{"product_id":"pzem-004t-ac-voltage-current-power-factor-power-communication-module-module-ttl-serial-communication","title":"PZEM-004T AC Voltage Current Power Factor Power Communication Module Module TTL Serial Communication","description":"\u003cp\u003e\u003cstrong\u003ePZEM-004T AC Energy Meter Module \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe PZEM-004T is a high-precision single-phase AC energy monitoring module designed for \u003cbr\u003ereal-time measurement of electrical parameters. It is widely used in embedded systems and IoT based energy monitoring applications. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe module measures voltage, current, active power, energy consumption, power factor, and \u003cbr\u003efrequency, and communicates via TTL-based Modbus-RTU protocol, making it suitable for \u003cbr\u003eintegration with microcontrollers such as ESP32. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eKey Features \u003c\/strong\u003e\u003cbr\u003e Single-phase AC measurement \u003cbr\u003e Measures: \u003cbr\u003eo Voltage (V) \u003cbr\u003eo Current (A) \u003cbr\u003eo Active Power (W) \u003cbr\u003eo Energy (kWh) \u003cbr\u003eo Power Factor (PF) \u003cbr\u003eo Frequency (Hz) \u003cbr\u003e TTL Modbus-RTU communication \u003cbr\u003e High measurement accuracy (typically ±0.5%) \u003cbr\u003e 100A current measurement using external Current Transformer (CT) \u003cbr\u003e Electrical isolation between high-voltage and low-voltage sections \u003cbr\u003e Compact PCB module design \u003cbr\u003e Suitable for embedded and IoT applications\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eTechnical Specifications \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e \u003cbr\u003eRated Voltage: 80 – 260VAC \u003cbr\u003eRated Current: Up to 100A (with CT) \u003cbr\u003eFrequency Range: 45 – 65 Hz \u003cbr\u003eVoltage Accuracy: ±0.5% \u003cbr\u003eCurrent Accuracy: ±0.5% \u003cbr\u003eCommunication: TTL UART (Modbus-RTU) \u003cbr\u003eDefault Baud Rate: 9600 bps \u003cbr\u003eOperating Temperature: -10°C to 60°C \u003cbr\u003eIsolation : Optocoupler isolation.\u003c\/p\u003e","brand":"Microscale","offers":[{"title":"Default Title","offer_id":53849758630163,"sku":"MSC-2939","price":19000.0,"currency_code":"NGN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/3191\/3491\/files\/IMG-20260306-WA0004.jpg?v=1772803527","url":"https:\/\/www.microscale.net\/products\/pzem-004t-ac-voltage-current-power-factor-power-communication-module-module-ttl-serial-communication","provider":"Microscale","version":"1.0","type":"link"}