{"product_id":"hobo-u20-001-water-level-data-logger-freshwater","title":"HOBO Water Level Data Logger, Freshwater","description":"\u003cdiv class=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2593\/8322\/files\/onset_large.gif?v=1514413762\" alt=\"\" style=\"margin-right: 20px; margin-bottom: 1px; float: left;\" width=\"69\" height=\"33\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" id=\"product-overview\"\u003e\n\u003cp\u003e\u003cbr\u003eThe HOBO Water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is ideal for recording water levels and temperatures in shallow wells, streams, lakes and freshwater wetlands.  For saltwater deployments, such as brackish wetlands and tidal areas, see HOBO U20 Water Level Titanium (-Ti Models).\u003c\/p\u003e\n\u003ch3\u003eHighlighted Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLightning protection - no long signal wires, and electronics are shielded in stainless steel housing for use in freshwater.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/hoboware%C2%AE-pro-software\"\u003eHOBOware Pro\u003c\/a\u003e\u003c\/strong\u003e software provides easy conversion to accurate water level reading, fully compensated for barometric pressure, temperature, and water density.\u003c\/li\u003e\n\u003cli\u003eMultiple-rate sampling allows faster sampling at critical times such as when pumping starts or stops.\u003c\/li\u003e\n\u003cli\u003eAvailable in 4 depth ranges\u003c\/li\u003e\n\u003cli\u003eIdeal for use in wells, streams, lakes, wetlands and tidal areas\u003c\/li\u003e\n\u003cli\u003eNo-vent-tube design for easy reliable deployment\u003c\/li\u003e\n\u003cli\u003eDurable ceramic pressure sensor\u003c\/li\u003e\n\u003cli\u003e3-point NIST-traceable calibration certificate included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis data logger operates in outdoor and underwater environments.\u003c\/p\u003e\n\u003cp\u003eThe U20 data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-button blue-button\" id=\"kb-search-button\"\u003eNote:  HOBO data loggers require either the \u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/copy-of-onset%C2%AE-universal-optic-usb-base-station\"\u003eHOBO Waterproof Shuttle\u003c\/a\u003e or \u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/onset%C2%AE-universal-optic-usb-base-station\"\u003eUniversal Optic USB Base Station \u003c\/a\u003e and a USB Cable. (Note: A USB cable is included w\/ \u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/hoboware%C2%AE-pro-software\"\u003eHOBOware Pro\u003c\/a\u003e CD or USB software purchase). \u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/hoboware%C2%AE-pro-software\"\u003eHOBOware Pro\u003c\/a\u003e is required when using the U-DTW-1 \u003ca href=\"https:\/\/dynamic-aqua-supply.myshopify.com\/products\/copy-of-onset%C2%AE-universal-optic-usb-base-station\"\u003eHOBO Waterproof shuttle\u003c\/a\u003e.\u003c\/div\u003e\n\u003cdiv class=\"text-button blue-button\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-button blue-button\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-button blue-button\"\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"7\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eReal-time Clock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e± 1 minute per month 0° to 50°C (32° to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e2\/3 AA, 3.6 Volt lithium, factory-replaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eBattery Life (Typical Use)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e5 years with 1 minute or greater logging interval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eMemory (Non-volatile)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e64K bytes memory (approx. 21,700 pressure and temperature samples)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e210 g (7.4 oz)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eWetted Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003e316 stainless steel, Viton® o-rings, acetyl cap, ceramic sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eLogging Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003eFixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to the HOBOware software manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eLaunch Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003eImmediate start and delayed start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eOffload Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003eOffload while logging; stop and offload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cstrong\u003eBattery Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003eBattery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34%;\"\u003e\u003cimg width=\"24\" src=\"https:\/\/www.onsetcomp.com\/sites\/all\/themes\/onset\/onset-images\/icons\/CE.jpg\" height=\"19\" alt=\"CE Compliant\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 86%;\"\u003eThe CE Marking identifies this product as complying with all relevant directives in the European Union (EU).\u003cbr\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"product-tabs\"\u003e\n\u003cdiv class=\"quicktabs-wrapper quicktabs-style-onsetblue jquery-once-2-processed\" id=\"quicktabs-product-tabs\"\u003e\n\u003cdiv class=\"item-list\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Onset","offers":[{"title":"#U20-001-04 - Water Level Data Logger 13' Depth Freshwater","offer_id":45544011759747,"sku":"U20-001-04","price":737.0,"currency_code":"USD","in_stock":true},{"title":"#U20-001-01 - Water Level Data Logger 30' Depth Freshwater","offer_id":45544011792515,"sku":"U20-001-01","price":737.0,"currency_code":"USD","in_stock":true},{"title":"#U20-001-02 - Water Level Data Logger 100' Depth Freshwater","offer_id":45544011825283,"sku":"U20-001-03","price":737.0,"currency_code":"USD","in_stock":true},{"title":"#U20-001-03 - Water Level Data Logger 250' Depth Freshwater","offer_id":45544011858051,"sku":"U20-001-04","price":737.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2593\/8322\/products\/U20-001-01.jpg?v=1550010883","url":"https:\/\/dynamicaquasupply.com\/en-us\/products\/hobo-u20-001-water-level-data-logger-freshwater","provider":"Dynamic  Aqua-Supply","version":"1.0","type":"link"}