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EXTECH EX420NIST Multimeter

The Extech EX420-NIST multimeter provides precise measurements of AC/DC voltage, current, resistance, capacitance, and frequency. It includes a Type K thermocouple for temperature readings, a backlit LCD display for easy reading, and features like low current measurement down to 0.1 microamps, input fuse protection, mis-connection warnings, data hold, and auto power-off. Its CAT III 600V safety rating makes it suitable for professional electrical testing environments. The device is ISO certified with detailed data and measurement uncertainties, making it ideal for technicians requiring high accuracy and reliability.

Authorized Distributors
Part No:EX420-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $149.99
Buy/RFQ:
Part No:EX420-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $149.99
Buy/RFQ:
Part No:EX420-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $195
Buy/RFQ:

EXTECH EX420NIST Multimeter Specifications:

  • Voltage Range: Up to 7500V AC/DC with 0.1mV resolution
  • Current Range: 0.1μA to 20A, True RMS measurement
  • Resistance: 0.10Ω to 20Mohm with ±0.3% accuracy
  • Capacitance: 0.01nF to 100,000μF
  • Frequency: 7Hz to 10MHz
  • Temperature (Type K): -20°C to 750°C (-4°F to 1382°F)
  • Display: Backlit 4000-count LCD with large digits
  • Dimensions: 7.4 x 3.2 x 2 inches (187 x 81 x 50 mm)
  • Weight: 0.75 lbs (342 grams)
  • Features: Data hold, relative mode, auto power-off, mis-connection warnings
  • Safety Rating: CAT III 600V
  • Accessories: Includes NIST calibration certificate, test leads, thermocouple, protective holster, magnetic strap
  • Warranty: 1 year

Buy the Extech EX420-NIST – Reliable Electrical Measurement for Industrial Applications

Purchase the Extech EX420-NIST multimeter online now to ensure precise measurement of electrical parameters. Equipped with a built-in Type K thermometer and comprehensive safety features, this versatile device provides accurate readings with a backlit display for visibility in any working condition. Its low current measurement capability down to 0.1 microamps, input fuse protection, and mis-connection warnings ensure safety during operation. Ideal for professionals, it includes NIST calibration certification and essential accessories, making it your trusted choice for reliable, high-accuracy electrical testing.

Get Extech EX420-NIST today—built for precision and long-lasting durability in electrical testing environments.

Frequently Asked Questions

Where can I buy EXTECH EX420NIST?

You can click on the BUY or RFQ button to purchase EX420NIST from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part EX420NIST?

You can download the EX420NIST datasheet or visit the EXTECH website for support.

Who is the manufacturer of EX420NIST?

EXTECH

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