{"product_id":"van-essen-instruments-td-diver-data-logger","title":"Van Essen Instruments TD-Diver Data Logger","description":"\u003ch2\u003eTD-Diver, the industry-standard water level datalogger.\u003c\/h2\u003e\n\u003cp\u003eThe TD-Diver is a submersible datalogger for long-term uninterrupted, real-time water level monitoring using a pressure sensor when submerged at a fixed level under the water surface. The pressure sensor measures the equivalent hydrostatic pressure of the water above the sensor diaphragm to calculate the total water depth. The Diver autonomously measures pressure and temperature and records them in its internal memory. The Diver is ideal for ground and surface water level applications.\u003c\/p\u003e\n\u003cp\u003eThe TD-Diver features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for up to 10 years of use.\u003c\/li\u003e\n\u003cli\u003eSolid enclosure to make borehole deployments easier.\u003c\/li\u003e\n\u003cli\u003eSpend less time in the field with fast download speeds.\u003c\/li\u003e\n\u003cli\u003eLarge memory enable susers to take a sample every 15 minutes for 2 years.\u003c\/li\u003e\n\u003cli\u003eEnhanced data integrity with the new backup memory feature.\u003c\/li\u003e\n\u003cli\u003eCompatible with all of your existing Diver accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Diver features a stainless steel (316 L) casing with a 22 mm diameter. The TD-Diver can store a maximum of 72,000 measurements (date\/time, pressure, and temperature) in its working memory and 72,000 measurements in its backup memory.\u003c\/p\u003e\n\u003cp\u003eThe TD-Diver samples pressure and temperature at fixed length intervals and stores these values in fixed length or continuous memory.\u003c\/p\u003e\n\u003cp\u003eThe TD-Diver is available in the following pressure ranges: 10 m, 20 m, 50 m, and 100 m.\u003c\/p\u003e\n\u003c!-- more --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"headline\"\u003eFeatures and Benefits\u003c\/span\u003e \u003cspan class=\"sub-headline\"\u003eClick here to learn more about the product.\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"indent-content\"\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact size: Ø 22 mm – length 110 mm\u003c\/li\u003e\n\u003cli\u003eMemory: 72,000 records of time stamp, pressure and temperature with backup\u003c\/li\u003e\n\u003cli\u003eContinuous and fixed length memory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEasy installation in almost every well\u003c\/li\u003e\n\u003cli\u003eCost effective frequent, long-term measuring\u003c\/li\u003e\n\u003cli\u003eReliable and accurate data\u003c\/li\u003e\n\u003cli\u003eLow maintenance, no user calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"headline\"\u003eApplications\u003c\/span\u003e \u003cspan class=\"sub-headline\"\u003eClick here to view product applications.\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"indent-conent\"\u003eLong-term water level monitoringGroundwater monitoring projectsGroundwater monitoring network automationWatershed, drainage basin and recharge areasStream gauging, lake levels and reservoirsWetlands and storm water run-off monitoring\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"headline\"\u003eKey Specifications\u003c\/span\u003e \u003cspan class=\"sub-headline\"\u003eClick here to view product specifications.\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"indent-content\"\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e72,000 measurements with backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e104 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003estainless steel 316L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery life\u003c\/td\u003e\n\u003ctd\u003eup to 10 years (dependent on usage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample interval\u003c\/td\u003e\n\u003ctd\u003e½ second to 99 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample methods\u003c\/td\u003e\n\u003ctd\u003eFixed interval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePressure\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart No.\u003c\/th\u003e\n\u003cth\u003eDI801\u003c\/th\u003e\n\u003cth\u003eDI802\u003c\/th\u003e\n\u003cth\u003eDI805\u003c\/th\u003e\n\u003cth\u003eDI810\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003emeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy*\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e±1.0\u003c\/td\u003e\n\u003ctd\u003e±2.5\u003c\/td\u003e\n\u003ctd\u003e±5.0\u003c\/td\u003e\n\u003ctd\u003ecmH2O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003ctd\u003e0.4\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003ecmH2O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTemperature\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e-20 .. +80\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy*\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*typical, see product manual for full technical specification\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Van Essen Instruments","offers":[{"title":"10 m","offer_id":64192410812785,"sku":"DI801","price":791.8,"currency_code":"USD","in_stock":true},{"title":"20 m","offer_id":64192410845553,"sku":"DI802","price":791.8,"currency_code":"USD","in_stock":true},{"title":"50 m","offer_id":64192410878321,"sku":"DI805","price":791.8,"currency_code":"USD","in_stock":true},{"title":"100 m","offer_id":64192410911089,"sku":"DI810","price":791.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0515\/5992\/3873\/files\/td-diver-di8xx-800-768x768.png?v=1784082023","url":"https:\/\/www.davisinstruments.com\/products\/van-essen-instruments-td-diver-data-logger","provider":"Davis Instruments","version":"1.0","type":"link"}