2000, 2200, 2221, 2224, 2225, 2241, 2350-1\u003cbr\u003e\u003cb\u003eOPERATING VOLTAGE:\u003c\/b\u003e\u003cbr\u003eAlpha - Typically 1000 - 1500 volts\u003cbr\u003eBeta-gamma - Typically 1600 - 1800 volts\u003cbr\u003e\u003cb\u003eCOUNTER THRESHOLD SETTING:\u003c\/b\u003e Typically 2 - 5 mV\u003cbr\u003e\u003cb\u003eGAS CONNECTORS:\u003c\/b\u003e Double end quick disconnect\u003cbr\u003e\u003cb\u003eCONNECTOR:\u003c\/b\u003e Series \"C\" (\u003ci\u003eothers available\u003c\/i\u003e)\u003cbr\u003e\u003cb\u003eCONSTRUCTION:\u003c\/b\u003e Anodized aluminum housing\u003cbr\u003e\u003cb\u003eTEMPERATURE RANGE:\u003c\/b\u003e -4° F(-20° C) to 122° F(50° C)\u003cbr\u003eMay be certified for operation from -40° F(-40° C) to 150° F(65° C)\u003cbr\u003e\u003cb\u003eSIZE:\u003c\/b\u003e 3\"(7.6cm)H X 5\"(12.7cm)W X 8\"(20.3cm)L\u003cbr\u003e\u003cb\u003eWEIGHT:\u003c\/b\u003e 2 lbs (0.9kg)X\u003c\/p\u003e","brand":"Ludlum","offers":[{"title":"Default Title","offer_id":43427372728374,"sku":"214772297","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/9853\/9318\/files\/IMG-1642.heic?v=1781719955","url":"https:\/\/www.chpconsultants.com\/products\/ludlum-43-20-gas-proportional-detector","provider":"CHPConsultants","version":"1.0","type":"link"}