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EXTECH EX540 Wireless Multimeter

The Extech EX540 is a reliable and versatile multimeter with wireless data logging, capable of transmitting up to 9,999 readings in real time to a PC. It measures AC and DC voltage, current, resistance, capacitance, and checks diode and continuity functions, making it ideal for electrical and electronic troubleshooting. Featuring True RMS technology for accurate AC measurements, a backlit triple LCD display, and dual frequency sensitivity, it ensures precise readings even in noisy environments. Its rugged, waterproof IP67 design, CAT IV safety rating, and 1000V input protection make it suitable for industrial and field applications.

Authorized Distributors
Part No:EX540
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:EX540
Stock:0
Inv Date:06-05-2026
Price: Unit price: $340.99
Buy/RFQ:
Part No:EX540
Stock:0
Inv Date:06-05-2026
Price: Unit price: $340.99
Buy/RFQ:
Part No:EX540
Stock:0
Inv Date:06-05-2026
Price: Unit price: $340.99
Buy/RFQ:
Part No:EX540
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:EX540
Stock:0
Inv Date:06-05-2026
Price: Unit price: $405
Buy/RFQ:

EXTECH EX540 Wireless Multimeter Specifications:

  • Display Counts: 40,000 count
  • Basic Accuracy: 0.06%
  • DC/AC Voltage: 0.01mV to 1000VDC; 0.01mV to 1000VAC
  • DC/AC Current: 0.01pA to 208A
  • Resistance: 0.01Ω to 40MΩ
  • Capacitance: 0.001nF to 40mF
  • Frequency (electrical): 40Hz to 1kHz
  • Frequency (electronic): 0.001Hz to 100MHz
  • Temperature: -45°C to 750°C (-50°F to 1382°F)
  • Input Protection: 1000V on all functions
  • Housing: Double molded, waterproof IP67
  • Safety: CAT IV 600V rating
  • Size: 7.25 x 3.25 x 2.25 inches
  • Weight: 12.3 oz (349 g)

Buy the Extech EX540 – Reliable Wireless Multimeter with PC Data Logging for Industrial Applications

Purchase the Extech EX540 online for a versatile, high-precision multimeter with wireless PC data logging, True RMS accuracy, waterproof design, and safety for demanding industrial environments. This durable device supports real-time measurements of voltage, current, resistance, capacitance, and temperature, making it ideal for troubleshooting, maintenance, and field applications. Its backlit display and dual-frequency sensitivity facilitate easy operation in various conditions, while the 600V CAT IV safety rating ensures reliable protection. Buy now for top performance in electrical testing.

Get Extech EX540 today—built for precise measurements, wireless data logging, and industrial-grade safety features.

Frequently Asked Questions

Where can I buy EXTECH EX540?

You can click on the BUY or RFQ button to purchase EX540 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part EX540?

You can download the EX540 datasheet or visit the EXTECH website for support.

Who is the manufacturer of EX540?

EXTECH

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