10pcs 0.28 Green Digital Voltmeter, Two-wire 2.5-30V DC Adjustable Voltage Display

Product Features

• Simple wiring: Utilizes conventional two-wire system—red for positive, black for negative. Reverse connection is protected.
• Operates without external power supply: Directly measure voltage within the range of 2.50-30V.
• Wide voltage compatibility: Safe operation from 2.50V to 40V. Note: Exceeding 40V may cause damage.
• Precision display: Shows two decimal places when measuring voltages under 10V, and one decimal place above 10V.

Technical Specifications

• Measuring Range: Two-wire DC 2.50~32.0V
• Power Supply: No separate power supply required
• Test Accuracy: ±1%; For voltages >10V, error is ±0.1V
• Input Resistance: >50KΩ
• Working Current: Refreshes every 100ms
• Display: Three-digit 0.28" LED digital display
• Lead Length: 20cm (default)
• Dimensions: 30 x 11.5 x 9 mm
• Hole Size: Pitch 26mm, Aperture 2.4mm
• Net Weight: 4g
• Operating Temperature: -10 to +80 °C
• Working Humidity: 10% to 80%
• Working Pressure: 80 to 106 kPa

Package Includes

• 10 x Voltage Meter