{"product_id":"22mm-0-100a-ac-20-500v-digital-voltmeter-ammeter-blue","title":"22mm 0-100A Ac 20-500V Digital Voltmeter Ammeter- Blue","description":"\u003ch1\u003e22mm 0-100A AC 20-500V Digital Voltmeter Ammeter – Blue\u003c\/h1\u003e\n\nThis 22mm panel-mount digital meter simultaneously measures AC voltage (20–500V) and AC current (0–100A) on a bright blue LED display. Designed for electrical monitoring in distribution panels, motor control centres, and industrial equipment, it is a compact, drop-in replacement for analogue meters.\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage measuring range: AC 20–500V\u003c\/li\u003e\n\u003cli\u003eCurrent measuring range: AC 0–100A (requires external current transformer, not included)\u003c\/li\u003e\n\u003cli\u003eDisplay: 3-digit blue LED\u003c\/li\u003e\n\u003cli\u003ePanel cut-out diameter: 20.3mm (0.8 inch)\u003c\/li\u003e\n\u003cli\u003eOverall panel size: 31 x 31mm\u003c\/li\u003e\n\u003cli\u003eSupply voltage: derived from measurement lines (no external power needed)\u003c\/li\u003e\n\u003cli\u003eColour: blue display\u003c\/li\u003e\n\u003cli\u003eMaterial: flame-retardant plastic housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-phase AC distribution boards\u003c\/li\u003e\n\u003cli\u003eThree-phase panels (one meter per phase)\u003c\/li\u003e\n\u003cli\u003eMotor control centres (MCC)\u003c\/li\u003e\n\u003cli\u003eGenerator control panels\u003c\/li\u003e\n\u003cli\u003eUPS output monitoring\u003c\/li\u003e\n\u003cli\u003eAny AC circuit up to 500V and 100A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome energy monitor:\u003c\/strong\u003e Track real-time power consumption of a workshop or home appliance circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial load tester:\u003c\/strong\u003e Verify current draw and voltage stability of motors, heaters, or transformers under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar inverter output panel:\u003c\/strong\u003e Monitor AC output from a grid-tie or off-grid inverter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery meter ships with a QR code linking to our AI build companion – it helps you wire, calibrate, and integrate this meter into your project. With 10 years of supplying makers and institutions across India, we ensure you get a working part and the support to use it. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for this meter?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect this meter to measure current?\u003c\/summary\u003e\n\u003cp\u003eThis meter requires an external current transformer (CT) with a 100A:5A or 100A:1A ratio. The CT secondary wires connect to the meter’s current input terminals. The voltage measurement wires connect directly to the line and neutral.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this meter need a separate power supply?\u003c\/summary\u003e\n\u003cp\u003eNo. The meter is powered directly from the AC voltage it measures (20–500V). No external DC supply is needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the delivery time to my city?\u003c\/summary\u003e\n\u003cp\u003eWe ship this meter across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Typical delivery is 3–7 business days via courier.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"22mm 0-100A AC 20-500V Digital Voltmeter Ammeter – Blue\",\n  \"description\": \"Panel-mount digital meter measuring AC voltage 20-500V and AC current 0-100A with blue LED display. Requires external CT for current measurement.\",\n  \"sku\": \"DVM-22MM-AC-BLUE\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Generic\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"357.22\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"url\": \"https:\/\/compoden.in\/products\/22mm-0-100a-ac-20-500v-digital-voltmeter-ammeter-blue\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What payment options are available for this meter?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"We accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) across India.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How do I connect this meter to measure current?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"This meter requires an external current transformer (CT) with a 100A:5A or 100A:1A ratio. 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