The Martindale MM67 is designed for electricians, electrical contractors and maintenance technicians who need a reliable True RMS digital multimeter for electrical testing, fault finding and maintenance work. Combining True RMS technology with auto-ranging operation, the MM67 delivers accurate measurements on both standard and distorted waveforms, making it ideal for modern electrical systems.
Built for Professional Troubleshooting
Whether you're diagnosing electrical faults, testing circuits or carrying out routine maintenance, the MM67 provides dependable measurements for AC/DC voltage, AC/DC current, resistance, capacitance and frequency. Its backlit display, Min/Max recording and rugged over-moulded housing make it a practical choice for demanding site environments.
How does the MM67 improve everyday testing?
With True RMS measurement, frequency testing up to 66MHz and a wide range of electrical functions, the MM67 helps electricians obtain accurate readings quickly and confidently. Auto-ranging operation and incorrect connection warnings simplify testing while helping reduce user errors.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
