10pcs Square 22mm Hole Size LED Digital Frequency Counter Module 60-500V AC hz Meter 20-75Hz Range Hertz Tester Cymometer

Certification : CE Origin : Mainland China Model Number : AD101-22HZMS Brand Name : YeNiuDQ DIY Supplies : ELECTRICAL Dimensions : 29.5X47.2X20.3 Operating Temperature : -25~+65 Celsius Accuracy Class : +-5% Power Supply : AC Display Type : Digital Only Product Name : Digital Hertz Hole Size : 22mm colour : Red/yellow/blue/green/white Measuring range : 20-75HZ Head shape : Square/spherical Display method : LED digital display Wiring : Screw terminal