• Advanced Functionality: The MESTEK DM91A is a feature-rich digital multimeter designed for professional use, providing accurate readings in various electrical applications
• Versatile Measurements: Measure DC and AC voltage up to 600V, DC and AC current up to 10A, resistance up to 99.99MΩ, and capacitance up to 99.99mF, offering a wide range of testing capabilities
• User-Friendly Design: With a manual/auto-ranging feature, automatic recognition of buzzer/diode testing, and data hold function, the DM91A ensures efficiency and ease of use
• Enhanced Safety Features: Equipped with Non-Contact Voltage (NCV) detection, live wire identification, VFC AC voltage and current frequency measurement, and fuse fuse-break alarm, prioritizing user safety
• Convenient and Portable: The digital display with a maximum count of 1999, backlight for low-light conditions, and auto-shutoff after approximately 10 minutes of inactivity make it a reliable and portable tool

Specifications:

• Display count (MAX): 1999
• AC and DC voltage (V): 0~600V
• DC current (A): 0~600mA/0~10A
• AC current (A): 0~600mA/0~10A
• Resistance (Ω): 0~99.99ΜΩ
• Capacitance (F): 0~99.99mF
• Manual/auto range: manual
• Buzzer/diode: automatic recognition
• Battery voltage measurement: 1.5V/9V
• NCV: Yes
• Illumination backlight: Yes
• Automatic shutdown: Yes (about 10 minutes)
• Data retention: Yes
• True valid value: Yes
• LIVE FireWire Identification: Yes
• VFC AC voltage and current frequency measurement: Yes
• Fuse blown alarm: Yes
• Powered by battery: 2 x 1.5V AAA batteries, not included