Feature: 1. PRACTICAL REPLACEMENT PART: Digital display meter is a replacement part for diesel and gasoline generators. It is designed to facilitate the replacement of existing components. 2. EASY INSTALLATION: This display meter features a user-friendly design for straightforward installation. It delivers consistent performance and is built for durability. 3. HIGH RELIABILITY: Manufactured using advanced techniques, this digital display meter provides reliable operation and accurate readings. 4. SUPPORTS MAINTENANCE: Regular replacement of components such as this display meter supports generator maintenance. 5. DURABLE CONSTRUCTION: Made from premium plastic materials, this 402A Digital Generator Display Meter is corrosion resistant and built for long-term use. It provides voltage and frequency readings for gasoline and diesel generators. Specification: Item Type: 402A Digital Display Meter Application: Gasoline and diesel generators Voltage detection range: Input voltage 90–250 V, Resolution 1 V, Accuracy ±1% Wiring: Connect two red and white wires (for three-phase systems, connect each pair to two phase wires) Frequency detection range: 0.0–99.9 Hz, Resolution 0.1 Hz, Accuracy ±1.5% Display mode: Four-digit LED digital display showing voltage, frequency, and time Maintenance reminder: Flashing reminder appears every 50 operating hours (P050); press and hold button for 6 seconds to reset Wiring method: Plug-in connection DJ7021-6.3 Installation method: Snap-in embedded Model: 402A Operating temperature: –25°C to +70°C Storage temperature: –40°C to +70°C Humidity range: 20–90% RH Insulation resistance: 100 MΩ Withstand voltage: AC 1500 V, 50/60 Hz, 1 minute Material: Plastic Color: Black Package Contents: 1 x 402A Digital Display Meter Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.