The MASTECH M266 Digital Clamp Meter is a reliable and versatile measuring tool designed for electricians, technicians, and maintenance professionals. Equipped with a temperature-measurement function, insulation-testing capability, and a continuity buzzer, this clamp meter is suitable for both professional and industrial applications.

With a large Φ50mm / 2.0" jaw opening, the M266 allows easy clamping around larger conductors for accurate current measurement without interrupting the circuit. Its durable design and user-friendly interface make it an essential tool for electrical troubleshooting and testing.

Key Features

• Temperature Measurement Function – Convenient temperature testing capability
• Large Jaw Opening (Φ50mm / 2.0") – Suitable for larger cables and conductors
• Insulation Test Function – Helps ensure electrical safety and system reliability
• Continuity Buzzer (<50Ω) – Quick and efficient continuity checking
• Accurate Digital Display – Clear readings for professional use
• Portable & Durable Design – Ideal for fieldwork and workshop applications

Specifications

• Display Count: 2000 Counts
• DC Voltage: 200mV / 2V / 20V / 200V / 1000V
• AC Voltage: 200V / 750V
• AC Current: 20A / 200A / 1000A
• Resistance: 200Ω / 20KΩ / 2MΩ
• Temperature: 0°C-750°C ; 32°F-1400°F
• hFE: 1 1000
• Continuity Test Power: 6F22 (9V) x 1
• Data Hold
• Safety Rating: CAT II 1000V, CAT III 600V
• Size: 235x96x46 mm
• Weight: Approx. 268g

Suitable For

• Electrical maintenance
• Industrial testing
• HVAC technicians
• Home and commercial electrical inspection
• Professional electricians and DIY users