3274

3274

3274

Hioki

Clamp On Probe 3274 - Wideband Current Probe for Oscilloscopes

Hioki flat bandwidth current probes are best-in-class current sensors for use with Memory HiCorders and high performance oscilloscopes. The 3274 supports wide DC to 10 MHz bandwidth signals and 150 A of continuous high input, letting you capture transient current signals from switching power supplies, inverters, and motor controllers. The probe is designed with a high permeability magnetic shield to reduce the effects of electric fields, making it ideal for measuring low currents or nearby high-current lines.
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Key Features
  • Waveform observation across a wide band from DC to MHz
  • Connects directly to oscilloscope or Memory HiCorder BNC input terminal (*1)
Basic Specifications
Frequency bandwidth DC to 10 MHz (-3 dB)
Rise time 35 ns or shorter
Noise level 25 mA rms max. (bandwidth limited to 20 MHz)
Continuous allowable input 150 A rms (requires derating at frequency)
Max. allowable peak input 300 A peak (non continuous)
500 A peak (pulse width: 30 μs or shorter)
Amplitude accuracy
(30 min. after power-on, after degaussing and zero-adjustment)
±1.0 % rdg. ±1 mV f.s. (DC, 45 to 66 Hz, 0 to 150 A rms)
±2.0 % rdg. (DC, 45 to 66 Hz, 150 A to 300 A peak)
Output rate 0.01 V/A
(The output of this probe is internally terminated)
Measurable conductors Insulated conductor
Core diameter φ 20 mm (0.79 in)
Power supply ±12 V ± 1 V, 5.5 VA max.
Dimensions and mass 176 mm (6.93 in)W × 69 mm (2.72 in)H × 27 mm (1.06 in)D, 500 g (17.6 oz)
Sensor cable BNC terminal: 2 m (6.56 ft), Power cable: 1 m (3.28 ft)
Accessories Instruction manual ×1, Carrying case × 1
Accessory Type Probe
Notes Use the Power Supply 3269/3272 for general measurements or when power is not available from the Memory Hicorder. When performing continuous measurements, be aware of offset voltage drift.
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Data Sheet Click here to view

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