HT Instruments M73 Multitest Meter

Overview

The HT Instruments M73 is a multi-function tester from the MULTITEST family, designed for civil and industrial electrical diagnostics. This versatile device combines RCD trip-time testing, global earth resistance measurement, and a full-featured TRMS digital multimeter into a single, rugged, portable instrument that complies with VDE and IEC standards.

Key Features

• RCD trip-out time measurement for standard AC RCDs with selectable trip currents (30, 30×5, 100, 300 mA)
• High-resolution global earth resistance measurement (0.1 mΩ resolution) without tripping RCDs
• True RMS measurement for AC and DC voltage
• True RMS AC current and leakage current measurement (with optional clamp)
• Automatic AC/DC signal detection
• Resistance and continuity testing with audible buzzer
• Frequency measurement via test leads or optional clamp
• Phase sequence and phase coincidence indication (1- and 2-wire methods)
• Peak measurement (1ms) for inrush current analysis
• Large, easy-to-read LCD display
• Durable, ergonomic design with protective rubber holster
• Compliance with VDE and IEC safety standards

Applications

• Electrical safety inspection and testing
• RCD device qualification and maintenance
• Earth/ground resistance verification
• Industrial electrical troubleshooting
• Leakage current detection and analysis

Included Accessories

• C2075: 2-wire cable with Schuko plug
• KIT0075: Set of 2 cables with leads and 2 alligator clips
• BORSA75: Carrying bag
• ISO9000 Calibration Certificate
• User Manual on CD-ROM
• Quick Reference Guide