EXTECH MA440 Series Digital Clamp Meter, 400A AC, with NCV
Professional EXTECH digital clamp meter measures 400A AC, features NCV detection & CAT III 600V safety. Ideal for electricians.
The EXTECH MA440 Series Digital Clamp Meter is a versatile and reliable tool designed for professional electricians and DIY enthusiasts. This 9-function instrument combines essential multimeter capabilities with a high-current AC clamp and a built-in non-contact voltage (NCV) detector, offering a comprehensive solution for electrical testing and diagnostics.
Featuring a CAT III 600V safety rating, it is certified for use on electrical installations, providing essential protection for the user when working on live circuits. The device offers manual function selection and manual ranging for precise control, alongside a convenient data hold function that freezes the current reading on the display for easy recording.
A large backlit LCD display ensures excellent visibility of readings, even in low-light conditions. The digital multimeter (DMM) functions include AC current measurement, AC/DC voltage, capacitance, continuity, diode test, frequency, and resistance. With a maximum jaw opening of 30mm, the clamp can easily fit around a wide variety of conductors.
This robust meter is an indispensable tool for troubleshooting, installation, and maintenance work across residential, commercial, and industrial electrical systems.
- Electrical circuit diagnostics
- Troubleshooting AC installations
- HVAC system maintenance
- Industrial equipment testing
- Model Series: MA440 Series
- Functions: 9 functions
- Special Feature: Non-contact voltage (NCV) detector
- Safety Rating: CAT III 600V
- Operation: Manual function selection & manual ranging
- Special Feature: Data hold function
- Display: Large backlit LCD
- DMM Functions: AC Current, AC/DC Voltage, DC Voltage, Capacitance, Continuity, Diode Test, Frequency, Resistance
- Max AC Current Measurement: 400A
- Max AC Voltage Measurement: 600V
- Max DC Voltage Measurement: 600V
- Max Resistance Measurement: 40 MΩ
- Response Type: Average
- Range Selection: Auto
- Display Digits: 3.75
- Max Jaw Opening: 30 mm
- Weight: 612 grams
- Dimensions: 43 mm (H) x 33 mm (W) x 15 mm (D)
- Large backlit LCD display DMM Functions: AC Current, AC/DC Voltage, Capacitance, Continuity, Diode, Frequency, Resistance
- Current Measure AC Max: 400A
- Voltage Measure AC Max: 600V
- Voltage Measure DC Max: 600V
- Resistance Measure Max: 40Mohm
- DMM Response Type: Average
- of Digits: 3.75
- Jaw Opening Max: 30mm
- Product Range: MA440 Series
- SVHC: No SVHC (17-Jan-2023)
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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