AC 60–500V LED Digital Voltmeter 22mm Panel Mount Voltage Indicator
AC 60–500V LED Digital Voltmeter 22mm Panel Mount Voltage Indicator
AC 60–500V LED Digital Voltmeter Tester – 22mm Panel Mount Signal Light
Monitor AC voltage with precision and confidence using this compact LED Digital Voltmeter Tester (Model: AD16-22FVA). Designed for panel mounting in electrical control cabinets, switchboards, and DIY electrical projects, this 22mm indicator light displays live voltage readings on a bright digital screen — making it easy to verify your circuit's status at a glance.
Available in five vivid LED colours — Green, Blue, Red, Yellow, and White — this pilot lamp doubles as a visual status signal and a precise voltage meter, combining functionality with clear visual feedback in one tidy 22mm cutout device.
Made in Mainland China.
Key Features
- Wide Voltage Range: Measures AC 60V – 500V, suitable for a broad range of industrial and domestic electrical applications
- Digital Display: Clear, digital-only readout for fast and accurate voltage readings
- 22mm Panel Cutout: Standard panel-mount diameter fits most electrical enclosures and control panels
- 5 LED Colours Available: Green, Blue, Red, Yellow, White — choose the colour that suits your project or control panel layout
- No External Battery Required: Powered directly from the AC circuit being measured
- Robust Environmental Rating: Operating temperature -25°C to +55°C; relative humidity ≤98%
- High Dielectric Strength: Working frequency voltage of 2.5kV AC (valid value), tested for 1 minute
- Versatile Use: Ideal for electrical DIY projects, industrial panels, machinery, and control systems
Technical Specifications
| Model | AD16-22FVA |
| Voltage Range | AC 60V – 500V |
| Power Supply | AC (self-powered from measured circuit) |
| Display Type | Digital Only |
| Panel Cutout Diameter | 22mm |
| LED Colours | Green, Blue, Red, Yellow, White |
| Operating Temperature | -25°C to +55°C |
| Relative Humidity | ≤98% |
| Dielectric Strength | 2.5kV AC, 1 min |
| Battery Required | No |
| Origin | Mainland China |
Who Is This For?
This voltmeter is a great choice for electricians, electrical engineers, hobbyists, and DIY enthusiasts who need a reliable, easy-to-read panel-mount voltage indicator. Whether you're building a custom control panel, upgrading electrical switchgear, or working on an automation project, the AD16-22FVA delivers accurate AC voltage monitoring in a compact, no-fuss package.
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Frequently Asked Questions
Q: What is the voltage measurement range of this LED digital voltmeter?
A: This digital voltmeter measures AC voltage in the range of 60V to 500V, making it suitable for a wide variety of electrical panel and control system applications.
Q: Does the AD16-22FVA digital voltmeter require an external battery or power supply?
A: No external battery or separate power supply is needed. The voltmeter is self-powered directly from the AC circuit it is measuring, simplifying installation.
Q: What panel cutout size is required to install this voltmeter indicator light?
A: This voltmeter requires a standard 22mm panel cutout, which is a very common size for pilot lamps and indicator lights in electrical enclosures and control panels.
Q: Is this voltmeter suitable for outdoor or harsh-environment use?
A: The AD16-22FVA is rated for operating temperatures between -25°C and +55°C and can handle relative humidity up to 98%, making it suitable for demanding environments including industrial and semi-outdoor installations.