This document describes the features and functions of the EX540 model wireless TRMS multimeter, including measurement of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode test, continuity, and thermocouple temperature. This multimeter features a waterproof, rugged design for heavy-duty use. It can wirelessly connect to a PC and transmit data.
The document serves as a comprehensive manual for the Extech EX540 Wireless TRMS Multimeter. It details the device's capabilities, including measurements of AC/DC voltage, current, resistance, capacitance, frequency, and temperature via thermocouples. The guide emphasizes safety protocols regarding high voltages and input limits to prevent damage or injury.
| Display Count | 40,000 count LCD display |
|---|---|
| Voltage Input Protection | 1000VDC/AC rms |
| Current Input Protection (mA) | 500mA |
| Current Input Protection (A) | 10A |
The meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode Test, and Continuity plus Thermocouple Temperature.
Do not make 20A current measurements for longer than 30 seconds to avoid damage.
The meter has a surge protection rating of 8kV peak per IEC 61010.