{"product_id":"indicator-digital-cu-led-3-in-1-voltmetru-ampermetru-frecventa-verde","title":"3-in-1 Digital LED Indicator: Voltmeter, Ammeter, Frequency, Green","description":"\u003cdiv class=\"cl-desc\"\u003e\n\n\u003csection class=\"cl-intro\"\u003e\u003ch2\u003eComplete Monitoring of Electrical Parameters in a Single Device\u003c\/h2\u003e\n\n\u003cp\u003eThis 3-in-1 digital indicator simultaneously measures voltage, current, and frequency in AC electrical installations, displaying the values on a green LED display visible from a distance. Ideal for electrical panels, generators, control panels, and industrial systems where continuous monitoring is needed without separate devices. It mounts quickly in a standard 22mm opening and comes with an included transformer coil.\u003c\/p\u003e\n\n\u003c\/section\u003e\u003csection class=\"cl-benefits\"\u003e\u003ch2\u003eWhat you get with this product\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eRead 3 parameters on the same display — voltage, current, and frequency, without juggling multiple devices\u003c\/li\u003e\n\n\u003cli\u003eExcellent visibility in all conditions — green LEDs are clearly visible in both dark and bright light\u003c\/li\u003e\n\n\u003cli\u003eUniversal mounting in a standard 22mm hole — compatible with most electrical panels and control panels\u003c\/li\u003e\n\n\u003cli\u003ePrecise current measurement up to 100A — including transformer coil in the package, no additional purchases needed\u003c\/li\u003e\n\n\u003cli\u003eContinuous monitoring without high consumption — economical LED display, stable long-term operation\u003c\/li\u003e\n\n\u003cli\u003eQuickly check the status of the electrical network — detect voltage or frequency fluctuations before they become problems\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c\/section\u003e\u003csection class=\"cl-how\"\u003e\u003ch2\u003eHow it works and how to install it\u003c\/h2\u003e\n\n\u003cp\u003eThe digital indicator connects directly to the AC circuit to be monitored, and the included transformer coil clamps onto the phase conductor for current measurement. The display cyclically or simultaneously shows voltage (60-500V AC), current (0-100A), and frequency (20-75Hz). Installation is done in a 22mm opening in the electrical panel, and connections are made according to the provided diagram. Installation must be performed by qualified personnel, according to current electrical safety regulations.\u003c\/p\u003e\n\n\u003c\/section\u003e\u003csection class=\"cl-faq\"\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the indicator with a 220V single-phase network?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYes, it works perfectly with the standard 220V AC single-phase network, measuring your voltage, current, and frequency in real time.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the current measurement coil included in the package?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYes, the package contains both the digital indicator and the transformer coil required for measuring electrical current.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow large is the display and is it visible from a distance?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe display is 31x31mm with bright green LED digits, clearly visible from over 3-4 meters even in bright lighting conditions.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\u003csection class=\"cl-specs\"\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eVoltage measurement range\u003c\/td\u003e\n\n\u003ctd\u003eAC 60 - 500V\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCurrent measurement range\u003c\/td\u003e\n\n\u003ctd\u003e0 - 100A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFrequency measurement range\u003c\/td\u003e\n\n\u003ctd\u003e20 - 75Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eLED color\u003c\/td\u003e\n\n\u003ctd\u003eGreen\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMounting diameter\u003c\/td\u003e\n\n\u003ctd\u003e22mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDisplay dimensions\u003c\/td\u003e\n\n\u003ctd\u003e31 x 31mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eIncluded accessories\u003c\/td\u003e\n\n\u003ctd\u003eCurrent transformer coil\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eEAN\u003c\/td\u003e\n\n\u003ctd\u003e0781499721811\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003c\/section\u003e\u003csection class=\"cl-warranty\"\u003e\u003ch2\u003eWarranty and support\u003c\/h2\u003e\n\n\u003cp\u003eThe product benefits from a 24-month warranty according to Romanian legislation for manufacturing defects. You have the right to return within 30 days of receipt. Delivery is fast via national courier. Installation must be performed by authorized personnel according to current electrical regulations.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":56801627046219,"sku":"Q-5C027","price":8.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/2067\/4891\/files\/INDICATOR-DIGITAL-cu-bobina_c4ab806d-31c1-4b4f-ba88-29079adf34b6.jpg?v=1773834740","url":"https:\/\/classlights.eu\/hu-eu\/products\/indicator-digital-cu-led-3-in-1-voltmetru-ampermetru-frecventa-verde","provider":"ClassLights","version":"1.0","type":"link"}