Enhance the accuracy and efficiency of your multimeter calibration projects with this high-precision Voltage Reference Module. Designed with original copper terminals, this module allows for easy and direct connection with multimeter probes, ensuring convenient and reliable measurements every time. Featuring a compact and lightweight design, it is highly portable and practical for both field use and workshop environments. Key Features: · Easy Connection: Equipped with original copper terminals for straightforward insertion of multimeter probes, simplifying calibration procedures and saving time. · High Accuracy Voltage Reference: Utilizes the AD584JH chip to provide stable reference voltages with an error margin of only 5%, ensuring dependable calibration results. · Precise Resistance Values: Incorporates resistors of 100Ω, 1K, 10K, and 100K with 1% error tolerance, delivering accurate resistance references within specified ranges. · Four Channel Output: Offers four fixed output voltages — 2.5V, 5.0V, 7.5V, and 10.0V — for versatile multimeter calibration requirements. · Durable Construction: Made from high-quality materials to ensure long-lasting durability and reliability under various working conditions. · Compact and Lightweight: Measuring approximately 8 x 5 cm (3.1 x 2.0 inches), the module is easy to carry and store, ideal for on-the-go calibration needs. · Wide Operating Conditions: Functions effectively within a temperature range of -25℃ to 85℃ and humidity range of 5% to 95% RH, suitable for diverse working environments. Specifications: · Item Type: Voltage Reference Module · Reference Voltages: 2.5V, 5.0V, 7.5V, 10.0V · Reference Resistance Values: 100Ω, 1K, 10K, 100K (±1%) · Accuracy: Voltage reference error ±5% · Working Temperature: -25℃ to 85℃ · Working Humidity: 5% to 95% RH · Size: Approx. 8 x 5 cm (3.1 x 2.0 in) · Applicable Battery: 12V 23A Package Includes: · 1 x Voltage Reference Module This Voltage Reference Module is an essential tool for professionals and hobbyists who require precise and reliable multimeter calibration. Its combination of high accuracy, multiple output channels, and durable materials makes it a versatile and practical addition to your electrical measurement toolkit.