{"product_id":"extech-42280a-temperature-and-humidity-data-logger","title":"Extech 42280A Temperature and Humidity Data Logger","description":"\u003ch2 style=\"text-align: center;\"\u003eExtech 42280A Temperature and Humidity Data Logger\u003c\/h2\u003e\n\n\u003ch4 style=\"text-align: center;\"\u003eHigh-Precision Environmental Monitoring with Storage for up to 48,000 Readings, USB Connectivity, and Automatic PDF Report Generation for Scientific Research and Conservation\u003c\/h4\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\nThe Extech 42280A is an advanced data logger specifically designed for continuous monitoring of environmental conditions in scientific research, natural resource management, and ecosystem conservation. This high-precision portable instrument simultaneously measures temperature, relative humidity, and dew point, displaying all information on an easy-to-read triple LCD with integrated date and time stamps. Its expanded internal memory stores up to 24,000 readings per parameter (48,000 total readings), making it ideal for long-term environmental monitoring in the field, laboratories, museums, archives, greenhouses, or biological sample storage facilities.\n\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\nEquipped with an integrated USB interface, the logger functions as a self-contained USB drive with built-in configuration software, allowing users to export analytical reports with detailed graphs directly in PDF or Excel format when connected to a PC. It also features configurable visual and audible alarms that immediately notify users whenever environmental conditions exceed preset limits, helping protect valuable biological resources, research projects, and sensitive environmental monitoring applications.\n\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eTriple LCD simultaneously displays relative humidity, temperature, date, and time.\u003c\/li\u003e\n\u003cli\u003eContinuous and accurate monitoring of essential environmental parameters.\u003c\/li\u003e\n\u003cli\u003eConfigurable audible and visual alarms notify users when measurements exceed preset thresholds.\u003c\/li\u003e\n\u003cli\u003eStores up to 48,000 total readings (24,000 temperature and 24,000 humidity readings) with time and date stamps.\u003c\/li\u003e\n\u003cli\u003eDirect export of analytical reports with graphs and statistics in PDF or Excel format when connected to a PC.\u003c\/li\u003e\n\u003cli\u003eFlexible configuration through the built-in keypad or PC software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eIn the Box\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eRequired Items\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eOptional Items\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\" style=\"text-align: justify;\"\u003e\n\n\u003cli id=\"tab1\" class=\"active\"\u003e\n\u003ctable style=\"width: 80%; margin: auto; height: auto;\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel \/ Version\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eStandard Model\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eNIST Model (Traceable Calibration Certificate)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTemperature Measurement Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 °C to 70 °C (-22 °F to 158 °F)\u003cbr\u003e*Note: Logger operates down to -20 °C (-4 °F)\u003c\/td\u003e\n\u003ctd\u003e-30 °C to 70 °C (-22 °F to 158 °F)\u003cbr\u003e*Note: Logger operates down to -20 °C (-4 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBasic Temperature Accuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C (±0.9 °F)\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C (±0.9 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaximum Temperature Resolution\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C \/ °F\u003c\/td\u003e\n\u003ctd\u003e0.1 °C \/ °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRelative Humidity Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 100% RH\u003c\/td\u003e\n\u003ctd\u003e0 to 100% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBasic Humidity Accuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e±3% RH (10 to 90% RH)\u003c\/td\u003e\n\u003ctd\u003e±3% RH (10 to 90% RH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaximum Humidity Resolution\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1% RH\u003c\/td\u003e\n\u003ctd\u003e0.1% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDew Point Calculation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0 °C to 50 °C (32 °F to 122 °F)\u003c\/td\u003e\n\u003ctd\u003e0 °C to 50 °C (32 °F to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSampling Rate\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable: 30 s, 5 min, 10 min, 30 min, 60 min, 90 min, 120 min\u003c\/td\u003e\n\u003ctd\u003eSelectable: 30 s, 5 min, 10 min, 30 min, 60 min, 90 min, 120 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMemory Capacity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24,000 temperature readings and 24,000 humidity readings\u003c\/td\u003e\n\u003ctd\u003e24,000 temperature readings and 24,000 humidity readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Supply\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × 1.5 V AA batteries (or optional 9 V AC adapter)\u003c\/td\u003e\n\u003ctd\u003e4 × 1.5 V AA batteries (or optional 9 V AC adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Conditions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 °C to 70 °C (-4 °F to 158 °F); \u0026lt;90% RH non-condensing\u003c\/td\u003e\n\u003ctd\u003e-20 °C to 70 °C (-4 °F to 158 °F); \u0026lt;90% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e12.07 × 8.89 × 3.81 cm (4.75 × 3.5 × 1.5 in)\u003c\/td\u003e\n\u003ctd\u003e12.07 × 8.89 × 3.81 cm (4.75 × 3.5 × 1.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.163 kg (5.7 oz)\u003c\/td\u003e\n\u003ctd\u003e0.163 kg (5.7 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCertifications\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003ctd\u003eCE \/ NIST Traceable Calibration Certificate\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years (6 months for cables and sensors)\u003c\/td\u003e\n\u003ctd\u003e2 years (6 months for cables and sensors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli id=\"tab2\"\u003e\n\u003cul\u003e\n\u003cli\u003e1× Extech 42280A Temperature and Humidity Data Logger\u003c\/li\u003e\n\u003cli\u003e1× Windows-compatible configuration software\u003c\/li\u003e\n\u003cli\u003e1× USB connection cable\u003c\/li\u003e\n\u003cli\u003e1× Universal AC power adapter\u003c\/li\u003e\n\u003cli\u003e4× 1.5 V AA batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli id=\"tab3\"\u003e\n\u003cul\u003e\n\u003cli\u003eAA batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli id=\"tab4\"\u003e\n\u003cul\u003e\n\u003cli\u003eHumidity Calibration Kit\u003c\/li\u003e\n\u003cli\u003e9 V AC Power Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e","brand":"Extech","offers":[{"title":"Regular","offer_id":45918694047827,"sku":"EXTE-42280A","price":0.0,"currency_code":"USD","in_stock":true},{"title":"With NIST Calibration","offer_id":45918694080595,"sku":"EXTE-42280A-NIST","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0228\/9323\/files\/11_910abb76-0365-4b05-9682-8dc7c5e94fbd.png?v=1786084604","url":"https:\/\/www.global.bioweb.co\/es\/products\/extech-42280a-temperature-and-humidity-data-logger","provider":"BIOWEB USA","version":"1.0","type":"link"}