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            "name": "KUS S3 fuel and water level sensor",
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            "description": "#### **KUS Stainless Steel Immersion Tube Sensor Model S3 (0–190 Ohms) – Convenient screw-in tank sensor with 1 1/4\" BSP thread**\n\nMake installation on your tank easier than ever before! The **KUS Model S3** features a threaded head and is the ideal choice for all fuel and water tanks that already have a threaded opening or are equipped with a matching screw-in flange. Forget about the hassle of drilling screw holes—this sensor simply screws in securely and is completely leak-proof.\n\nEquipped with proven, wear-free reed technology, the sensor delivers a stable European signal ranging from **0 to 190 ohms** to your instrument panel.\n\n---\n\n#### 📐 **Measurement Instructions & Fit for Model S3:**\n\nFor the S3 model, measure the effective length from the **top edge of the thread** to the end of the sensor tube. To determine the correct order length, use the following rule of thumb:\n\n- **Inner clear tank height minus 10 mm to 15 mm** = your ideal sensor length.\n- ***Mounting:*** The sender has a **1 1/4\" BSP external thread** (approx. 41.9 mm outer diameter) and is screwed directly into the tank.\n\n---\n\n#### **Advantages & Technical Highlights at a Glance:**\n\n- **Ingeniously simple screw-in installation:** Quick replacement and maximum leak-tightness without having to align drill holes. A matching O-ring seal is included in the scope of delivery.\n- **Wear-free reed contacts:** The internal float glides up and down the stainless steel tube purely magnetically and without contact. This ensures an extremely smooth pointer display even in rough seas.\n- **Acid- and fuel-resistant:** Made of saltwater-resistant **AISI 316 stainless steel (V4A)** —ideal for harsh marine environments as well as gasoline and diesel tanks.\n- **IP67 protection rating:** Fully protected against moisture and splashing water in the cockpit or engine compartment.\n- **Practical cable length:** The connection cable, permanently sealed to the sensor head, is **approximately 45 cm** long and provides sufficient slack for a secure connection in the engine or tank compartment.\n\n---\n\n#### 🛠️ **Accessory tip from Tenten-Boats:**\n\nDoes your tank lack a compatible thread? Simply order the convenient **KUS 5-hole flange / mounting adapter for the S3 submersible tube sensor** right along with it. You’ll find the matching gauges in our **KUS Onboard Instruments** category.\n\n---\n\n#### **Technical Data (Specifications):**\n\n**Feature**\n**Specification / Value**\n\n**Manufacturer / Brand**\nKUS\n\n**Model Type**\nS3 (Screw-in Mounting)\n\n**Thread Specification**\n1 1/4\" BSP (British Standard Pipe) parallel\n\n**Material**\nStainless steel AISI 316 / V4A\n\n**Output Signal**\n0–190 ohms (European standard)\n\n**Protection Class**\nIP67 (water- and dust-tight)\n\n**Cable length**\napprox. 450 mm (45 cm) / Permanently encapsulated",
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