SENTOP RM-DV31 Series
Intelligent Digital Voltmeter | High-Visibility Single-Phase Monitoring
Intelligent Voltage Monitoring
The SENTOP RM-DV31 is a professional-grade single-phase digital voltmeter designed for precision monitoring of AC/DC voltage in industrial electrical systems. Featuring a high-definition red LED display, it ensures instantaneous and accurate readings even in complex power environments. The meter supports programmable potential transformer (PT) ratios, allowing it to adapt to various high-voltage monitoring requirements. With its superior anti-interference capabilities and flame-retardant housing, the RM-DV31 provides a safe and reliable solution for switchgear panels and automated control systems.
Technical Specifications
| Category | Detailed Technical Data / Parameter |
|---|---|
| Model Number | RM-DV31 (Intelligent LED Series) |
| Measurement Parameter | Single-Phase AC Voltage (Optional DC Voltage) |
| Accuracy Class | Class 0.5 (±0.5% F.S) |
| Rated Input Voltage | Direct: AC 0-500V; Indirect: Via External PT (Programmable Ratio) |
| Overload Performance | Continuous: 1.2x Rated; Instantaneous: 2x Rated (1 second) |
| Frequency Range | 45 – 65Hz |
| Auxiliary Power Supply | AC/DC 85V – 265V or AC 220V; Power Consumption ≤ 5VA |
| Display Type | 4-Digit High-Brightness Red LED (Max display 9999) |
| Insulation Resistance | ≥ 100MΩ |
| Dielectric Strength | AC 2kV/1min (Between input and power terminals) |
| Standard Dimensions | 96x96mm, 72x72mm, 48x48mm (Modular Panel Mount) |
| Environment | Operating: -10°C to +55°C; Storage: -25°C to +70°C |
Advanced Protection & Accuracy
- SMT Process: High-reliability Surface Mount Technology for consistent electronic performance.
- Anti-Interference: Optimized internal circuitry to withstand harsh EMI/RFI environments.
- Linear Calibration: Software-based digital calibration for superior full-scale linearity.
Design & Installation
- ABS + PC Housing: High-impact, flame-retardant material ensures longevity and safety.
- Snap-In Clips: Quick and secure installation without the need for complex mounting hardware.
- Clear Visibility: The 14.2mm (0.56 inch) LED characters ensure readability from distances.
Industry Applications
⚡ Distribution Panels
Essential for monitoring phase-to-neutral or phase-to-phase voltages in L.V. switchgear.
🏭 Motor Control Centers
Real-time voltage feedback for motors and heavy industrial driving equipment.
📦 Power Supply Units
Integrated monitoring for UPS, rectifiers, and specialized industrial power sources.
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