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 150A 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. Key Features • Waveform observation across a wide band from DC to MHz • Connects directly to oscilloscope or Memory HiCorder BNC input terminal *1 *1: Connecting the probe's metal BNC terminal to a Memory HiCorder’s plastic BNC terminal may distort or damage the plastic terminal. To avoid damage, please connect and disconnect the probe cable straight to the BNC terminal of the waveform monitoring equipment.
3274 | DC to 10 MHz, 150 Arms |
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Note: 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.
Frequency bandwidth | DC to 10 MHz (-3 dB) |
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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, so connect to voltage input equipment with high input impedance such as 1MΩ) |
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 |
Log into your myHioki account to access more technical documents and information where available.
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Catalog: HIGH ACCURACY / WIDEBAND CURRENT SENSOR Series CT686x, CT687x, CT684x | Download PDF [6MB] |
English |
Catalog: CURRENT PROBE series CT6700, CT6701, 3273-50, 3274, 3275, 3276 | Download PDF [4MB] |
English |
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If you can not download, log into your myHioki account to access more technical documents and information where available.
CLAMP ON PROBE 3274,3275 [3MB] |
Instruction Manual |
English |
Ver.05 |
If you can not download, log into your myHioki account to access more technical documents and information where available.
CLAMP ON PROBE 3274 [101KB] |
Ver.03 |
Developing a Thin-film Low-noise Hall Element for Use in Current Probes [611KB] |
High-precision, Wideband, Highly Stable Current Sensing Technology [6MB] |
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Ver.09 |
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POWER SUPPLY 3269
• 2 channels for CT6710 series or 4 channels for CT6700 and 3270 series • ±12 V output
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