{"product_id":"dw-85d-probe-transmitter","title":"DW 85D Probe\/Transmitter for Ditch Witch Subsite 8500TK Tracker","description":"\u003cul class=\"space-y-1 text-gray-700 text-sm\"\u003e\n\u003cli\u003e✅ Compatible with Ditch Witch 8500 TK and SubSite 850 series\u003c\/li\u003e\n\u003cli\u003e✅ Switchable frequency: 1.75 kHz \/ 11.2 kHz — two sondes in one\u003c\/li\u003e\n\u003cli\u003e✅ Depth: up to 4 m at 1.75 kHz, up to 18 m at 11.2 kHz\u003c\/li\u003e\n\u003cli\u003e✅ Inclination accuracy ±0.1% — replaces 850BGHD\u003c\/li\u003e\n\u003cli\u003e✅ 1-year warranty. Free shipping worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"text-gray-600 space-y-3 text-sm leading-relaxed\"\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDW-85D\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dual-frequency replacement transmitter compatible with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDitch Witch 8500 TK\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elocating system and the entire\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSubSite 850 series\u003c\/strong\u003e, including the 850BGHD. It combines two operating frequencies in a single body — switching between them by simply changing the battery installation direction.\u003c\/p\u003e\n\u003cp\u003eAt\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.75 kHz\u003c\/strong\u003e, the sonde is optimised for shallow bores up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 meters\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein soils with high electrical conductivity. At\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e11.2 kHz\u003c\/strong\u003e, it achieves a working depth of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18 meters\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor standard HDD applications. Both modes maintain the same\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e±0.1% inclination accuracy\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to select frequency:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ml-4 space-y-1 text-gray-600\"\u003e\n\u003cli\u003e— Insert batteries from the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etop\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.75 kHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e— Insert batteries from the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebottom\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e11.2 kHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe selected frequency is confirmed after 5 seconds.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWait 60 seconds\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eafter removing the batteries before switching frequency — the sonde continues to operate for 40–50 seconds after battery removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-t border-gray-200 pt-4\"\u003e\n\u003ch2 class=\"text-base font-semibold mb-3 text-gray-700\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-hidden rounded-xl border border-gray-200 shadow-sm\"\u003e\n\u003ctable class=\"w-full\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"spec-header text-white\"\u003e\n\u003cth class=\"px-5 py-3 text-left text-sm font-semibold\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"px-5 py-3 text-left text-sm font-semibold\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"divide-y divide-gray-100\"\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003eDitch Witch 8500 TK, SubSite 850 series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eFrequency\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e1.75 kHz \/ 11.2 kHz (switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eOperating Depth (1.75 kHz)\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eOperating Depth (11.2 kHz)\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e18 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eLength × Diameter\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e45.2 × 3.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e1,247 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eInclination Accuracy\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e±0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eMax Temperature\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eWarranty\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eReplaces\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003e850BGHD and SubSite 850 series probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spec-row\"\u003e\n\u003ctd class=\"px-5 py-3 text-sm font-medium text-gray-700\"\u003eCondition\u003c\/td\u003e\n\u003ctd class=\"px-5 py-3 text-sm text-gray-600\"\u003eNew, improved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sondex","offers":[{"title":"Default Title","offer_id":51989920284959,"sku":null,"price":1300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/4404\/2015\/files\/dw.jpg?v=1772645818","url":"https:\/\/www.sondex.shop\/products\/dw-85d-probe-transmitter","provider":"Sondex","version":"1.0","type":"link"}