HIOKI 3280-20F AC Clamp Meter 

HIOKI 3280-20F AC Clamp Meter is the best-in-class measuring devices incorporating Hioki’ s expertise in current sensing technology. The 3280-20F is a True RMS rectifying 1000A AC clamp meter that features a broad operating temperature range of -25° C to 65° C, thin and compact clamp core and optional flexible current sensor that you can attach to let you get into the tightest spots.
CAT IV 300 V (Current)
CAT III 600 V (Current)
CAT III 300 V (Voltage)
CAT II 600 V (Voltage)

Key Features
• Measure even harmonic waveform components using the True RMS method
• Expanded -25 °C to 65 °C operating temperature range
• Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
• Drop proof design withstands drop from a height of 1 meter

Basic Specifications
AC Current : 41.99 to 1000 A, 3 ranges (40 Hz to 1 kHz, True RMS),
Basic accuracy: ±1.5 % rdg. ±5 dgt.

DC Voltage : 419.9 mV to 600 V, 5 ranges, Basic accuracy: ±1.0 % rdg. ±3 dgt.

AC Voltage : 4.199 V to 600 V, 4 ranges (45 to 500 Hz, True RMS),
Basic accuracy: ±1.8 % rdg. ±7 dgt.

Crest factor : 2.5 or less (1.5 or less at 4200 counts)

Resistance : 419.9 O to 41.99 MO, 6 ranges, Basic accuracy: ±2 % rdg. ±4 dgt.

Other functions : Continuity: Buzzer sounds at 50 O ±40 O or less, Data hold, Auto power save, Drop-proof from height of 1 meter

Display : LCD, max. 4199 dgt., Display refresh rate: 400 ms

Environmental protection : IP40 dustproof and waterproof

Power supply : Coin type lithium battery (CR2032) ×1, Continuous use 70 hours

Core jaw dia. : f 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)

Accessories : CARRYING CASE 9398 ×1, TEST LEAD L9208 ×1, Coin type lithium battery (CR2032) ×1, Instruction manual ×1

CT6280 Basic specifications
Core jaw dia. : f 130 mm (5.12 in) (Cable cross-section diameter: 5 mm (0.20 in); tip cap diameter: 7 mm (0.28 in))

AC Current : 419.9 A/ 4199 A, 2 ranges (±3.0 % rdg. ±5 dgt.)

Cable length : 800 mm (31.5 in)