The GW Instek GDM‑541 is a high-precision, handheld digital multimeter designed for professional electricians, engineers, and electronics technicians. Featuring a 22,000-count backlit LCD display and True RMS measurement, it delivers accurate readings for AC/DC voltage, current, resistance, capacitance, frequency, and more. With robust safety ratings and advanced features, this multimeter is ideal for industrial, lab, and field applications.

Key Features

• True RMS AC/DC measurement for precise readings

• 22,000-count backlit LCD display for detailed analysis

• Wide measurement ranges: Voltage up to 1000 V, Current up to 20 A, Resistance up to 220 MΩ

• Auto and manual ranging options for flexible testing

• Non-Contact Voltage (NCV) detection for safe testing

• USB interface for PC data logging

• Audible and visual overload alarms

• Fuse protection and rugged design for industrial use

Technical Specifications

• Display: 22,000 counts, backlit LCD

• AC Voltage: 0–1000 V (True RMS)

• DC Voltage: 0–1000 V

• AC/DC Current: 0–20 A

• Resistance: 0–220 MΩ

• Capacitance: Up to 220 mF

• Frequency Measurement: Yes

• Diode/Continuity/hFE Test: Yes

• Safety Rating: CAT III 1000 V / CAT IV 600 V

• Power Supply: 4 × AAA batteries

• Operating Temperature: 0 °C–40 °C

• Weight & Size: Compact and portable

Applications

• Industrial electrical system testing and maintenance

• Commercial and residential wiring diagnostics

• Panel and motor control troubleshooting

• HVAC and automation system servicing

• Electronics lab measurement and R&D testing

• PCB repair, component testing, and continuity verification

• Technical training and vocational institute labs

• Professional electricians, field engineers, and technicians

Why Choose GW Instek GDM‑541?

• Accurate True RMS readings reduce diagnostic errors

• High-resolution display supports detailed analysis

• Safety-compliant for industrial and field use

• USB connectivity allows easy data logging and reporting

• Versatile multimeter for electrical maintenance, lab testing, and field service