Specifications
| Model | SF72, AM-72, or SQ-72 |
| Type | DC Analog Voltmeter (Moving Coil movement) |
| Dimensions (WxH) | 72mm x 72mm |
| Cutout Size | Approximately 68mm x 68mm |
| Measuring Range | 0-30V DC (direct connection) |
| Accuracy Class | Class 1.5% |
| Deflection | 90° scale arc |
| Withstand Voltage | 2000V for 1 minute |
| Operating Temp | -10°C to +55°C |
| Material | Plastic housing, glass window |