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  4. 0.56-Inch Green LED AC Voltmeter – 70V-500V Two-Wire Digital Voltage Display Module for AC Mains and Industrial Monitoring
  5. ⏱️ Voltmeters & Ammeters
Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist
0.56-Inch Green LED AC Voltmeter – 70V-500V Two-Wire Digital Voltage Display Module for AC Mains and Industrial Monitoring

0.56-Inch Green LED AC Voltmeter – 70V-500V Two-Wire Digital Voltage Display Module for AC Mains and Industrial Monitoring

ParameterDetailed Specification
Measuring RangeAC 70V – 500V
Display Type0.56-inch Green LED 7-Segment
Wiring ConfigurationTwo-Wire (Direct Measurement)
Refresh RateApproximately 300ms per time
Measurement Accuracy±1% (Auto-adjusting decimal point)
Input Impedance>1MΩ
Working Current<20mA (Typically 5-15mA)
Operating Temp-10°C to +65°C
                                 Price

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₹ 186.44 ₹ 186.44
(Tax included)

Barcode: 7255491

Product Description

Upgrade your power monitoring setup with the 0.56-Inch Green LED AC Voltmeter. This robust two-wire digital display module is engineered for direct measurement of AC mains and industrial power supplies within the wide range of 70V to 500V. Featuring a high-visibility green 7-segment LED display with a matte-finish glass cover, it ensures lucid readability even in bright environments. At Robogears, we recommend this module for its "power-from-source" design, meaning it requires no external power supply to function. Built with reverse connection protection and an auto-shifting decimal point for maximum precision, it is the ideal compact solution for real-time AC voltage tracking in control panels, motor generators, and distribution boards.

Detailed Key Features

  • Wide AC Range: Measures from 70V up to 500V AC, covering everything from standard single-phase mains to higher industrial voltage levels.

  • Two-Wire Simplified Wiring: Connects directly to the voltage source being measured—no separate auxiliary power supply needed.

  • Auto-Precision Scaling: The decimal point automatically shifts based on the voltage magnitude to provide the highest possible measurement accuracy.

  • Lucid Day-Time Visibility: The matte finish on the display glass reduces glare, making the green digits clearly visible during daytime or under harsh workshop lighting.

  • Integrated Safety: Includes reverse connection protection to prevent damage during accidental miswiring, ensuring industrial-grade reliability.

All Technical Details

  • Mounting Type: Panel Mount (Standard Snap-in Design).

  • Dimensions: Optimized for standard 0.56-inch cutouts.

  • Consumption: Ultra-low power draw (<20mA) minimizes impact on the measured circuit.

  • Accuracy Calibration: Pre-calibrated for ±1% error margin at standard AC frequencies (50/60Hz).

  • Display Refresh: High-speed 300ms refresh cycle for near-instantaneous voltage feedback.

Prototyping & Engineering Tips (Robogears Exclusive)

  • Testing Note: While this voltmeter is rated up to 500V, we have observed during testing at our facility that it performs most reliably within the 70V to 380V range for long-term continuous operation.

  • Voltage Drop Observation: Be aware of a nominal ~1V voltage drop inherent to the voltmeter's internal processing circuit when calculating highly sensitive power metrics.

  • Installation Protocol: When mounting this in your Pimpri workshop control panels, ensure the wires are securely insulated. Since this device measures high-voltage AC mains directly, always use heat-shrink tubing on the connection points for safety.

  • Application Idea: Perfect for monitoring the output stability of portable AC generators or verifying the phase voltage in industrial motor control centers without needing a handheld multimeter.

Package Includes

  • 1 x 0.56-Inch Green AC 220V Two-Wire Digital Voltmeter (70V–500V)

Image Disclaimer

The image shown is for illustrative purposes only. The actual product's PCB layout, wire colors, or component positioning may vary slightly due to manufacturer version updates, though all technical specifications will remain as described.

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