Voltage Range: 220V AC, 50-500V AC
Color Options: Red, Yellow, Green, Blue, White
Function Types: Thermometer, Voltmeter, Ammeter, Frequency Indicator Light
Size Specifications: Round (Φ29mm, Φ20.3mm), Square (31.5x31.5mm)
Measurement Range: Temperature (-20~200°C), Current (0~50A, 50~100A), Voltage (50~500V AC), Frequency (0~80Hz)
Contour: Various diameters and heights are provided to accommodate different installation spaces and design requirements