HIOKI 327x Series Clamp On Sensors
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HIOKI 327x Series Clamp On Sensors - 1

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1 CLAMP ON PROBE 3273-50 to 3276 Because current measurement requires the insertion of a shunt or a CT, the task often becomes difficult due to breaks in the electrical path. The 3273-50 - 3276 CLAMP ON PROBEs only need to be connected directly into the BNC input on waveform observation equipment such as an oscilloscope or a recorder. Then simply clamp onto the conductor to be measured to easily observe current waveforms under a wide bandwidth and high sensitivity conditions. Important Characteristics 3273-50 ■ Square wave response ■ Transient response Input: 100 mAp-p (Oscilloscope...

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2 CLAMP ON PROBE 3273-50 to 3276 Features ● High S/N ratio: ideal for measuring milliampere waveforms (Model 3273-50) ● Capable of waveform monitoring from wide band and minute currents to large currents (Model 3274) ● Permits waveform observation of large current of up to 500 Arms (Model 3275) ● Wide-band waveform observations, from DC to 100 MHz (Model 3276) ● Direct connection to BNC input of oscilloscope ● Highly accurate current detection ● Newly developed indium-antimony (InSb) thin-film Hall element ● Simple overload protector prevents damage due to overheating ● Easy measurement ●...

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3 CLAMP ON PROBE 3273-50 to 3276 3273-50 3276 ■ 3273-50 / 3276 Specifications (accuracy is guaranteed at 23±3˚C [73±5˚F] after the power has been on for 30 minutes) 3273-50 3276 DC to 50 MHz (-3 dB) * See Fig. 1 on page 1. DC to 100 MHz (-3 dB) * See Fig. 1 on page 1. 7 ns or less 3.5 ns or less 30 Arms * Frequency derating see Fig. 2 on page 1. 30 Arms * Frequency derating see Fig. 2 on page 1. Non-continuous 50 Apeak Frequency bandwidth Non-continuous 50 Apeak Rise time Continuous maximum input range Maximum peak current value Output voltage rate 0.1 V/A 0.1 V/A Amplitude accuracy ±1.0%...

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4 CLAMP ON PROBE 3273-50 to 3276 3274 3275 ■ 3274 / 3275 Specifications (accuracy is guaranteed at 23±3˚C [73±5˚F] after the power has been on for 30 minutes) 3274 3275 DC to 10 MHz (-3 dB) * See Fig. 1 on page 2. DC to 2 MHz (-3 dB) * See Fig. 1 on page 2. 35 ns or less 175 ns or less 150 Arms * Frequency derating see Fig. 2 on page 2. 500 Arms * Frequency derating see Fig. 2 on page 2. Non-continuous 300 Apeak 500 A peak at pulse width of ≤ 30 ms Frequency bandwidth Non-continuous 700 Apeak Rise time Continuous maximum input range Maximum peak current value Output voltage rate 0.01 V/A...

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5 AC/DC CURRENT SENSOR 9709 DC to 100 kHz Range The AC/DC Current Sensor 9709 is a high current, wide bandwidth and ultra-precise (±0.05% rdg. ±0.01 % f.s.) sensor. Effects from conductor position, external magnetic fields and magnetic bandwidth are extremely small, making the sensor ideal for answering measurement needs in the research and development of electrical vehicles, hybrid vehicles, and fuel cell batteries, as well as many other applications. SENSOR UNIT 9555-10 Supply power to the 9709 when the sensor is used by itself. Please refer to page 6 for specifications. ■ 9709...

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6   UNIVERSAL CLAMP ON CT 9277 to 9279 DC to 100 kHz (9277/9278) When used together with the 9555- 10 SENSOR UNIT, current waveforms can be observed from DC to 100 kHz (Models 9277/9278). Controlled zero drift allows for stable, long-duration measurements. 9279 ■ 9277 to 9279 Specifications 9277 9278 20 A Rated current (AC/DC) 9278 9279 200 A 500 A The probe cannot be used alone: the 9555-10 is required. 2 V f.s. After demagnetization and at least 30 min. warm-up Amplitude: ±0.5% rdg. ±0.05% f.s. Phase:within ±0.2˚(DC has no provision) DC to 1 kHz     : within ±1.0%  DC to 1 kHz: within...

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7 ■ Rated current & Frequency characteristics Level Monitoring Wave Monitoring AC/DC AC 3275 : DC to 2 MHz 500A 9709 : DC to 100 kHz 150A 3274 : DC to 10 MHz 3273-50 : DC to 50 MHz 30A 3276 : DC to 100 MHz 500A 9279 : DC to 20 kHz 9272-10 (20/200A) : 1Hz to 100kHz 200A 9278 : DC to 100 kHz 20A 9277 : DC to 100 kHz DC 1  10 100 1k 10k Frequency (Hz) 100k 1M 10M 100M ! WARNING 1. To avoid short circuits and electric shock accidents when using a clamp-on sensor, use only with power lines carrying voltages within the rating limit of the sensor. 2. To avoid short circuits and electric shock...

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