{"product_id":"ludlum-model-2929-with-model-43-10-1-digital-dual-channel-scaler-refurbished","title":"Ludlum Model 2929 with Model 43-10-1 Digital Dual Channel Scaler - Refurbished","description":"\u003cp\u003eThis instrument combines Ludlum's Model 2929 Dual Channel Scaler with its Model 43-10-1 Sample Counting Head to create an alpha\/beta sample counter. The Model 2929 is a dual-channel scaler incorporating a pulse height analyzer that provides alpha beta separation and displays the counts for each on dedicated six-digit LED readouts.\u003c\/p\u003e\n\u003cp\u003eThe Model 43-10-1 sample counting head is a scintillator\/zinc sulfide phoswitch with a sample tray accommodating up to a 5.1 cm (2 in.) diameter filter or planchet.  The system comes complete with interconnecting cable and with the detector\/sample tray joined to the scaler instrument to facilitate portability.\u003c\/p\u003e\n\u003cdiv class=\"detailWordsContainer\"\u003e\n\u003cdiv class=\"detailWordsHeading\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eSpecifications Model 2929\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailWordsText\"\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eINDICATED USE: scaler for alpha beta sample counting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDETECTOR COMPATIBILITY: phoswich or proportional type detectors\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eHIGH VOLTAGE: adjustable from 200-2500 volts\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eTHRESHOLDS:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\u003cspan style=\"color: #000000;\"\u003ebeta: 4 mV\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\u003cspan style=\"color: #000000;\"\u003ealpha: 175 mV\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eBETA WINDOW: 50 mV\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSCALERS: 2 ea. 6-digit LED displays with a range of 0-999999 counts\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSCALER LINEARITY: reading within 2% of true value\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eTIMER: thumb wheel adjustment from 0-99 minutes with selectable multipliers of x0.1, x1, x10, or EXT for manual timing\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDATA-OUTPUT: two 15-pin connectors allowing for recorder and printers (one for alpha, one for beta)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eAUDIO: built-in unimorph type speakers with volume controls to provide a dual tone (1 per channel) click-per-event audio\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eAMP OUT: “BNC” connector provides amplified detector pulse\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eMETER DIAL: 0-2.5 kV\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eMETER: 6.4 cm (2.5 in.) arc, 1 mA movement analog type\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003ePOWER: 95-250 Vac, 50-60 Hz single phase\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSIZE:  24.4 x 37.1 x 25.1 cm (9.6 x 14.6 x 9.9 in.) (H x W x D)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eWEIGHT: 5.5 kg (12.1 lb) including detector\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"detailWordsContainer\"\u003e\n\u003cdiv class=\"detailWordsHeading\"\u003e\u003cstrong\u003eSpecifications 43-10-1\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailWordsText\"\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eINDICATED USE: alpha\/beta sample counting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDETECTOR TYPE: scintillator: ZnS (Ag) adhered to plastic scintillation disk\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003ePHOTOMULTIPLIER TUBE: 5.1 cm (2 in.)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"color: #000000;\"\u003eOPERATING VOLTAGE: 500 to 1200 volts\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eWINDOW: 0.4 mg\/cm²\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eEFFICIENCY (4π): 37% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e239\u003c\/sup\u003e\u003c\/span\u003ePu; 32% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e230\u003c\/sup\u003e\u003c\/span\u003eTh; 39% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e238\u003c\/sup\u003e\u003c\/span\u003eU; 5% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e14\u003c\/sup\u003e\u003c\/span\u003eC; 27% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e99\u003c\/sup\u003e\u003c\/span\u003eTc; 29% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e137\u003c\/sup\u003e\u003c\/span\u003eCs; 26% for \u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e99\u003c\/sup\u003e\u003c\/span\u003eSr\/\u003cspan style=\"font-size: 8pt;\"\u003e\u003csup\u003e90\u003c\/sup\u003e\u003c\/span\u003eY \u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eBACKGROUND: \u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003ealpha: 3 cpm or less\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003ebeta: 80 cpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"color: #000000;\"\u003eSAMPLE HOLDER: anodized aluminum tray with sample ring to allow for 2.5 cm (1 in.) or 5.1 cm (2 in.) diameter samples\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eSAMPLE SIZE (maximum): 5.1 x 0.9 cm (2 x 0.4 in.) (Dia x L) \u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eSIZE: 23.6 x 11.4 x 23.6 cm (9.3 x 4.5 x 9.3 in.) (H x W x L) \u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003eWEIGHT: 1.9 kg (4.1 lb)\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cbr\u003e\n\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ludlum","offers":[{"title":"Default Title","offer_id":43427456024630,"sku":"214772033","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/9853\/9318\/files\/507544945_214772033-1.jpg?v=1737474705","url":"https:\/\/www.chpconsultants.com\/products\/ludlum-model-2929-with-model-43-10-1-digital-dual-channel-scaler-refurbished","provider":"CHPConsultants","version":"1.0","type":"link"}