Description

Major Tech MTD73A 800A AC True RMS Digital Clamp Meter

Troubleshoot Live Circuits Safely and Quickly

The MTD73A is a compact True RMS clamp meter designed to safely test electrical problems, assess motor condition, and measure appliance current without disconnecting wires. A backlit 4000-count LCD and built-in flashlight support work in dimly lit areas, while the NCV (Non-Contact Voltage) detector enables quick live-circuit checks.

Key Features

  • AC Current: 0.001 A to 800 A (28 mm jaw opening)
  • Voltage: 0.1 mV to 600 V AC/DC
  • Temperature: -40°C to 1000°C (Type K thermocouple)
  • Resistance: up to 40 MΩ
  • Frequency: up to 10 MHz
  • Capacitance: up to 40 mF
  • Display: 4000-count backlit LCD; data hold; duty cycle function
  • NCV: Non-Contact Voltage detection with red LED indication
  • Continuity/Diode: Audible continuity buzzer and diode test
  • True RMS: Accurate AC measurements
  • Power Management: Auto power off; low battery indication

Safety & Standards

  • Overvoltage Category: CAT III 600 V
  • Construction: Double insulation; for indoor use
  • Standards: IEC/EN61010-2-030, EN61010-2-032, EN61010-2-033; Pollution Degree 2

Power, Size & Operating Conditions

  • Battery: 2 × 1.5 V AAA
  • Battery life: Approx. 30 h (backlight ON); approx. 100 h (backlight OFF)
  • Dimensions: 123 (W) × 270 (D) × 39 (H) mm
  • Weight: 280 g
  • Operating temperature: 5°C to 40°C
  • Operating altitude: up to 2000 m

Accessories Supplied with Meter

  • Operating manual
  • Red and black test lead set
  • Air temperature probe
  • 2 × 1.5 V AAA batteries
  • Carrying case

Documentation