Extech EX310 Manual Ranging Digital Multimeter w/NCV

The Extech EX310 is a compact manual ranging digital multimeter with a built-in non-contact voltage (NCV) detector, offering reliable AC/DC voltage, current, resistance, diode, and continuity measurements in a durable, handheld package. Its 2000-count LCD display and CAT III-600V safety rating make it a practical choice for technicians performing routine electrical inspections, troubleshooting aircraft wiring, and checking circuit integrity in MRO and field maintenance environments. Manual ranging gives the user precise control over measurement range selection, making the EX310 well-suited for experienced technicians who prefer direct range management.

Key Features

• Built-in non-contact AC voltage (NCV) detector for quick identification of live circuits without direct contact
• Manual ranging with clear range selection for precise measurement control
• 2000-count LCD display with easy-to-read digits
• Measures AC/DC voltage up to 600V and current, resistance, diode, and continuity
• Audible continuity beeper for fast wire and circuit checks
• UL-listed CAT III-600V safety rating for professional aircraft and industrial electrical work
• Compact, ergonomic housing with protective holster

Specifications

• DC Voltage: 200mV / 2V / 20V / 200V / 600V
• AC Voltage: 200V / 600V
• DC Current: 200µA / 2mA / 20mA / 200mA / 10A
• AC Current: 200µA / 2mA / 20mA / 200mA / 10A
• Resistance: 200Ω / 2kΩ / 20kΩ / 200kΩ / 2MΩ / 20MΩ
• Display: 2000-count LCD
• NCV Detection: Yes
• Safety Rating: CAT III-600V (UL Listed)
• Ranging: Manual

Applications

The EX310 manual ranging multimeter is a reliable everyday tool for aviation maintenance technicians, FBO line crews, and MRO electricians who need a straightforward multimeter for aircraft electrical system checks, continuity testing of wiring harnesses, and voltage verification on aircraft panels and ground support equipment. Its compact size and NCV detector make it efficient for pre-maintenance safety checks, and the manual ranging design supports technicians who prefer direct measurement control when diagnosing complex avionics and airframe electrical circuits.

Need Your Extech EX310 Calibrated?

• PJi operates an ISO/IEC 17025 Accredited Calibration Lab and provides NIST-traceable calibration for the Extech EX310 at purchase.
• Documentation satisfies FAA Part 145, ISO 9001, and AS9100 requirements.
• PJi is the one-stop source: instrument and certificate in one transaction.

Why Buy from Pilot John International?

• Pilot John International is an authorized Extech distributor with an in-house ISO/IEC 17025 Accredited Calibration Lab.
• One-stop source for Extech instruments and NIST-traceable calibration in a single transaction.
• We serve aviation maintenance, FAA Part 145 repair stations, and industrial MRO facilities.
• Full-catalog availability and same-business-day shipping on in-stock items.