{"product_id":"hobo-u20l-01-water-level-data-logger","title":"HOBO Water Level (30 ft) Data Logger","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\u003ch4\u003e\u003cstrong\u003eProduct Code: U20L-01\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003eThe HOBO U20L-01 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment.\u003c\/p\u003e\n\u003cp\u003eThis data logger requires 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 the \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 for configuration and data offload, HOBOware software (free download). NOTE: \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 Waterproof Shuttle. \u003c\/p\u003e\n\u003cp\u003eHighlighted FeaturesSelf-contained non-vented design enables easy deployment\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 1em;\"\u003eSelf-contained non-vented design enables easy deployment\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 1em;\"\u003eIdeal for use in both fresh and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas \u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 1em;\"\u003eDepths up to 30 feet\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 1em;\"\u003eDurable ceramic pressure sensor withstands freezing\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 1em;\"\u003eHOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure, \u003c\/span\u003e\u003cspan style=\"font-size: 1em;\"\u003etemperature, and water density\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis data logger operates in outdoor and underwater environments.\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"7\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ccolgroup\u003e\u003ccol width=\"20%\"\u003e\u003c\/colgroup\u003e \u003ccolgroup\u003e\u003ccol width=\"80%\"\u003e\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 207 kPa (0 to 30 psia); approximately 0 to 9 m (0 to 30 ft) of water depth at sea level, or 0 to 12 m (0 to 40 ft) of water at 3,000 m (10,000 ft) of altitude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFactory Calibrated Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e69 to 207 kPa (10 to 30 psia), 0° to 40°C (32° to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBurst Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e310 kPa (45 psia) or 18 m (60 ft) depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Level Accuracy*\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTypical error: ±0.1% FS, 1.0 cm (0.03 ft) water\u003cbr\u003eMaximum error: ±0.2% FS, 2.0 cm (0.06 ft) water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eRaw Pressure Accuracy**\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3% FS, 0.62 kPa (0.09 psi) maximum error\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Response Time (90%)***\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1 second at a stable temperature; measurement accurac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable border=\"0\" cellpadding=\"7\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd bgcolor=\"#E2E2E2\" colspan=\"2\" valign=\"TOP\"\u003e\u003cstrong\u003eTemperature Measurements\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20° to 50°C (-4° to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F), see Plot A \u003cspan\u003ein manual\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.10°C at 25°C (0.18°F at 77°F), see Plot A \u003cspan\u003ein manual\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time (90%)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 minutes in water (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eStability (Drift)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.18°F) per year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable border=\"0\" cellpadding=\"7\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"#E2E2E2\" valign=\"TOP\"\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eLogger\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eReal-time Clock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 minute per month 0° to 50°C (32° to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\/3 AA, 3.6 Volt lithium, factory-replaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life (Typical Use)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 years with 1 minute or greater logging interval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory (Non-volatile)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64K bytes memory (approx. 21,700 pressure and temperature samples)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 154 g (5.43 oz) in air Approximately 53.9 g (1.9 oz) in fresh water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.18 cm (1.25 inches) diameter, 15.24 cm (6.0 inches) length; mounting hole 6.3 mm (0.25 inches) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWetted Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene housing and lanyard; Viton and Buna-N O-rings; ceramic sensor in acetyl end cap; stainless steel screws suitable for saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eLogging Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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 \u003cem\u003eHOBOware User’s Guide\u003c\/em\u003e for details.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eLaunch Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImmediate start and delayed start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOffload Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOffload while logging; stop and offload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"TOP\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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\u003e\u003cstrong\u003eEnvironmental Rating:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv id=\"product-tabs\"\u003e\n\u003cdiv id=\"quicktabs-product-tabs\" class=\"quicktabs-wrapper quicktabs-style-onsetblue jquery-once-2-processed\"\u003e\n\u003cdiv class=\"item-list\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Onset","offers":[{"title":"Default Title","offer_id":39665136992387,"sku":"U20L-01","price":461.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2593\/8322\/products\/U20L-01.jpg?v=1645117049","url":"https:\/\/dynamicaquasupply.com\/en-us\/products\/hobo-u20l-01-water-level-data-logger","provider":"Dynamic  Aqua-Supply","version":"1.0","type":"link"}