SENTOP RN-DA31 Series
Single-Phase LED Digital Ammeter | High-Visibility DC Monitoring
High-Reliability Current Measurement
The SENTOP RN-DA31 is a high-precision LED digital ammeter designed for real-time monitoring of DC current in electrical distribution systems. Featuring a high-visibility red LED display, it provides clear readings even in low-light industrial environments. The meter supports programmable transformation ratios (for use with shunts), making it highly versatile for various current ranges. With its robust electromagnetic compatibility and high dielectric strength, the RN-DA31 is the professional choice for switchgear, control cabinets, and automation systems.
Technical Specifications
| Category | Technical Data / Parameter |
|---|---|
| Model Number | RN-DA31 (Single Phase) |
| Measurement Type | Direct Current (DC Ammeter) / AC Ammeter Optional |
| Accuracy Class | Class 0.5 (±0.5% F.S) |
| Rated Input Current | Direct: DC 0-5A; Indirect: Via External Shunt (e.g., 75mV) |
| Overload Performance | Continuous: 1.2x Rated; Instantaneous: 10x Rated (5 seconds) |
| Input Impedance | < 0.1Ω |
| Power Supply | AC/DC 85V – 265V or AC 220V; Power Consumption ≤ 5VA |
| Display Specs | 3 or 4 Digit High-Brightness Red LED (Display range 0-9999) |
| Insulation Resistance | ≥ 100MΩ (Between input and power supply) |
| Standard Dimensions | 96x96mm, 80x80mm, 72x72mm (Standard Panel Cutout) |
| Environmental Condition | Temp: -10°C to +55°C; Humidity: ≤ 93% RH (non-condensing) |
Precision & Durability
- True RMS Conversion: Accurate measurement algorithms ensure stable readings even under electrical noise.
- EMC Shielding: Internal design optimized for high electromagnetic compatibility in power substations.
- Shock Resistant: Built to withstand industrial vibrations and mechanical stress.
User-Friendly Operation
- One-Key Programming: Easily set current ratios directly from the front panel.
- Snap-in Mounting: Secure plastic clips allow for fast, tool-free installation into cabinets.
- Versatile Power: Wide auxiliary power input range (85-265V) simplifies site wiring.
Industry Applications
⚡ Switchgear Panels
Essential for monitoring feeder currents in low and medium voltage panels.
⚙️ Industrial Automation
Real-time load tracking for DC motors and automated production systems.
☀️ Solar & Battery Systems
Accurate DC current measurement for battery banks and solar array monitoring.
Need Bulk Pricing or Custom Technical Data?
SENTOP provides professional technical support and high-volume wholesale pricing for digital LED ammeters.
