Hioki clamp meters are best-in-class measuring devices that incorporate Hioki’s expertise in current sensing technology. The 3280-10F is an average rectifying AC clamp meter 1000A that features a broad operating temperature range of -25°C to 65°C, a thin and compact clamp core, and an optional flexible current sensor that you can attach to let you get into the tightest spots.

AC Current range	41.99 to 1000 A, 3 ranges (50 Hz to 60 Hz, Average rectified), Basic accuracy: ±1.5 % rdg. ±5 dgt.
DC Voltage range	419.9 mV to 600 V, 5 ranges, Basic accuracy: ±1.0 % rdg. ±3 dgt.
AC Voltage range	4.199 V to 600 V, 4 ranges (45 to 500 Hz, Average rectified), Basic accuracy: ±1.8 % rdg. ±7 dgt.
Crest factor	N/A
Resistance range	419.9 Ω to 41.99 MΩ, 6 ranges, Basic accuracy: ±2 % rdg. ±4 dgt.
Other functions	Continuity: Buzzer sounds at 50 Ω ±40 Ω or less, Data hold, Auto power save, Drop-proof from the height of 1 meter
Display	LCD, max. 4199 dgt., Display refresh rate: 400 ms
Environmental protection	IP40 dustproof and waterproof (while in storage)
Power supply	Coin type lithium battery (CR2032) ×1, Continuous use 120 hours
Core jaw dia.	φ 33 mm (1.30 in)
Dimensions and mass	57 mm (2.24 in) W × 175 mm (6.89 in) H × 16 mm (0.63 in) D, 100 g (3.5 oz)
Included accessories	CARRYING CASE 9398 ×1, TEST LEAD L9208 ×1, Coin type lithium battery (CR2032) ×1, Instruction manual ×1