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3273-50

Wideband DC to 50 MHz/30A AC/DC 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 is ideal for capturing transient current signals from switching power supplies, inverters, and motor controllers.



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

Key Features

• Highly accurate 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 (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.


■ 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 (use with a device having a 1 MΩ input resistance or higher)
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  [3MB]
e-BOOK
English

User Guides

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Manuals

Instruction Manual English
Ver.04

Outline Drawings


Ver.01
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Declaration of Conformity


Ver.06

Drivers, Firmware

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Others

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Options

Options

POWER SUPPLY 3269

• For Hioki wide bandwidth current probes • Connect up to four sensors

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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

• For Hioki wide bandwidth current probes • Single sensor connectable

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Applications

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Gallery

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