{"id":6136,"date":"2026-07-22T18:01:36","date_gmt":"2026-07-22T10:01:36","guid":{"rendered":"https:\/\/londianglobal.com\/?p=6136"},"modified":"2026-07-22T18:01:36","modified_gmt":"2026-07-22T10:01:36","slug":"whole-current-meter-oem-and-odm","status":"publish","type":"post","link":"https:\/\/londianglobal.com\/ru\/%d0%b1%d0%bb%d0%be%d0%b3\/whole-current-meter-oem-and-odm","title":{"rendered":"Whole Current Meter OEM and\u00a0ODM"},"content":{"rendered":"<h2><span class=\"\">Introduction: The Growing Demand for Customized Energy Measurement<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Energy efficiency and smart grid integration now dominate the industry. Sub-metering has also become mandatory in many regions. These trends drive the demand for high-precision electricity measurement. The\u00a0<\/span><strong><span class=\"\">whole current meter<\/span><\/strong><span class=\"\"> sits at the heart of this ecosystem. Engineers also call it a direct-connected or through-pass meter. Unlike transformer-operated variants, this meter wires directly in series with the load. Consequently, it remains the most common choice for residential, commercial, and light industrial applications.\u00a0<\/span><span class=\"\">However, not all whole current meters offer the same performance. Utilities and property developers face unique technical challenges. EV charging infrastructure providers also require specific functionalities. As these stakeholders scale their operations, they increasingly turn to whole current meter <\/span><strong><span class=\"\">OEM <\/span><\/strong><span class=\"\">\u0438\u00a0<\/span><strong><span class=\"\">ODM<\/span><\/strong><span class=\"\"> partnerships.\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4554\" src=\"https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-scaled.webp\" alt=\"\" width=\"2560\" height=\"1440\" srcset=\"https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-scaled.webp 2560w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-300x169.webp 300w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-1030x579.webp 1030w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-768x432.webp 768w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-1536x864.webp 1536w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-2048x1152.webp 2048w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-18x10.webp 18w, https:\/\/londianglobal.com\/wp-content\/uploads\/2025\/07\/2.9-Automatic-production-line2-800x450.webp 800w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<h2><span class=\"\">What Is a Whole Current Meter? A Technical Refresher<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A whole current meter measures electrical energy in kWh. It carries the full load current directly through its internal current coils. This design does not use external current transformers (CTs). Typical current ratings range from 5A to 100A. Some industrial variants can reach up to 200A for direct connection.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Key technical parameters include:<\/span><\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Accuracy Class:<\/span><\/strong><span class=\"\">\u00a0Class 1.0 or Class 0.5S for revenue-grade billing; Class 2.0 for basic monitoring.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Voltage References:<\/span><\/strong><span class=\"\">\u00a0120V, 230V, 240V, or 400V depending on regional standards.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Frequency:<\/span><\/strong><span class=\"\">\u00a050Hz or 60Hz.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Communication Protocols:<\/span><\/strong><span class=\"\">\u00a0Pulse output, RS485 (Modbus), infrared optical ports, and increasingly, PLC (Power Line Communication) or RF mesh for AMI (Advanced Metering Infrastructure).<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Display:<\/span><\/strong><span class=\"\">\u00a0Mechanical cyclometer or digital LCD with backlighting.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Mounting:<\/span><\/strong><span class=\"\">\u00a0DIN-rail, base-mount (socket-type), or panel-mount.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The &#8220;whole current&#8221; design offers inherent advantages. It costs less and simplifies installation. It also reduces burden errors and boosts reliability in low-power applications. However, this design demands superior thermal management. It also requires robust surge protection. OEM\/ODM expertise becomes critical in these areas.<\/span><\/p>\n<h2><span class=\"\">OEM vs. ODM: What\u2019s the Difference for Whole Current Meters?<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Understanding the distinction between OEM and ODM is crucial. Procurement managers and engineering teams both need this clarity.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><strong><span class=\"\">Aspect<\/span><\/strong><\/th>\n<th><strong><span class=\"\">OEM (Original Equipment Manufacturer)<\/span><\/strong><\/th>\n<th><strong><span class=\"\">ODM (Original Design Manufacturer)<\/span><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">Design ownership<\/span><\/strong><\/td>\n<td><span class=\"\">Customer provides the design; manufacturer produces to spec.<\/span><\/td>\n<td><span class=\"\">Manufacturer designs and develops the product; customer selects from existing platforms or requests minor modifications.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Customization level<\/span><\/strong><\/td>\n<td><span class=\"\">High\u2014requires detailed BOM, PCB layouts, and firmware.<\/span><\/td>\n<td><span class=\"\">Medium to high\u2014customer can modify enclosure color, logo, label, packaging, and communication protocols.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Time-to-market<\/span><\/strong><\/td>\n<td><span class=\"\">Longer (12\u201318 months for new tooling).<\/span><\/td>\n<td><span class=\"\">Shorter (3\u20136 months using proven reference designs).<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Cost structure<\/span><\/strong><\/td>\n<td><span class=\"\">Higher NRE (Non-Recurring Engineering) fees.<\/span><\/td>\n<td><span class=\"\">Lower NRE, often absorbed into unit pricing.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Intellectual Property<\/span><\/strong><\/td>\n<td><span class=\"\">Belongs to the customer.<\/span><\/td>\n<td><span class=\"\">Shared or retained by the manufacturer (unless exclusive agreement).<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Typical scenarios<\/span><\/strong><\/td>\n<td><span class=\"\">Utility-specific form factors, proprietary communication stacks.<\/span><\/td>\n<td><span class=\"\">Standard DIN-rail meters with custom branding and regional firmware variants.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">For most buyers, the\u00a0<\/span><strong><span class=\"\">ODM approach<\/span><\/strong><span class=\"\">\u00a0offers the sweet spot. It grants access to mature, field-proven metrology platforms. Simultaneously, it enables flexible branding, display languages, and communication add-ons. Londian, for instance, maintains over 50 reference designs. These cover single-phase, three-phase, and prepayment whole current meters. As a result, Londian enables rapid customization without sacrificing quality.<\/span><\/p>\n<h2><span class=\"\">Why Choose OEM\/ODM for Whole Current Meters? 5 Strategic Benefits<\/span><\/h2>\n<h3><span class=\"\">1. Brand Differentiation<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Competitive electricity markets reward distinctive meter designs. Your logo, color scheme, and user interface reinforce brand identity. ODM partners can customize front panels, LED indicators, and button layouts. These modifications match your corporate design language perfectly.<\/span><\/p>\n<h3><span class=\"\">2. Regulatory Compliance Made Easier<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Different regions enforce different standards. These include IEC 62052-11 \/ IEC 62053-21 (Europe, Asia, Africa), ANSI C12.1 \/ C12.20 (North America), MID (Measuring Instruments Directive) for EU billing meters, and STS (Standard Transfer Specification) for prepayment systems. A seasoned OEM\/ODM provider like Londian holds multiple type-approval certificates. Therefore, they can navigate the labyrinth of local metering regulations. This saves you months of testing and re-submission.<\/span><\/p>\n<h3><span class=\"\">3. Supply Chain Resilience<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">By partnering with a manufacturer that controls the entire production chain\u2014from SMT assembly to final calibration\u2014you reduce dependency on fragmented suppliers. This is especially vital during global chip shortages or logistics disruptions.<\/span><\/p>\n<h3><span class=\"\">4. Cost Optimization Through Design-for-Manufacturing (DFM)<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">ODM vendors have deep insights into component sourcing, automated testing jigs, and yield improvement. They can suggest alternative ICs, passive components, or PCB materials that lower BOM costs while maintaining or improving accuracy.<\/span><\/p>\n<h3><span class=\"\">5. Future-Proofing with Smart Features<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Modern whole current meters are no longer passive measuring devices. They integrate:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Dual-rate tariff registers<\/span><\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Tamper detection (magnetic, reverse current, cover-open)<\/span><\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Load profile storage (up to 90 days)<\/span><\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Remote firmware upgrade (OTA via GPRS\/4G)<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">An ODM partner can embed these features at the firmware level without requiring a ground-up redesign.<\/span><\/p>\n<h2><span class=\"\">Critical Quality Parameters in Whole Current Meter Manufacturing<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">When evaluating an OEM\/ODM partner, you must scrutinize their production and testing capabilities. Here are the non-negotiable quality gates:<\/span><\/p>\n<h3><span class=\"\">A. Accuracy Over Temperature Range<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Whole current meters must maintain specified accuracy from -25\u00b0C to +70\u00b0C (or -40\u00b0C to +85\u00b0C for outdoor cabinets). This demands precision shunt resistors with low temperature coefficients (\u226450 ppm\/\u00b0C) and advanced digital compensation algorithms.<\/span><\/p>\n<h3><span class=\"\">B. Creep and Starting Current<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">According to IEC 62053-21, a Class 1 meter must start registering at 0.4% of the basic current (Ib). For a 10A Ib meter, that\u2019s just 40mA\u2014a stringent requirement that separates reputable manufacturers from fly-by-night assemblers.<\/span><\/p>\n<h3><span class=\"\">C. Insulation and Dielectric Strength<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Whole current meters are directly connected to mains voltage. They must withstand 4kV AC for 1 minute between terminals and earth, plus impulse voltage tests of 6kV (1.2\/50\u03bcs waveform).<\/span><\/p>\n<h3><span class=\"\">D. EMC Immunity<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Electromagnetic interference from inverters, variable frequency drives, and nearby radio transmitters can corrupt measurements. Look for compliance with IEC 61000-4 series, including ESD, fast transients, and surge immunity.<\/span><\/p>\n<h3><span class=\"\">E. Long-Term Stability<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A good whole current meter should exhibit less than 0.5% drift over 10 years of operation. This requires aging tests on shunt resistors and electrolytic capacitors, plus sealed enclosures against humidity and dust (IP51 or IP54 ratings).<\/span><\/p>\n<h2><span class=\"\">\u0421\u0430\u0439\u0442<a href=\"https:\/\/londianglobal.com\/ru\/\"> \u041b\u043e\u043d\u0434\u0438\u0430\u043d<\/a> Advantage in Whole Current Meter OEM\/ODM<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u041b\u043e\u043d\u0434\u0438\u0430\u043d<\/span><\/strong><span class=\"\">\u00a0has been a key player in the global energy metering industry for over two decades, with a dedicated R&amp;D center and a 50,000\u33a1 manufacturing facility. Here\u2019s what sets Londian apart:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Comprehensive Product Portfolio:<\/span><\/strong><span class=\"\">\u00a0Single-phase whole current meters (5A\u201360A), three-phase direct-connected meters (10A\u2013100A), and multi-function meters with bidirectional measurement for solar net-metering.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Certifications:<\/span><\/strong><span class=\"\">\u00a0MID B+D, STS, SABS (South Africa), KEMA, and UL pending\u2014ensuring market access across Europe, Africa, Southeast Asia, and the Americas.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Flexible Communication:<\/span><\/strong><span class=\"\">\u00a0Support for M-Bus, LoRaWAN, Zigbee, Wi-SUN, and cellular modules (2G\/3G\/4G) via a modular communication slot.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">In-House Tooling:<\/span><\/strong><span class=\"\">\u00a0Injection molding for enclosures and laser engraving for serial numbers\u2014no outsourcing means tighter lead times (as low as 15 working days for sample orders).<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Global Calibration Lab:<\/span><\/strong><span class=\"\">\u00a0Equipped with 0.02-class reference standard meters and automated multi-station test benches, ensuring 100% factory calibration for every unit.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">End-to-End Support:<\/span><\/strong><span class=\"\">\u00a0From feasibility study and schematic review to after-sales technical support and RMA processing, Londian assigns a dedicated project manager for each OEM\/ODM account.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"\">Customization Options You Can Expect<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A whole current meter OEM\/ODM project can be customized across multiple dimensions:<\/span><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Mechanical:<\/span><\/strong><span class=\"\">\u00a0Enclosure color, terminal cover design, sealable wire covers, DIN-rail clip material.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Electrical:<\/span><\/strong><span class=\"\">\u00a0Shunt rating (choose between 60A, 80A, or 100A), auxiliary power supply (AC\/DC), and backup battery for time-of-use registers.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Firmware:<\/span><\/strong><span class=\"\">\u00a0Tariff schedules (up to 8 rates), holiday\/weekend settings, demand interval (15\/30\/60 minutes), and alarm thresholds (over-voltage, under-voltage, over-current).<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u041a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u044f:<\/span><\/strong><span class=\"\">\u00a0Protocol stack customization\u2014for example, DL\/T 645 for China, IEC 62056-21 for Europe, or ANSI C12.19 for North America.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Display:<\/span><\/strong><span class=\"\">\u00a0LCD segments, backlight color (blue\/white\/amber), scrolling text for customer messages, and QR codes for mobile app pairing.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Packaging:<\/span><\/strong><span class=\"\">\u00a0Retail-ready boxes with multilingual manuals, anti-static bags, and tamper-evident seals.<\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Londian\u2019s engineering team provides a detailed customization matrix during the initial consultation, mapping each requirement to cost, lead time, and certification impact.<\/span><\/p>\n<h2><span class=\"\">Step-by-Step OEM\/ODM Process with Londian<\/span><\/h2>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Requirement Gathering:<\/span><\/strong><span class=\"\">\u00a0Submit your technical specification, target regions, and annual volume forecast.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Feasibility &amp; Quotation:<\/span><\/strong><span class=\"\">\u00a0Within 5 business days, Londian provides a Gap Analysis, NRE estimate, and unit pricing.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Prototyping:<\/span><\/strong><span class=\"\">\u00a05\u201310 engineering samples are delivered for functional testing and certification submission.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Certification Support:<\/span><\/strong><span class=\"\">\u00a0Londian coordinates with third-party labs (e.g., SGS, T\u00dcV, UL) to expedite type approval.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pilot Production:<\/span><\/strong><span class=\"\">\u00a0100\u2013500 units built on the production line to validate assembly fixtures and test software.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Mass Production:<\/span><\/strong><span class=\"\">\u00a0Automated SMT, wave soldering, assembly, and final calibration\u2014with 100% functional testing.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Logistics:<\/span><\/strong><span class=\"\">\u00a0Air or sea freight with proper export packaging and documentation.<\/span><\/p>\n<\/li>\n<\/ol>\n<h2><span class=\"\">Conclusion: Future-Proof Your Energy Metering Strategy<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The shift toward decentralized energy, electric vehicles, and real-time pricing demands new metering capabilities. Whole current meters must now be accurate, adaptive, connected, and brandable. OEM and ODM partnerships offer the most efficient path to achieving these goals. They allow you to leverage existing expertise without reinventing the wheel.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">By choosing a partner like Londian\u2014with proven metrology expertise, a global certification portfolio, and a customer-centric approach\u2014you mitigate technical risks, compress development cycles, and gain a competitive edge in your target markets. Londian\u2019s whole current meter OEM\/ODM solutions are engineered to deliver performance, reliability, and compliance\u2014every single time.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Ready to start your custom whole current meter project?<\/span><\/strong><span class=\"\">\u00a0Contact Londian\u2019s OEM\/ODM team today for a no-obligation consultation and reference design package.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction: The Growing Demand for Customized Energy Measurement Energy efficiency and smart grid integration now dominate the industry. Sub-metering has also become mandatory in many regions. These trends drive the demand for high-precision electricity measurement. The\u00a0whole current meter sits at the heart of this ecosystem. Engineers also call it a direct-connected or through-pass meter. 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