MASTECH M266 AC Digital Clamp Meter

The MASTECH M266 AC Digital Clamp Meter is a professional-grade electrical measuring instrument designed for electricians, technicians, engineers, maintenance professionals, and DIY users. It combines the functionality of a digital multimeter with a clamp meter, allowing you to measure AC current without disconnecting the circuit, making testing faster, safer, and more convenient.

Equipped with a 2000-count LCD display, the M266 offers accurate measurement of AC/DC voltage, AC current, resistance, frequency, and temperature. It also features continuity buzzer, diode testing, insulation testing support, and data hold, making it suitable for a wide range of electrical and electronic applications.

The large clamp jaw allows easy measurement of high AC current, while the durable construction and ergonomic design ensure reliable performance in industrial, commercial, and residential environments. Whether you’re troubleshooting electrical systems, repairing appliances, maintaining industrial equipment, or working on automotive electrical systems, the MASTECH M266 delivers dependable and precise results.

Key Features

• Measures AC Current with Clamp
• AC/DC Voltage Measurement
• Resistance Measurement
• Frequency Measurement
• Temperature Measurement
• 2000 Counts LCD Display
• Data Hold Function
• Continuity Buzzer Test
• Diode Testing
• Insulation Test Support
• Large Clamp Jaw
• High Accuracy & Stable Performance
• Easy-to-Read LCD Display
• Durable & Portable Design
• CAT II 1000V / CAT III 600V Safety Rating

Applications

• Electrical Maintenance
• Industrial Electrical Testing
• Home Wiring Inspection
• Appliance Repair
• Electrical Panel Testing
• HVAC Maintenance
• Automotive Electrical Diagnostics
• Electronics Repair
• Industrial Equipment Maintenance
• DIY Electrical Projects

Technical Specifications