Major Tech Auto DMM, CATIV 600V, IP67 MT1877

Description

High-Performance Testing for Fast, Accurate Diagnostics

The MT1877 Digital Multimeter is built for electricians who need fast, reliable readings on the job. Featuring True RMS accuracy and a 4000-count auto-ranging display with manual override, it delivers precise measurements across AC and DC systems up to 1000V.

With frequency measurement from 50Hz to 400Hz, capacitance testing, resistance up to 40MΩ, and duty cycle analysis, this meter is designed to handle everyday troubleshooting across residential, commercial, and industrial environments. The large backlit LCD ensures clear visibility in low-light switchboards, plant rooms, and site conditions—helping you work faster without second-guessing readings.

Built Tough for Compliance, Safety & Site Reliability

Engineered for demanding trade environments, the MT1877 is rated CAT IV 600V and CAT III 1000V, giving you confidence when working on high-energy installations. The IP67-rated double-moulded housing protects against dust and water ingress, making it suitable for harsh job sites and outdoor conditions.

Advanced protection features ensure the meter withstands accidental input errors, including full input protection even when the rotary switch is set incorrectly. A non-contact voltage detector alerts above 110V AC with a red LCD warning, adding another layer of safety for live circuit detection and fault finding. Built for compliance-driven work, this is a dependable tool for licensed professionals who can’t afford downtime or equipment failure.

Designed for Trade Efficiency & Everyday Job Convenience

The MT1877 is packed with practical features that streamline day-to-day electrical work. Auto-ranging with manual override gives flexibility across tasks, while data hold, relative mode, and auto power-off improve efficiency on busy jobs. The integrated test lead holder keeps your setup organised, reducing time spent untangling leads on-site.

A blue backlit display supports low-light environments, and audible continuity testing speeds up fault finding. With a compact, durable design and included 9V battery, test leads, and instruction manual, this multimeter is ready to go straight out of the box—ideal for contractors who need reliable gear that keeps up with tight project schedules.

Key Specifications

• True RMS measurement
• 4000 count LCD display
• CAT IV 600V / CAT III 1000V rated
• AC/DC Voltage: up to 1000V
• DC Current: 400µA – 10A
• AC Current: 400µA – 10A
• Resistance: 400Ω – 40MΩ
• Capacitance: 99.99nF – 99.99mF
• Frequency: 9.999Hz – 10MHz
• Duty Cycle: 0.1% – 99.9%
• Continuity test: audible ≤ 50Ω
• Diode test: 1mA test current, 3.2V open circuit
• Non-contact voltage detection above 110V AC
• IP67 dust & waterproof housing
• Backlight display + red LCD warning indicator
• Auto ranging with manual override
• Data hold, relative mode, duty cycle, auto power off
• Battery: 9V
• Dimensions: 182 × 82 × 55mm
• Weight: 375g
• Accessories: 9V battery, test leads, instruction manual

Ideal For

• Licensed electricians and electrical contractors
• Commercial and industrial maintenance technicians
• Facility and building maintenance teams
• Electrical fault finding and diagnostics
• Residential, commercial, and industrial installations
• HVAC and equipment service technicians
• Site commissioning and compliance testing