The Martindale CM87 True RMS Clamp Meter is designed for professional electricians and maintenance engineers who require accurate current measurements and advanced diagnostic functions for commercial and industrial electrical systems. With the ability to measure up to 1500 A AC and 2000 A DC, it is ideal for high-current applications, electrical maintenance and fault finding.
Advanced Measurements for Professional Troubleshooting
The CM87 combines True RMS AC/DC current measurement, AC/DC voltage, resistance, continuity, frequency, capacitance and diode testing in one robust instrument. Additional functions including temperature measurement, Min/Max recording, Inrush current capture and Duty Cycle make it well suited to diagnosing motors, control panels, power distribution equipment and electrical installations.
Built for High Current Applications
Featuring a 55 mm jaw opening, auto ranging, a clear backlit display and a CAT III 1000 V / CAT IV 600 V safety rating, the CM87 delivers dependable performance in demanding environments. Why choose the CM87 for electrical testing? Its wide measurement capability and True RMS accuracy allow electricians to troubleshoot complex electrical systems confidently with one professional clamp meter.
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 orders over £99
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.