Hioki CT6875A AC/DC Current Sensor
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- AC/DC Current sensor
- Frequency bandwidth: DC to 2 MHz
- 500 A AC/DC (amplitude)
- DC to 1 MHz (phase)
- 36 mm core diameter
- 500 A AC/DC
- ME15W terminal
- 3 m cable length
- Automoatic sensor detection
Discover the possibilities
More information
Description
Hioki CT6875A AC/DC Current Sensor
Hioki's pass-through type AC/DC current sensors can be connected directly to Hioki Power Analyzers and Memory HiCorders. Also, it can be connected to Power Meters, Oscilloscopes, DMMs, etc. by using an optional sensor unit.
The CT6875A has a frequency bandwidth of DC to 2 MHz (Model CT6875A-1 is DC to 1.5 MHz) and a rated current of 500 A. It is used for R&D, quality evaluation, manufacturing, and maintenance in markets such as wireless charging systems, inverter motors for industrial equipment, power conditioners for PV, and quick charging facilities for EVs.
Use with an instrument with a high input impedance of 1 MΩ or higher.
Key Features
- Combined accuracy with HIOKI power analyzer PW8001, PW6001 and PW3390 is specified. For details of combined accuracy, refer to the instruction manual.
- Strengthened shield improves noise resistance to accurately measure current buried in noise
- Flat frequency characteristics and CMRR performance to achieve high accuracy measurement
- More enhanced environmental resistance performance than ever before with operating temperature range of -40 to 85°C
- Good frequency characteristics over wide band of DC to 2 MHz (amplitude) and DC to 1 MHz (phase)
- Ideal for advanced fields such as photovoltaics and fuel cells to evaluate the charge / discharge of batteries and secondary side of inverters
- Connect with oscilloscopes or Hioki Memory HiCorders (using SENSOR UNIT) to monitor waveforms
Basic specifications
Accuracy guaranteed: 1 year
| Rated current | 500 A AC/DC | |||||
|---|---|---|---|---|---|---|
| Max. allowable input | Within the derating range, up to ±1500 Apeak (design value) allowed at 40°C or less for 20 ms or less | |||||
| Frequency bandwidth | Amplitude: DC to 2 MHz (CT6875A), DC to 1.5 MHz (CT6875A-1) Phase: DC to 1 MHz | |||||
| Basic accuracy | (DC, 45 Hz ≤ f ≤ 66 Hz) Amplitude: ±0.04 % rdg. ±0.008 % f.s., Phase: ±0.08° | |||||
| Output voltage rate | 4 mV / A rated (This device outputs AC+DC voltage via the Sensor Unit) | |||||
| Max. rated voltage to earth | 1000 V AC/DC (50/60 Hz, CAT III ) | |||||
| Core diameter | φ 36 mm (1.42 in) | |||||
| Operating temperature, humidity | -40°C to +85°C (-40°F to 185°F), 80% RH or less (with no condensation) | |||||
| Power supply | Power suppled via the Power Analyzer PW8001, PW6001, PW3390, Sensor Unit CT9555, CT9556, CT9557, or 3CH CURRENT UNIT U8977 | |||||
| Max. rated power | 7 VA max. (at 500 A/55 Hz) | |||||
| Dimensions and mass | 160 mm (6.30 in)W × 112 mm (4.41 in)H × 50 mm (1.97 in)D, CT6875A: 850 g (30 oz), cable length 3 m (9.84 ft), CT6875A-1: 1150 g (40.6 oz), cable length 10 m (32.81 ft) | |||||
| Included accessories | Instruction Manual ×1, Mark bands ×6, Operating Precautions ×1 | |||||
Compatible models
| Compatible models | CT6875A | |||||
|---|---|---|---|---|---|---|
| Power Analyzer PW8001, PW6001, PW3390 | Ok | |||||
| Power Analyzer 3390 | Attention (Requires CT9901) | |||||
| Power HiTester 3193 series | Attention (Requires CT9901) | |||||
| Current Unit 8971 | Attention (Requires the 9318, CT9901) | |||||
Unparalleled technology driving the evolution of current measurement
High-accuracy sensors uses the "zero flux method (flux gate detection type)." High-frequency currents are detected with the winding (CT method), and DC to low frequency currents are detected using a "flux gate."
Flux gate detection
Flux gate detection delivers outstanding linear properties, and can measure currents of a wide range of magnitudes with high accuracy.
The fluxgate components used for DC detection have very low offset over a wide temperature range due to their operating principle, resulting in high accuracy and excellent temperature stability. It is ideal for measurements that require high accuracy, such as Power analyzers and Power meters. It can be used for measurement such as inverter efficiency, inverter output power, reactor/transformer loss, and long-term DC measurements.
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Wide frequency band
The CT6872 has a frequency bandwidth of DC to 10 MHz, which is top-class for a 50 A rated pass-through sensor. In combination with the Power Analyzer PW8001, high frequency and low power factor power can be accurately measured.Automatic Phase Correction function
To accurately measure high frequency and low power factor, it is important to correct phase errors. The PW8001 automatically acquires and corrects the phase of the current sensor with 0.001°resolution, bringing out the best performance of the current sensor without any effort.
Automatic detection capability for even greater convenience
Automatic current sensor detection by Power Analyzer PW8001
The current sensor is equipped with a memory (I2C-EEPROM).
When the current sensor is connected to the Power Analyzer PW8001, the phase correction data, rated current, sensor's model name, and serial number are automatically recognized by the instrument.
In the past, phase correction values had to be entered manually.
However, thanks to the automatic detection system of current sensor information, forgetting settings and typing errors are eliminated, allowing for more accurate power calculations.
For more information: Hioki
Documents
Hioki CT6875A AC/DC Current Sensor
Hioki CT6875A DatasheetOptions
Hioki CT6875A AC/DC Current Sensor
| CT6875A | Cable length: 3 m (9.84 ft.) |
|---|---|
| CT6875A-1 | Cable length: 10 m (32.81 ft.) |
Video
Hioki CT6875A AC/DC Current Sensor
Hioki's pass-through type AC/DC current sensors can be connected directly to Hioki Power Analyzers and Memory HiCorders. Also, it can be connected to Power Meters, Oscilloscopes, DMMs, etc. by using an optional sensor unit.
The CT6875A has a frequency bandwidth of DC to 2 MHz (Model CT6875A-1 is DC to 1.5 MHz) and a rated current of 500 A. It is used for R&D, quality evaluation, manufacturing, and maintenance in markets such as wireless charging systems, inverter motors for industrial equipment, power conditioners for PV, and quick charging facilities for EVs.
Use with an instrument with a high input impedance of 1 MΩ or higher.
Key Features
- Combined accuracy with HIOKI power analyzer PW8001, PW6001 and PW3390 is specified. For details of combined accuracy, refer to the instruction manual.
- Strengthened shield improves noise resistance to accurately measure current buried in noise
- Flat frequency characteristics and CMRR performance to achieve high accuracy measurement
- More enhanced environmental resistance performance than ever before with operating temperature range of -40 to 85°C
- Good frequency characteristics over wide band of DC to 2 MHz (amplitude) and DC to 1 MHz (phase)
- Ideal for advanced fields such as photovoltaics and fuel cells to evaluate the charge / discharge of batteries and secondary side of inverters
- Connect with oscilloscopes or Hioki Memory HiCorders (using SENSOR UNIT) to monitor waveforms
Basic specifications
Accuracy guaranteed: 1 year
| Rated current | 500 A AC/DC | |||||
|---|---|---|---|---|---|---|
| Max. allowable input | Within the derating range, up to ±1500 Apeak (design value) allowed at 40°C or less for 20 ms or less | |||||
| Frequency bandwidth | Amplitude: DC to 2 MHz (CT6875A), DC to 1.5 MHz (CT6875A-1) Phase: DC to 1 MHz | |||||
| Basic accuracy | (DC, 45 Hz ≤ f ≤ 66 Hz) Amplitude: ±0.04 % rdg. ±0.008 % f.s., Phase: ±0.08° | |||||
| Output voltage rate | 4 mV / A rated (This device outputs AC+DC voltage via the Sensor Unit) | |||||
| Max. rated voltage to earth | 1000 V AC/DC (50/60 Hz, CAT III ) | |||||
| Core diameter | φ 36 mm (1.42 in) | |||||
| Operating temperature, humidity | -40°C to +85°C (-40°F to 185°F), 80% RH or less (with no condensation) | |||||
| Power supply | Power suppled via the Power Analyzer PW8001, PW6001, PW3390, Sensor Unit CT9555, CT9556, CT9557, or 3CH CURRENT UNIT U8977 | |||||
| Max. rated power | 7 VA max. (at 500 A/55 Hz) | |||||
| Dimensions and mass | 160 mm (6.30 in)W × 112 mm (4.41 in)H × 50 mm (1.97 in)D, CT6875A: 850 g (30 oz), cable length 3 m (9.84 ft), CT6875A-1: 1150 g (40.6 oz), cable length 10 m (32.81 ft) | |||||
| Included accessories | Instruction Manual ×1, Mark bands ×6, Operating Precautions ×1 | |||||
Compatible models
| Compatible models | CT6875A | |||||
|---|---|---|---|---|---|---|
| Power Analyzer PW8001, PW6001, PW3390 | Ok | |||||
| Power Analyzer 3390 | Attention (Requires CT9901) | |||||
| Power HiTester 3193 series | Attention (Requires CT9901) | |||||
| Current Unit 8971 | Attention (Requires the 9318, CT9901) | |||||
Unparalleled technology driving the evolution of current measurement
High-accuracy sensors uses the "zero flux method (flux gate detection type)." High-frequency currents are detected with the winding (CT method), and DC to low frequency currents are detected using a "flux gate."
Flux gate detection
Flux gate detection delivers outstanding linear properties, and can measure currents of a wide range of magnitudes with high accuracy.
The fluxgate components used for DC detection have very low offset over a wide temperature range due to their operating principle, resulting in high accuracy and excellent temperature stability. It is ideal for measurements that require high accuracy, such as Power analyzers and Power meters. It can be used for measurement such as inverter efficiency, inverter output power, reactor/transformer loss, and long-term DC measurements.
Wide frequency band
The CT6872 has a frequency bandwidth of DC to 10 MHz, which is top-class for a 50 A rated pass-through sensor. In combination with the Power Analyzer PW8001, high frequency and low power factor power can be accurately measured.Automatic Phase Correction function
To accurately measure high frequency and low power factor, it is important to correct phase errors. The PW8001 automatically acquires and corrects the phase of the current sensor with 0.001°resolution, bringing out the best performance of the current sensor without any effort.
Automatic detection capability for even greater convenience
Automatic current sensor detection by Power Analyzer PW8001
The current sensor is equipped with a memory (I2C-EEPROM).
When the current sensor is connected to the Power Analyzer PW8001, the phase correction data, rated current, sensor's model name, and serial number are automatically recognized by the instrument.
In the past, phase correction values had to be entered manually.
However, thanks to the automatic detection system of current sensor information, forgetting settings and typing errors are eliminated, allowing for more accurate power calculations.
For more information: Hioki
Hioki CT6875A AC/DC Current Sensor
Hioki CT6875A DatasheetHioki CT6875A AC/DC Current Sensor
| CT6875A | Cable length: 3 m (9.84 ft.) |
|---|---|
| CT6875A-1 | Cable length: 10 m (32.81 ft.) |