Indicator Light Voltmeter AD101-22VM Round Shape
The AD101-22VM Indicator Light Voltmeter Round Shape is a compact and reliable panel-mounted voltage monitoring device designed for real-time AC voltage indication in electrical systems. Featuring a standard 22mm mounting diameter, this device integrates both an indicator light and voltmeter functionality, providing clear and immediate visual feedback of voltage presence and level.
Features:
- Lens Material: PC
- Lighting Source: LED
- Color of lamps: R-red, Y-yellow, G-green
- Volt.: AC 20V–500V
- Color of Lens: Red, Yellow, Green
- Nature of supply: AC
- Rated Temp: T90
- Life of continuous working: Typically over 30,000 hours. The end of life for a lamp is not usually a sudden failure;
- Reasonable price and efficient services.
Specifications:
| Specification | Value |
|---|---|
| Product Type | Indicator Light Voltmeter |
| Input Voltage | AC 20–500V |
| Operating Frequency | AC 50–60Hz |
| Indicator Colors | Red, Green, Yellow |
| Mounting Hole Diameter | 22 mm |
| Protection Rating | IP65 (Head), IP67 Optional (OEM) |
| Service Life | ≥30,000 Hours |
| Brightness | ≥60 cd/m² |
| Beam Angle | 360° |
| Housing Material | Plastic |
| Operating Temperature | -25°C to +55°C |
| Vibration Resistance | 2–80 Hz, 0.7g Acceleration |
| Relative Humidity | ≤98% RH |
| Pollution Degree | Grade 3 |
| Installation Category | Category III |
| Dielectric Withstand Voltage | 2.5 kV AC (RMS), 1 Minute |
| Leakage Index | CTI ≥100 |

Applications:
- Electrical control panels and switchboards.
- Industrial machinery monitoring systems.
- Power distribution boards.
- Automation and PLC systems.
- Voltage presence indication circuits.
- Maintenance and diagnostic systems.
Package Include:
- 1x Indicator Light Voltmeter AD101-22VM Round Shape(based on your color choice).



