The MT-87 is a digital clamp meter, a handheld electrical testing instrument used to measure AC current without direct contact, along with voltage, resistance, and other basic functions. It's commonly used by electricians, technicians, and DIY users for diagnosing electrical circuits safely and efficiently.
Main Functions of MT-87
Function Description
AC Current Measures alternating current (up to 400 A) using a clamp—no wire cutting needed
DC Voltage Measures direct voltage (up to 600 V)
AC Voltage Measures alternating voltage (up to 450 V)
Resistance Measures resistance (up to 200 kΩ)
Continuity Test Detects open/closed circuits using a buzzer
Diode Test Tests diode polarity and condition
Data Hold Freezes current reading on display