CLAMP ON PROBE
3276
High S/N characteristics enable the measurement of 10 mA order current waveforms Wideband Current Probe for Oscilloscopes
Hioki wide frequency current probes are best-in-class current sensors for use with Memory HiCorders and high performance oscilloscopes. The 3276 offers a wide DC to 100 MHz bandwidth and 30A of continuous input, and applications include capturing transient current signals from switching power supplies, inverters, and motor controllers. The probe is designed with a high permeability magnetic shield with low insertion loss to reduce derating that may result from increased sensor head heating caused by eddy currents, making it ideal for measuring current of low impedance circuits and waveforms that include high frequency components. Key Features • Waveform observation across a wide band from DC to MHz • Connects directly to oscilloscope or Memory HiCorder BNC input terminal *1 • High S/N characteristics enable the measurement of 10 mA order current waveforms *1 Connecting the device’s metal BNC terminal to a Memory HiCorder’s plastic BNC terminal may damage the plastic terminal or cause it to become misshapen.
3276 | DC to 100 MHz, 30 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 100 MHz (-3 dB) |
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Rise time | 3.5 ns or shorter |
Noise level | 2.5 mA rms max. (bandwidth limited to 20 MHz) |
Continuous allowable input | 30 A rms (requires derating at frequency) |
Max. allowable peak input | 50 A peak (non continuous) |
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 30 A rms) ±2 % rdg. (DC, 45 to 66 Hz, 30 A rms to 50 A peak) |
Output rate | 0.1 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 5 mm (0.20 in) |
Power supply | ±12 V ±0.5 V, 5.3 VA max. |
Dimensions and mass | 175 mm (6.89 in)W × 18 mm (0.71 in)H × 40 mm (1.57 in)D, 240 g (8.5 oz) Sensor cable BNC terminal: 1.5 m (4.92 ft), Power cable: 1 m (3.28 ft) |
Accessories | Instruction manual ×1, Carrying case × 1 |
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Dec 15, 2020 - Dec 17, 2020 |
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 3273-50 [2MB] |
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 3276 [73KB] |
Ver.02 |
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.07 |
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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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