The Gossen Metrawatt METRAHIT 27M is a rugged, reliable, and compact milliohmmeter, multimeter, and temperature measuring instrument. Designed for on-site service and laboratory tasks, it excels at low-resistance measurements, making it ideal for testing contact resistances at welding seams, riveted joints, and aircraft outer skins for lightning protection. With its 4-wire Kelvin connection and high test currents, the METRAHIT 27M delivers accurate, repeatable results in demanding industrial environments.
Key Features & Highlights
- Milliohmmeter ranges: 3.000 mΩ to 300.00 mΩ with 1 A measuring current; 30.00 mΩ to 30.00 Ω with 200 mA measuring current
- Kelvin connection (4-wire measurement) for precise low-resistance readings
- Resistance measurement from 300 Ω to 30 MΩ
- Voltage measurement from 3 to 600 V DC and 3 to 600 V AC with ±30,000 digits
- Frequency measurement from 300 Hz to 3 kHz
- DATA hold memory for up to 1200 measured values
- Continuity and diode testing
- Overload protection for enhanced durability
- DAkkS calibration certificate included as standard
Applications
The METRAHIT 27M is perfect for electrical maintenance, quality assurance, and laboratory use. It is particularly suited for measuring low-value contact resistances in welding seams, riveted joints, and aircraft outer skins (lightning protection, wick test), as well as general low-resistance measurements in industrial settings.
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