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Extech MA445 True RMS Clamp Meter, AC / DC, Built in Non-Contact Voltage (NCV) Detector, 400 A
The Extech MA445 True RMS Clamp Meter, AC / DC, Built in Non-Contact Voltage (NCV) Detector, 400 A by Extech is a premium digital clamp meters designed for premium buyers. It features Voltage Rating: 600V and Model No. / Name: MA445.
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About This Product
The Extech MA445 True RMS Clamp Meter, AC / DC, Built in Non-Contact Voltage (NCV) Detector, 400 A by Extech is a premium digital clamp meters designed for premium buyers. It delivers reliable performance at an accessible price.
Key Specifications
- Voltage Rating: 600V — works with standard household power
- Model No. / Name: MA445
- DC Current(A): 400
- Current accuracy(A): AC: ±2.5%, DC: ±2.0%
- AC Current(A): 400
- Output Voltage Accuracy: AC: ±1.2%, DC: ±0.8% — works with standard household power
- Capacitance: 40mF
- Operating Frequency (MHz): 1 — smooth, flicker-free operation
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The MA445 True RMS clamp meter is packed with a number of different features that make taking measurements that much easier. Using Data Hold, your readings remain on screen until you’ve had a chance to record your findings. Likewise, the Max/Min feature retains the high and low values for you to record.
Model MA445 (20000-75) measures AC/DC current and AC/DC voltage, adding True RMS and DC zero function for greater accuracy and type K thermocouple temperature measurement.
Features:
- Pocket-sized with a 1.2"(30mm) jaw for conductors up to 500 MCM
- Thumb dial measurement mode selection is glove-friendly
- Built-in noncontact voltage detector adds safety
- The data Hold function makes taking measurements easy in any conditions
- Built-in Non-Contact Voltage (NCV) detector
- MultiMeter functions include Resistance,
- Capacitance and Frequency
- Relative Mode for Capacitance
- Data Hold freezes reading on display
- Auto Power Off with disable and Low Battery indication
- Large backlit LCD display
- Complete with test leads, three AAA batteries, and a pouch
Package Includes:
1 x Extech MA445 True RMS Clamp Meter
1 x Test Leads
3 x AAA Batteries
1 x Pouch





