CLAMP ON PROBE 3275

Wideband Current Probe for Oscilloscope

Hioki flat bandwidth current probes are best-in-class current sensors
for use with Memory HiCorders and high performance oscilloscopes. The
3275 supports wide DC to 2 MHz bandwidth signals and 500A of continuous
high input, and is ideal for capturing transient current signals from
switching power supplies, inverters, and motor controllers.

Model No. (Order Code)

3275	DC to 2 MHz, 500 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

*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 2 MHz (-3 dB)
Rise time	175 ns or shorter
Noise level	25 mA rms max. (bandwidth limited to 20 MHz)
Continuous allowable input	500 A rms (requires derating at frequency)
Max. allowable peak input	700 A peak (non continuous)
Amplitude accuracy (30 min. after power-on, after degaussing and zero-adjustment)	±1.0 % rdg. ±5 mV f.s. (DC, 45 to 66 Hz, 0 to 500 A rms) ±2.0 % rdg. (DC, 45 to 66 Hz, 500 A to 700 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 ±0.5 V, 7.2 VA max.
Dimensions and mass	176 mm (6.93 in)W × 69 mm (2.72 in)H × 27 mm (1.06 in)D, 520 g (18.3 oz) Sensor cable BNC terminal: 2 m (6.56 ft), Power cable: 1 m (3.28 ft)
Accessories	Instruction manual ×1, Carrying case × 1

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

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