CLAMP ON PROBE 3273-50

High S/N characteristics enable the measurement of,br>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 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.

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 (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 bandwidth	DC to 50 MHz (-3 dB)
Rise time	7 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, 5.6 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)
Accessories	Instruction manual ×1, Soft case × 1

Catalog: CURRENT PROBE series CT6700, CT6701, 3273-50, 3274, 3275, 3276

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