Fluke 177 True-RMS Digital Multimeter, ISO Calibrated, CAT III 1000 V / CAT IV 600 V, 6000 Counts 1592874-ISO

Industrial electricians and maintenance technicians rely on the Fluke 177 digital multimeter for accurate troubleshooting in demanding environments. This ISO-calibrated unit delivers true-RMS measurements for AC voltage and current, ensuring precise readings even on non-linear loads. The backlit 6000-count display with analog bar graph provides clear visibility in dimly lit panels, while the CAT III 1000 V / CAT IV 600 V safety rating allows confident use on high-energy circuits.

Key specifications

• 6000-count digital display with backlight
• True-RMS AC voltage and current
• Measures up to 1000 V AC/DC, 10 A AC/DC, 50 MΩ resistance, 10,000 µF capacitance, and 100 kHz frequency
• Basic DC voltage accuracy: 0.09%
• CAT III 1000 V / CAT IV 600 V safety rating
• Min/Max/Average recording, data hold, and continuity beeper
• Powered by a 9V alkaline battery (NEDA 1604A/IEC 6LR61)
• Operating temperature: -10 °C to +50 °C
• ISO calibration certificate

Why choose it

The Fluke 177 combines rugged construction with advanced measurement functions, making it a reliable tool for daily use. Its true-RMS capability ensures accurate readings on variable frequency drives and other electronically controlled systems, while the high safety category allows work on both distribution panels and industrial machinery.

Ideal use cases

• Industrial electrical maintenance and troubleshooting
• Verification of power quality in commercial buildings
• Field service for HVAC and automation systems
• Calibration and testing in laboratories

Good to know

The meter's auto and manual ranging modes provide flexibility for both quick checks and detailed measurements. The included ISO calibration ensures traceability and compliance with quality standards, making it suitable for regulated environments.