Extech MA440 400A AC Clamp Meter with Non-Contact Voltage Detection
What is the Extech MA440 Clamp Meter?
The Extech MA440 is a 400A AC clamp meter designed for electricians and electrical maintenance technicians carrying out everyday testing and fault finding. It combines AC current measurement up to 400A with AC/DC voltage, resistance, capacitance and frequency measurement.
Versatile Electrical Testing with Built-In NCV
Alongside its clamp measurement, the MA440 features a built-in 100V to 600V non-contact voltage detector for quick voltage checks. It also provides diode, continuity and duty cycle testing, giving electricians a useful range of multimeter functions in one instrument.
How does the MA440 stand out in everyday use?
The 30mm jaw accommodates conductors up to 500MCM while its backlit display, Data Hold and automatic power-off support straightforward everyday testing. With current resolution down to 1mA, the MA440 also provides detailed AC current measurements.
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.
