Hioki 3280‑10F Review: Compact 1000A AC Clamp Meter for Everyday Electrical Testing

Key Features of Hioki 3280‑10F

• Pocket‑size compact design for easy portability
• AC current measurement up to 1000 A
• Optional flexible current sensor for measurements up to 4200 A AC
• Wide operating temperature range from -25 °C to 65 °C
• Durable construction tested for a 1‑meter drop onto concrete
• L‑shaped fixed clamp tip for easier access in tight electrical panels
• Large clamp opening of φ33 mm

Measurement Capabilities

The Hioki 3280‑10F offers several essential electrical measurement functions used in everyday electrical inspection and maintenance.

Flexible Current Measurement up to 4200 A

For applications requiring measurement of very high currents, the Hioki 3280‑10F can be used with an
optional AC flexible current sensor. This accessory enables current measurements up to
4200 A AC and supports large conductors with a sensor loop diameter of φ130 mm.

Designed for Real‑World Electrical Work

The clamp meter is engineered for practical field conditions. Its rugged mechanical structure allows it to withstand
accidental drops from a height of 1 meter onto a concrete surface. Combined with a wide operating temperature range
from -25 °C to 65 °C, the instrument remains reliable in both harsh outdoor environments and demanding industrial settings.

The L‑shaped clamp tip design also improves accessibility when measuring conductors inside crowded electrical panels
or tight installation spaces.

Safety Ratings

• Jaw: CAT IV 300 V / CAT III 600 V
• Voltage measurement terminal: CAT III 300 V / CAT II 600 V

Conclusion

The Hioki 3280‑10F AC Clamp Meter combines compact size, mechanical durability, and practical measurement capability
in a single instrument. With AC current measurement up to 1000 A, voltage and resistance measurement functions, and optional flexible
current sensing up to 4200 A, it provides a versatile solution for electrical maintenance, troubleshooting, and inspection tasks.

Its pocket‑size design, wide operating temperature range, and rugged construction make it a dependable clamp meter for
professionals who require a reliable tool for everyday electrical measurements.