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EXTECH MA445NIST Digital Multimeter

The Extech MA445-NIST digital multimeter provides a versatile solution with a 1.2-inch jaw opening, capable of measuring conductors up to 500 MCM. It features a built-in non-contact voltage detector (NCV), large backlit LCD display, and a wide range of measurement functions including AC/DC voltage, AC current, resistance, capacitance, frequency, diode testing, and continuity. The device includes relative mode for capacitance, data hold, auto power-off, and low battery indicator. It is ISO certified, ensuring high accuracy and reliability for electrical testing and troubleshooting.

Authorized Distributors
Part No:MA445-NIST
Stock:0
Inv Date:06-06-2026
Price: N/A
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Part No:MA445-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $212.99
Buy/RFQ:
Part No:MA445-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $212.99
Buy/RFQ:
Part No:MA445-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $199.99
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Part No:MA445-NIST
Stock:4
Inv Date:06-05-2026
Price: Unit price: $270
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EXTECH MA445NIST Digital Multimeter Specifications:

  • Jaw Size: 1.2 inches (30mm) for conductors up to 500 MCM
  • Display: Large backlit LCD
  • Measurement functions: AC/DC voltage, AC current, resistance, capacitance, frequency, diode, continuity
  • Non-Contact Voltage (NCV): 100-600V
  • Range: AC/DC voltage up to 600V, AC current up to 400.04A, DC current up to 400.04A
  • Accuracy: AC voltage ±1.2%, DC voltage ±0.2%, resistance 0.19Ω
  • Temperature: -40°F to 1832°F / -40°C to 1000°C (Type K option on models with temperature)
  • Dimensions: 9 x 3 x 1.6 inches (228 x 77 x 41 mm)
  • Weight: 9.3 oz (265 g)
  • Features: Data hold, auto power off, low battery indicator, relative measurement mode, diode test, continuity test

Buy the Extech Series MA445 Digital Multimeter: MA445NIST

Order the Extech MA445NIST digital multimeter online today to experience reliable, accurate electrical testing with versatile measurement functions, a large backlit LCD, and built-in NCV detection. This high-quality instrument is perfect for electricians and technicians, providing precise readings of voltage, current, resistance, capacitance, and frequency. Its robust design includes a 1.2-inch jaw suitable for conductors up to 500 MCM, auto power-off, and data hold features, ensuring long-lasting performance and convenience in the field. Purchase now for professional-grade electrical diagnostics.

Get Extech MA445NIST today—built for precise electrical measurements and durable testing in demanding environments.

Frequently Asked Questions

Where can I buy EXTECH MA445NIST?

You can click on the BUY or RFQ button to purchase MA445NIST from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part MA445NIST?

You can download the MA445NIST datasheet or visit the EXTECH website for support.

Who is the manufacturer of MA445NIST?

EXTECH

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