{"product_id":"blue-sea-100a-to-100a-dc-meter-mini-oled-ammeter","title":"Blue Sea -100A to 100A DC Meter Mini OLED Ammeter","description":"\u003ch2\u003eCompact Bidirectional DC Current Monitoring for Marine and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eMaintaining complete visibility over your power consumption and charging performance is critical in any mobile or off-grid electrical setup. This compact digital ammeter from Blue Sea Systems provides accurate, real-time monitoring of DC current from -100A to 100A. Engineered for demanding environments, it allows you to track both charge and discharge cycles effortlessly, helping to prevent unexpected battery depletion and equipment downtime in caravans, 4WDs, and marine vessels.\u003c\/p\u003e\u003ch3\u003eDaylight-Readable Waterproof OLED Display\u003c\/h3\u003e\u003cp\u003eStandard digital gauges often wash out in direct sunlight or fail when exposed to moisture and coastal air. This mini ammeter features a high-contrast OLED screen specifically designed to remain sharp and legible across varying lighting conditions, from bright midday sun on an open boat deck to pitch-black night navigation. The waterproof front face ensures reliable operation in exposed cockpit panels, 4WD canopies, and outdoor electrical enclosures where dust and water spray are constant challenges.\u003c\/p\u003e\u003ch3\u003eFlexible Installation and Circuit Protection\u003c\/h3\u003e\u003cp\u003eSpace is often at a premium on dashboards and control panels. Instead of requiring complex rectangular cutouts, the threaded cylindrical body mounts cleanly into a standard 1-1\/8\" (Approx. 29mm) round hole, matching the footprint of common marine-grade socket outlets. To simplify integration into existing or custom wiring harnesses, the meter supports both positive-side and negative-side shunt wiring. Built-in reverse-polarity protection safeguards the internal electronics against accidental miswiring during installation, reducing the risk of costly component damage.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional Current Tracking:\u003c\/strong\u003e Monitors electrical flow from -100A to 100A DC to clearly show net charging or discharging status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Visibility Screen:\u003c\/strong\u003e Bright, high-contrast OLED display is daylight-readable for clear viewing at any angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Durability:\u003c\/strong\u003e Waterproof face design withstands harsh marine, RV, and off-road environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Wiring Options:\u003c\/strong\u003e Compatible with either positive-side or negative-side circuit configurations for easier installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardised Mounting:\u003c\/strong\u003e Compact threaded body fits neatly into a common 1-1\/8\" (Approx. 29mm) panel cutout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Safety:\u003c\/strong\u003e Reverse-polarity protection prevents internal damage if leads are inadvertently crossed during setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications for Reliable Power Management\u003c\/h3\u003e\u003cp\u003eWhether you are diagnosing parasitic loads, verifying alternator output, or keeping an eye on high-draw appliances like inverters and winches, a dedicated panel ammeter provides instant feedback without relying on wireless apps. It is well suited for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMarine dashboards, helm stations, and bilge control panels\u003c\/li\u003e\n\u003cli\u003eCaravan, camper trailer, and motorhome battery management boards\u003c\/li\u003e\n\u003cli\u003e4WD dual battery systems and canopy power distribution setups\u003c\/li\u003e\n\u003cli\u003eOff-grid solar enclosures and industrial DC control cabinets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Electrical Panel Today\u003c\/h3\u003e\u003cp\u003eTake the guesswork out of your battery system's performance with a reliable, marine-grade current monitor. Add the Blue Sea Systems Mini OLED Ammeter to your setup for clear, dependable DC current tracking on every journey.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631409922109,"sku":"BS-1732B","price":169.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-mini-oled-dc-ammeter-100a-bs-1732b.png?v=1792898804","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-100a-to-100a-dc-meter-mini-oled-ammeter","provider":"Solar 4 RVs","version":"1.0","type":"link"}