{"product_id":"wear-sensor-tester-wst","title":"WEAR SENSOR TESTER (WST)","description":"\u003ch2\u003eJaltest WST Wear Sensor Tester (SKU 50004011) — $845\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eJaltest WST (Wear Sensor Tester, part 50004011, $845)\u003c\/strong\u003e is a portable, dedicated device for checking the correct operation and condition of brake pad wear sensors on commercial vehicles. Per the official Cojali\/Jaltest pricelist, it includes a sensor type selector, an integrated display showing the actual voltage value at the sensor, and a cable kit for clean, reliable connections. The WST substantially reduces the time spent on brake wear sensor checks compared to ad-hoc multimeter testing — and gives a clear, unambiguous result rather than a voltage reading that requires interpretation.\u003c\/p\u003e\n\n\u003ch2\u003eWhat the Jaltest WST Does\u003c\/h2\u003e\n\u003cp\u003eBrake pad wear sensor faults are common on commercial trucks, buses, and trailers — especially on European platform vehicles where wear sensors are standard. The WST gives technicians a dedicated tool to:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck correct operation\u003c\/strong\u003e of brake pad wear sensors without speculative replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck sensor state\u003c\/strong\u003e — is the sensor intact, is it correctly tripped (indicating worn pads), or is the circuit open\/shorted?\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelect sensor type\u003c\/strong\u003e via built-in selector — the WST supports multiple wear sensor types across different truck and trailer platforms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRead actual voltage\u003c\/strong\u003e on the integrated display — not just pass\/fail, but the exact voltage value so borderline sensors can be evaluated correctly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnect cleanly\u003c\/strong\u003e via the included cable kit, which provides an optimal connection at the wear sensor and eliminates improvised test lead setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy a Dedicated Wear Sensor Tester Makes Sense\u003c\/h2\u003e\n\u003cp\u003eWithout the WST, diagnosing a brake wear sensor fault means unplugging the sensor and probing with a multimeter — which requires knowing the correct resistance or voltage for that specific sensor type, interpreting the reading without context, and still not knowing for certain whether the sensor is correctly positioned and installed. The WST eliminates all of that. The sensor type selector handles cross-platform variation; the display gives you an exact voltage reading; the cable kit handles the connection. What was a 15-minute diagnostic exercise becomes a 3-minute confirmation.\u003c\/p\u003e\n\n\u003ch3\u003ePractical Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDiagnosing brake wear warning lights on Class 6-8 commercial trucks\u003c\/li\u003e\n  \u003cli\u003ePre-inspection wear sensor verification on buses and coaches\u003c\/li\u003e\n  \u003cli\u003eChecking trailer brake wear sensors (Wabco, Haldex, etc.) before and after pad replacement\u003c\/li\u003e\n  \u003cli\u003eDifferentiating between a correctly tripped sensor (pads are worn) vs. a faulty sensor generating false warnings\u003c\/li\u003e\n  \u003cli\u003ePost-repair verification that a newly installed wear sensor is operating correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 50004011\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMSRP:\u003c\/strong\u003e $845.00\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Brake pad wear sensor operation and condition checker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor selection:\u003c\/strong\u003e Built-in selector for multiple wear sensor types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Integrated display showing voltage value (V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Cable kit for optimal sensor connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Portable, compact handheld device\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart of:\u003c\/strong\u003e Jaltest Tools product line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Needs This\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTruck shops and dealer service centers handling brake wear sensor diagnostics regularly\u003c\/li\u003e\n  \u003cli\u003eBus and coach operators where wear sensors are on every axle\u003c\/li\u003e\n  \u003cli\u003eFleet maintenance operations running European platform vehicles with wear sensor systems\u003c\/li\u003e\n  \u003cli\u003eShops that want definitive wear sensor testing rather than speculative replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From OEM Diagnostic Tools?\u003c\/h3\u003e\n\u003cp\u003eWe have been a Jaltest specialist since 2016 and stock the complete Jaltest Tools product line alongside Jaltest diagnostic systems. Free shipping on every order, full warranty, and live tech support at 866-217-0063. The WST pairs directly with Jaltest brake system diagnostics — the scanner surfaces the fault code; the WST confirms whether the sensor or the pad is the actual problem before you order parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Jaltest","offers":[{"title":"Default Title","offer_id":55288232771752,"sku":"50004011","price":719.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0336\/1905\/0628\/files\/jaltest_standard_f6b3de13-5ade-4936-8c41-a6645af43ca1.jpg?v=1772049006","url":"https:\/\/dieseltruckdiagnostictools.com\/es\/products\/wear-sensor-tester-wst","provider":"Jaltest Laptop Based Diagnostics","version":"1.0","type":"link"}