{"product_id":"onwa-pulse-sonar-dieptemeter","title":"ONWA Pulse Sonars - Depth Sounders","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eFor those who want to get the most out of their ONWA chartplotter or fishfinder, ONWA's PULS transducers are the perfect choice. Models like the KTD-TH520, KTD-TM520, NMM-40-50\/200T, and TMM 40-50\/200X-T combine reliable technology with accurate depth display and optimal fish detection.\u003c\/p\u003e\n\u003cp\u003eAll models work with proven dual-frequency technology (50\/200 kHz), providing both detailed images in shallow water and strong penetration in deep water.\u003cbr\u003eThe wide 50 kHz beam (±60°) gives an overview, while the narrow 200 kHz beam (±12°) ensures accurate detailed measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe power of ONWA PULS technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅ Dual frequency 50\/200 kHz for optimal coverage\u003cbr\u003e✅ Compatible with ONWA KM-Series, KP-Series and K-Astral Series.\u003cbr\u003e✅ Built-in temperature sensor (in most models) for better fish location\u003cbr\u003e✅ Variety of mounting options (thru-hull, transom, heavy duty)\u003cbr\u003e✅ Robust construction materials: plastic or bronze\u003c\/p\u003e\n\u003ch5\u003eKTD-TH520 – compact and versatile thru-hull model\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe KTD-TH520 is a plastic thru-hull transducer with a temperature sensor. Ideal for recreational users who want a neat, permanent installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual frequency 50\/200 kHz\u003c\/li\u003e\n\u003cli\u003eNarrow beam (12° at 200 kHz) for high resolution\u003c\/li\u003e\n\u003cli\u003eSuitable for depth measurement and fishfinder applications\u003c\/li\u003e\n\u003cli\u003eNOT suitable for wooden vessels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for fiberglass hulls and standard use.\u003c\/p\u003e\n\u003ch5\u003eKTD-TM520 – flexible transom mounting\u003c\/h5\u003e\n\u003cp\u003eThe KTD-TM520 is a practical transom-mount transducer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy transom mounting\u003c\/li\u003e\n\u003cli\u003e300 W nominal \/ 600 W max power\u003c\/li\u003e\n\u003cli\u003eTemperature sensor and robust plastic housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for small motorboats or those who want to keep installation simple.\u003c\/p\u003e\n\u003ch5\u003eNMM-40-50\/200T – professional bronze version\u003c\/h5\u003e\n\u003cp\u003eThe NMM-40-50\/200T is the heavy-duty thru-hull transducer in bronze:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBronze housing for maximum durability\u003c\/li\u003e\n\u003cli\u003eDual frequency and temperature sensor\u003c\/li\u003e\n\u003cli\u003eSuitable for heavier applications and wooden hulls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eBest choice for wooden vessels.\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=us-ascii\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch5\u003eTMM 40-50\/200X-T – high-power performance (up to 1 kW)\u003c\/h5\u003e\n\u003cp\u003eThe TMM 40-50\/200X-T is the powerhouse:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 1000 W power\u003c\/li\u003e\n\u003cli\u003eDual frequency with temperature sensor\u003c\/li\u003e\n\u003cli\u003eDesigned for deep water and professional use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for wooden vessels and offshore applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ONWA marine electronics","offers":[{"title":"KTD-TM520","offer_id":54016891093325,"sku":null,"price":119.0,"currency_code":"EUR","in_stock":true},{"title":"KTD-TH520","offer_id":54016891060557,"sku":null,"price":137.0,"currency_code":"EUR","in_stock":true},{"title":"NMM-40-50\/200T","offer_id":54016891126093,"sku":null,"price":176.0,"currency_code":"EUR","in_stock":true},{"title":"TMM-40-50\/200X-T","offer_id":54016891158861,"sku":null,"price":476.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/0019\/4637\/files\/TRANSDUCER_-_overview.jpg?v=1780471964","url":"https:\/\/sailtrade.nl\/en\/products\/onwa-pulse-sonar-dieptemeter","provider":"Sail Trade - Authorised ONWA dealer for EU","version":"1.0","type":"link"}