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3273-50

High S/N characteristics enable the measurement of 10 mA order current waveforms 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 3273-50 offers a wide DC to 50 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 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 50 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 (3273-50, 3276) *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.



Model No. (Order Code)

3273-50 DC to 50 MHz, 30 Arms

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.

CE
DC
Insulated conductor

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 6 months)

Frequency bandwidthDC to 50 MHz (-3 dB)
Rise time7 ns or shorter
Noise level2.5 mA rms max. (bandwidth limited to 20 MHz)
Continuous allowable input30 A rms (requires derating at frequency)
Max. allowable peak input50 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 rate0.1 V/A (The output of this probe is internally terminated, so connect to voltage input equipment with high input impedance such as 1MΩ)
Measurable conductorsInsulated conductor
Core diameterφ 5 mm (0.20 in)
Power supply±12 V ±0.5 V, 5.6 VA max.
Dimensions and mass±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)
Sensor cable BNC terminal: 1.5 m (4.92 ft), Power cable: 1 m (3.28 ft)
AccessoriesInstruction manual ×1, Soft case × 1

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Seminar Videos On Demand

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Seminar Schedule

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Catalogs

Catalog: CURRENT PROBE series CT6700, CT6701, 3273-50, 3274, 3275, 3276 Download PDF  [4MB] English

User Guides

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Manuals

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Instruction Manual English
Ver.04

Outline Drawings

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Ver.01

Declaration of Conformity


Ver.06

Drivers, Firmware

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Others

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Options

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POWER SUPPLY 3269

• Power supply for wideband current probes for output to Memory HiCorders or oscilloscopes

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CONVERSION CABLE 9319

To connect the 3273-50 and the 8940, Note: cannot be used with the 3274, 3275, 3276 to connect the 8940 via this cable 9319

POWER SUPPLY 3272

• Power supply for wideband current probes for output to Memory HiCorders or oscilloscopes

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Applications

Gallery

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