Monitor and manage your electrical parameters accurately with this AC Multifunction Digital Meter, designed to provide precise measurement and advanced alarm functions for enhanced safety and efficiency. Equipped with a large-screen LCD and backlight, this digital meter displays multiple key parameters simultaneously, including voltage, current, active power, energy, frequency, and power factor, making it an indispensable tool for indoor electrical monitoring. Key Features: · Comprehensive Electrical Parameter Measurement: Accurately measures voltage (80-260V), current (0-100A), active power (0-22,000W), energy consumption (0-999kWh), frequency (45-65Hz), and power factor (0-1PF) with 1.0 grade measurement accuracy. · Overload Alarm Function: Provides an overload alarm with customizable power alarm threshold settings. When exceeded, both backlight and power indicator flash to alert you immediately. · Power Alarm Threshold Preset: Easily set your desired power alarm threshold (0.0~2.5kW) to proactively monitor and control power consumption according to your needs. · Energy Reset Capability: Quickly reset accumulated energy values with a simple key operation, allowing for straightforward energy tracking resets. · Data Retention on Power Off: Stores measurement data automatically during power outages, ensuring no loss of valuable information. · Large-Screen LCD with Backlight: The wide display screen simultaneously shows six key parameters, and the backlight function with memory ensures clear visibility in varying lighting conditions. · Compact and Lightweight Design: Measuring only 9 x 5 x 2.5 cm and weighing approximately 110g, this compact meter is easy to install and ideal for indoor use. · Package Includes: One AC Multifunction Digital Meter and one Closed Type Current Transformer (CT) for convenient setup. Specifications: · Model: PZEM-022 · Rated Current: 100A · Rated Power: 22,000W (100A/220V) · Operating Frequency: 45-65Hz · Measurement Accuracy: Grade 1.0 · Display Size: Large LCD with backlight · Dimensions: 9 x 5 x 2.5 cm (3.5 x 2 x 1 in) · Wire Length: 19 cm (7.5 in) · Weight: Approx. 110g (3.9 oz) This AC Multifunction Digital Meter is perfect for indoor electrical systems, providing real-time monitoring and critical overload warnings to protect your devices and optimize energy use. Its advanced functionality, ease of use, and reliable performance make it an essential tool for homeowners, electricians, and energy managers looking to maintain safe and efficient electrical operations.