{"product_id":"ludlum-model-2241-digital-scaler-ratemeter","title":"Ludlum Model 2241 Digital Scaler\/Ratemeter","description":"\u003cp\u003eThis instrument is a general purpose, digital ratemeter with a built-in scaler that facilitates timed counts over a user specified period. The LCD presents readings in a 4-digit moving decimal format together with one of a wide range of available units of measure and is accompanied by several operational and alert icons. The LCD backlight can be activated and remains lit for a user-adjustable interval. This instrument features adjustable Alert \u0026amp; Alarm setpoints for both the Ratemeter \u0026amp; Scaler modes. Front panel controls include a rotary switch for selecting between Off, Ratemeter Mode and Scaler Mode, switches for audio on\/off and fast\/slow response time, plus push buttons for activating the LCD backlight and one for either resetting the counts or acknowledging any alarms.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0649\/9853\/9318\/files\/landing_mockup_large.png\" alt=\"\" width=\"86\" height=\"107\"\u003eAdd a Counts.Pro for $499 to digitize your surveys and turn your meter into a digital scaler\/ratemeter\/cloud connected GPS datalogger!  \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\/p\u003e\n\u003cdiv class=\"detailWordsHeading\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"detailWordsText\"\u003e\n\u003cul class=\"features\"\u003e\n\u003cli\u003eDigital Ratemeter with Built-In Scaler\u003c\/li\u003e\n\u003cli\u003eAuto ranging\u003c\/li\u003e\n\u003cli\u003eAdjustable Alarms\u003c\/li\u003e\n\u003cli\u003eWide range HV\u003c\/li\u003e\n\u003cli\u003eOver range \u0026amp; Overload Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"detailWordsHeading\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"detailWordsText\"\u003e\n\u003cdiv\u003e\n\u003cspan style=\"color: #ffff99;\"\u003eI\u003cspan style=\"color: #000000;\"\u003eNDICATED USE:\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e general purpose survey, gross counting\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSUGGESTED DETECTORS: GM, proportional, scintillation\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eALERT\/ALARM: indicated by annunciation on display and audible tone\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDISPLAY: 4-digit LCD display with 1.3 cm (0.5 in.) high digits, separate annunciators for display units, alert, alarm, low battery, detector overload, counting overflow, and scaler counting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eBACKLIGHT: pushbutton to activate\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eRATEMETER: can display in R\/hr, Sv\/h, cpm, or cps when selector switch is in RATE position\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDISPLAY RANGE: auto ranging from 0.0 μR\/hr to 9999 R\/hr; 0.000 μSv\/h to 9999 Sv\/h; 0 cpm to 999 kcpm; or 0 cps to 100 kcps\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSCALER: adjustable from 1 to 9999 seconds (in 1-second intervals)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eLINEARITY: within 10 %\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eHIGH VOLTAGE: 400 to 2400 volts\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eDISCRIMINATOR: adjustable from 2 to 100 mV\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eBATTERY LIFE: typically 200 hours with alkaline batteries (low battery warning on LCD)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eSIZE: 16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 in.) (H x W x L)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000;\"\u003eWEIGHT: 1.6 kg (3.5 lb), including batteries\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ludlum","offers":[{"title":"Default Title","offer_id":43427454156854,"sku":"9518122311","price":807.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/9853\/9318\/files\/23494169031_9518122311-1.jpg?v=1737474691","url":"https:\/\/www.chpconsultants.com\/products\/ludlum-model-2241-digital-scaler-ratemeter","provider":"CHPConsultants","version":"1.0","type":"link"}