総研電気 List of Products and Services

We would like to introduce our "Partial Discharge Analysis Software." It captures data to the PC while communicating in real-time with the DAC-PD-9. It can measure the charge amount for each phase and can acquire up to 18,000 charge amounts per second at 50Hz. In wideband measurements, it automatically discriminates the polarity of the discharge waveform and displays the occurrence count for both positive and negative discharges. Two-dimensional and three-dimensional graphs can be created from the saved data, which can be utilized as partial discharge analysis data. 【Features】 ■ Can measure the charge amount for each phase ■ Can acquire up to 18,000 charge amounts per second at 50Hz ■ Two-dimensional and three-dimensional graphs can be created from saved data, usable as partial discharge analysis data ■ By selecting V-Q mode, it automatically captures the maximum partial discharge charge amount corresponding to the rise and fall of the test voltage, allowing for the measurement of voltage-charge characteristics *For more details, please refer to the PDF document or feel free to contact us.

• Software (middle, driver, security, etc.)
• Other embedded systems (software and hardware)

We would like to introduce our split-type current sensor, the 'I-125 Series'. This product features a split core design and a simple clamping method, allowing for measurement without cutting the cable's current. It supports a wide frequency range and has a wide opening width of 3.17 cm (1.25 inches), making it sturdy and easy to use. 【Features】 ■ Easy-to-handle clamping design ■ Wide opening width of 3.17 cm ■ Wide frequency characteristics > 1 GHz *For more details, please refer to the PDF document or feel free to contact us.

• Sensors

The "DAC-WT-50/DAC-WT-25" is a no-corona variable frequency power supply for partial discharge measurement. Since it uses a linear amplifier, waveform distortion does not affect the power supply waveform, allowing for accurate voltage application to the test specimen. Additionally, we offer a "safety box" equipped with a magnetic catch, insulating plate, and measurement H/L terminals. 【Specifications (excerpt)】 ■ Input Voltage: AC100V 50/60Hz ■ Maximum Output ・AC5000V/50mA (DAC-WT-50) ・AC2500V/100mA (DAC-WT-25) ■ Partial Discharge: Below 10pC (at maximum output voltage) ■ Setting Voltage: 5V steps ■ Output Frequency: 46Hz to 1kHz *For more details, please refer to the PDF document or feel free to contact us.

• Environmental Test Equipment
• Other measurement, recording and measuring instruments

The "DAC-VD-1" is a testing device that allows for visual inspection of wire defects such as scratches on stator coils for small motors and pinholes. It has been difficult to identify defective areas with only the commonly conducted dielectric strength tests and impulse tests, but by using this vacuum discharge testing device, it becomes easy to locate issues, especially scratches on wire materials during manufacturing. We can also suggest combinations with partial discharge measurement devices according to your application, allowing for broad use from product development to shipping tests. 【Components】 ■ Vacuum chamber (made of acrylic) and controller ■ Vacuum pump ■ AC dielectric strength tester *For more details, please refer to the PDF materials or feel free to contact us.

• Environmental Test Equipment
• Other measurement, recording and measuring instruments

The "DAC-PD-10" is a monitoring and diagnostic system specifically designed to measure partial discharge (PD) generated by three-phase rotating machines in an online state. To address the biggest issue of noise in online measurements, measures have been taken from both hardware and software perspectives to enable the separation and identification of PD. Each device is compact and lightweight, and by isolating the PD detection unit and the data processing unit with optical fibers, safety and noise resistance have been improved. 【Features】 ■ Improved safety and S/N ratio through optical isolation and battery operation ■ Center frequency and bandwidth of the measurement frequency range can be set arbitrarily ■ Separation of PD and noise by processing the measurement signal with software ■ Estimation of the cause and location of the separated PD through detailed analysis, allowing for accurate risk assessment ■ Display of discharge levels in trend graphs to predict the progression of insulation degradation based on changes *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-PD-9" is a digital partial discharge measurement device that broadly complies with IEC standards and features a wideband amplifier. It combines the functions of conventional low-frequency (narrowband) measurement devices, wideband measurement devices, and tuned measurement devices, while also enabling ultra-wideband measurements (up to 40 MHz). It allows for the selection of appropriate frequency ranges for various test samples, enabling quantitative and reproducible partial discharge measurements, and can sample all data in a time series for statistical measurements. 【Features】 ■ True polarity discrimination of partial discharge enabled by digital technology ■ Real-time display of all parameters, including cumulative occurrence frequency and pure peak ■ Simultaneous counting of discharge pulses from both positive and negative electrodes ■ Measurement at any center frequency and any frequency bandwidth ■ Large-capacity memory for long-term data storage *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-PD-7P" is a partial discharge measuring instrument with a built-in test power supply that complies with VDE standards. It can operate at a maximum test voltage of 5kV and the shortest test time (2 seconds), allowing for measurement control and pass/fail judgment via input and output contacts. It is suitable for testing IGBT gate drive optocouplers, pulse transformers, and more. 【Features】 ■ Partial discharge measuring instrument with a built-in test power supply compliant with VDE standards (EN60747-5-5:2007) ■ Particularly suitable for testing IGBT gate drive optocouplers, pulse transformers, etc. ■ Operates at a maximum test voltage of 5kV and the shortest test time (2 seconds) ■ Measurement control and pass/fail judgment possible via input and output contacts *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our partial discharge measuring instrument, the 'DAC-PD-7'. Partial discharge testing is a non-destructive test with a detection sensitivity that is significantly higher than that of dielectric strength tests and megger tests, allowing for quantitative measurement of manufacturing defects in components and defects in insulating materials. The measurement results are continuously plotted, and a NO/GO judgment is made simultaneously at the end of the test. 【Features】 ■ Detection sensitivity is significantly higher than that of dielectric strength tests and megger tests ■ Capable of quantitatively measuring manufacturing defects in components and defects in insulating materials ■ Conducts partial discharge tests in accordance with standards using dedicated PC software ■ Measurement results are continuously plotted, and a NO/GO judgment is made simultaneously at the end of the test ■ Measurement data can be saved in CSV format for history management *For more details, please refer to the PDF materials or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-PD-3" is a partial discharge measuring instrument that combines two frequency bandwidths: wideband (10kHz to 4MHz) and low frequency (10kHz to 200kHz). It allows for easy selection of bandwidth according to the type of sample and measurement sensitivity, making it suitable for partial discharge testing in various scenarios, from electrical equipment to electronic components and insulating materials. 【Features】 ■ Selectable frequency bandwidth ・ Low frequency: 10kHz to 200kHz ・ Wideband: 10kHz to 4MHz ■ Differential detection circuit method suppresses noise from power sources, detecting only partial discharge pulses ■ Automatically measures the maximum discharge charge (Qmax) at a specified occurrence frequency (PPS) ■ Phase gates can be set arbitrarily, enabling partial discharge-phase analysis ■ Noise suppression circuit can be controlled externally via GP-IB *For more details, please refer to the PDF documentation or feel free to contact us.

• Other measurement, recording and measuring instruments

- It calculates and displays the temperature conversion value and temperature rise value based on the measured resistance value. - By connecting to the DAC-SCB-2 (optional), multiple sample measurements can be performed. The thermal printer can automatically print the resistance value and temperature conversion value.

• Other measurement, recording and measuring instruments

The "DAC-ASC-5" is a C&tanδ meter that achieves a measurement time of less than 1 second by shortening the balance time. It can measure up to 200μF with just the main unit. By equipping a standard external control GP-IB interface, it can flexibly accommodate various inspection devices. The judgment values can be set via GP-IB, allowing for sorting by judgment parameters, making it suitable for automation in inspection lines. 【Features】 ■ Measurement range: 0.01μF to 200μF (3300μF) ■ Measurement time: within 1.0 seconds ■ Pass/fail judgment function, with GP-IB *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-ASM-5C" is a measuring instrument designed for conducting dielectric loss (tanδ) tests on power cables and high-voltage equipment on-site. It is a portable type, conveniently divided into a measuring section and a power supply section, with an internal test power supply capable of outputting from AC 200V to 1000V. Additionally, it features a power supply polarity switching function, making it useful even in environments affected by induced voltage. 【Features】 ■ Composed of a standard capacitor, high-precision current transformer, test power supply, and measuring section ■ Determines capacitance and dielectric loss (tanδ) using an automatic balancing method ■ Utilizes a high-precision current transformer in the detection section ■ Allows safe measurements by insulating the test voltage side from the measuring instrument ■ Adds an auto-ranging function to the automatic balancing method, enabling highly reproducible and precise measurements *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices

The "DAC-ASM-7" is a measuring instrument capable of conducting extensive dielectric loss (tanδ) tests. It can measure capacitance from 100pF to 10μF, tanδ from 0 to 100%, and test voltages from AC100V to 12kV for box type and up to AC100V to 30kV for tank type. Additionally, we offer the high-voltage automatic tanδ measuring instrument with integrated power supply "DAC-5035" and the high-voltage automatic tanδ measuring instrument "DAC-HAS-5." 【Features】 ■ Measurement range: 100pF/100V to 10μF/12kV (30kV) ■ High precision measurement at high voltage using a dual CT in the high-voltage current transformer ■ Minimum resolution: Capacitance 0.1pF, tanδ 0.001% ■ Capable of measuring grounded (GST) and ungrounded (UST) circuits ■ Equipped with GP-IB interface *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-CM-3" is a capacitance meter developed for the purpose of measuring the capacitance of power equipment, equipped with comprehensive protective measures against induced voltage and residual voltage. Unlike general-purpose capacitance meters that have a built-in low signal level measurement power supply, it incorporates a high voltage measurement power supply (AC100V) with sufficient power capacity. This minimizes errors caused by induced voltage. 【Features】 ■ Accurately measures the capacitance of power equipment ■ Does not get damaged even if induced voltage occurs in the sample (power cable) ■ Uses a CT in the input circuit to provide protection against residual voltage *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices

The "DAC-HAS-5" measures the capacitance and tanδ of high-voltage non-grounded equipment, allowing for the selection of two types of standard capacitors. It can measure capacitance and tanδ over a wide range, making it suitable for shipping tests of insulators, transformers, and bar coils. Additionally, due to its fast balance speed, it is an ideal measuring instrument for voltage characteristic tests. 【Features】 ■ Measures capacitance and tanδ of high-voltage non-grounded equipment ■ Allows selection of two types of standard capacitors ■ Capacitance and tanδ can be measured over a wide range ■ Usable for shipping tests of insulators, transformers, and bar coils ■ Fast balance speed makes it suitable for voltage characteristic tests *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-HFM-1" is a measuring instrument developed for testing the dielectric properties of insulating materials. It can measure a wide range of test voltages up to 250V and test frequencies from 1kHz to 50kHz, enabling characteristic tests at high voltage and high frequency, which were previously difficult. It is an ideal measuring instrument for assessing safety and reliability in the research and development of insulating materials. 【Features】 ■ Can measure capacitance and dielectric loss tangent (tanδ) ■ Can measure frequency characteristics at high voltage ■ Can measure voltage characteristics at high frequency ■ Automatic measurement of frequency characteristics via PC ■ Safe measurements can be conducted using a sample box *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-IM-D6" is a tanδ measuring instrument that can measure the dielectric loss tangent (tanδ) of electrical insulating materials with a resolution of 1 ppm (1x10^-6). It is capable of performing measurements according to IEC (60247, 60554-2) and JIS (C2101) standards using liquid electrodes and sheet electrodes tailored to samples such as liquids, films, paper, insulating tape, and insulating boards. In addition to tanδ, capacitance can also be measured, allowing for the determination of the sample's relative permittivity. 【Features】 ■ Minimum resolution for tanδ is 0.0001% (1 ppm) ■ Built-in test power supply output voltage AC200V to 2100V (50/60Hz) ■ Displays relative permittivity based on capacitance measurement results ■ Capacitance and tanδ are measured in auto range, with automatic voltage boosting ■ Standard USB interface *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-OBE-2" is an electrode used for testing liquid insulating materials such as electrical insulating oil based on JIS standards (C2101). The dimensions are 89.5φ×105 (mm) and the weight is approximately 1.3 kg. It can be used for dielectric loss tangent tests and volume resistivity tests. 【Features】 ■ An electrode for testing liquid insulating materials such as electrical insulating oil based on JIS standards (C2101) ■ Usable for dielectric loss tangent tests and volume resistivity tests *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-OBE-7" is a test electrode used to measure the dielectric constant and dielectric loss tangent of insulating materials such as insulating paper and film, based on JIS standards (C2111). The electrode can also be measured while impregnated with insulating oil. It is designed to withstand high temperatures of up to 120°C. 【Features】 ■ Test electrode for measuring the dielectric constant and dielectric loss tangent of insulating materials such as insulating paper and film, based on JIS standards (C2111) ■ The electrode can also be measured while impregnated with insulating oil ■ Designed to withstand high temperatures of up to 120°C *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-Cs-100A" is a tanδ standard device for calibrating the "DAC-IM-D6." The built-in standard is a gas-filled capacitor of 100pF. The maximum operating voltage is AC2000V. The dimensions are W160×H180×D260 (mm), and the weight is approximately 4kg. 【Specifications】 ■ Built-in standard: Gas-filled capacitor 100pF ■ Operating voltage: Max AC2000V ■ tanδ calibration values: ・50Hz: 0–8.0% ・60Hz: 0–9.6% ■ Dimensions and weight: W160×H180×D260 (mm), weight approximately 4kg *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DAC-OBH series" is a heater for liquid electrodes (DAC-OBE-2) that does not use thermal medium oil. Since the thermal conductivity is uniform, there is no temperature variation among the electrodes. The set temperature is also ±1°C, complying with JIS C2101. 【Features】 ■ No splashing or evaporation of thermal medium oil, resulting in no air pollution ■ Easy cleaning of electrodes after measurement ■ No localized heating, maintaining a constant temperature *For more details, please refer to the PDF materials or feel free to contact us.

• Heating device

The "DAC-LFM-3" is a Tandelta capacitance meter with a built-in ultra-low frequency power supply. It uses an ultra-low frequency power supply of 0.1Hz or 0.01Hz, allowing for accurate measurement of the tanδ and capacitance of materials with large capacitance, such as power cables. It enables quality improvement of OF cables and MI cables through precise moisture content management, pinpointing of failure locations in broken submarine optical fiber cables, and insulation diagnostics for power cables at commercial frequencies, all at a low cost. 【Features】 ■ Equipped with a 32-bit MPU and fully digital processing ■ Comfortable measurement environment with a TFT LCD screen and touch keyboard ■ Built-in ultra-low frequency power supply ■ Compact and lightweight ■ Standard USB interface *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-MD-1" is a new type of tanδ measuring instrument that differs from the conventional analog current comparison method. It simultaneously samples the applied voltage and the current flowing through the test sample, and calculates the capacitance and tanδ value from the obtained sine wave numerical data. It uses a variable frequency power supply, allowing measurements at 50, 60, and 100 Hz. 【Features】 ■ Compact and lightweight (5kg), excellent portability for tight spaces ■ High-resolution measurements possible using 18-bit A/D ■ Digital 90° phase control through precise control of sampling time ■ Built-in frequency synthesizer allows for asynchronous measurements with the power supply ■ Digitalization of analog computation circuits makes it unaffected by the electrical environment on-site *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-PSC-20W" is a device that automatically compares and measures the sample capacitor (Cx) and the standard capacitor (Cs) using a current comparison type automatic balance transformer bridge. By setting the nominal capacitance value of the capacitor to be measured and applying the test voltage, it displays the capacitance deviation value (ΔC[%]) and the loss angle (tanδ[%]). By selecting the standard capacitor, the test voltage can accommodate a wide measurement range from low voltage to high voltage, and the capacitance can range from small capacitance to large capacitance. 【Features】 ■ Precise measurement of sample capacitance and tanδ ■ Wide range ・ Capacitance: 1nF to 10μF (1000μF) ・ Measurement voltage: AC10V to 30kV ■ Minimum resolution of tanδ: 1×10^-5 (10ppm) *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-PSC-UA" is a current comparison type automatic balance transformer bridge with high precision, achieving a minimum resolution of tanδ of 0.0001%. The test voltage can range from low voltage to ultra-high voltage using standard capacitors, and it can accommodate a wide range of capacitance measurements from small to large capacities. It is suitable for precise measurements of capacitance and dielectric loss tangent (tanδ) of samples with low dielectric loss at high voltages, such as high voltage cables, insulators, and bushings, and is also ideal for research and development of dielectrics and insulators. 【Features】 ■ Precise measurement of sample capacitance and tanδ ■ Wide range ・ Capacitance: 50pF to 10μF (up to 1000μF when using expanded CT) ・ Measurement voltage: AC 10V to 600kV ■ Minimum resolution of tanδ: 1×10^-6 (1ppm) *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-Cs-102A" is a three-terminal capacitor insulated with SF6 gas. It can be used as a standard for capacitance and tanδ in dielectric loss tangent tests, among others. It can also be used for capacitor voltage dividers and coupling capacitors. 【Features】 ■ Three-terminal capacitor insulated with SF6 gas ■ Can be used as a standard for capacitance and tanδ in dielectric loss tangent tests ■ Usable for capacitor voltage dividers and coupling capacitors *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-Cs-103B" is a newly developed standard capacitor with a capacitance of 10,000 pF. It adopts a current feed-forward compensation method controlled electronically. This allows for the multiplication of a high-precision 1,000 pF air capacitor. It is a very stable standard capacitor with a tanδ of less than 0.002%. 【Features】 ■ Adopts an electronically controlled current feed-forward compensation method ■ Enables the multiplication of a 1,000 pF air capacitor ■ Very stable standard capacitor with a tanδ of less than 0.002% *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-STM-1" is a versatile AC insulation testing device for high-voltage equipment, equipped with a built-in high-voltage test power supply. With its compact body and low center of gravity structure, it offers excellent stability and is easy to move with two wheels. You can start testing immediately by simply connecting the measurement cable to the sample, providing strong support for on-site testing. 【Features】 ■ Measurement possible with short setup time ■ Does not receive ground leakage current interference due to high-voltage CT ■ Compatible with transformers with tertiary windings ■ Equipped with induction removal function and polarity switching function ■ Includes insulation oil measurement mode and inductance measurement mode *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-TCG-L1" is a tanδ measuring device with a built-in test power supply. It can measure capacitance over a wide range. It also has an analog output, allowing for the measurement of changes in tanδ over time. 【Features】 ■ Wide Range ・Capacitance: 200pF to 2μF ・tanδ: 0-100% ■ Test Voltage: AC125V/250V 50/60Hz ■ Analog Output: DC 0-1V (Capacitance, tanδ) *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "DAC-BHW-6" is a single-sheet AC magnetic property testing device that can test electromagnetic steel sheets in a sheet (sample piece) state, used for electrical equipment and similar applications. Based on the principle of the magnetic potential difference method, it performs gap correction in the magnetic circuit, allowing for measurements with high precision and excellent reproducibility. Additionally, a sinusoidal magnetic flux is maintained, and there is no distortion in the magnetic flux waveform under high magnetic fields. 【Features】 ■ Capable of testing electromagnetic steel sheets in a sheet (sample piece) state ■ Measurements can be made with high precision and excellent reproducibility ■ No distortion in the magnetic flux waveform under high magnetic fields ■ Measurements can be made at test frequencies of 50, 60, 100, 200, and 400 Hz *For more details, please download the PDF or feel free to contact us.

• Testing Equipment and Devices

The "DAC-OBH-4" is a heater for electrodes used with liquid electrodes (DAC-OBE-2) that does not use heat transfer oil. Since the thermal conductivity is uniform, there is no temperature variation among the electrodes, and the set temperature is within ±1 degree, complying with JIS (C2101) standards. Additionally, there is no scattering or evaporation of heat transfer oil, resulting in no air pollution, and cleaning the electrodes after measurement is easy. There are also models with one electrode, "DAC-OBH-1," and two electrodes, "DAC-OBH-2," so please choose according to your application. 【Features】 ■ For liquid electrodes (DAC-OBE-2) ■ Uniform thermal conductivity ■ Complies with JIS (C2101) standards *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment
• Machine elements

The "DAC-OBE-7" is an electrode for measuring insulating materials such as insulating paper and film, based on the JIS standard (C2111) for testing the dielectric constant and dielectric loss tangent. It is primarily used as an option for the "Electrical Insulating Materials C & tanδ Measuring Instrument" manufactured by Soken Electric. The electrode can also be used for measurements in a state where insulating oil is impregnated, and it is designed to withstand high temperatures of up to 120°C. 【Features】 ■ Made of stainless steel ■ High heat resistance ■ Can be measured in a state with impregnated insulating oil *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment
• Machine elements

"DAC-OBE-2" is a liquid electrode used for testing liquid insulating materials such as electrical insulating oil based on JIS standards (C2101). It is mainly used as an option for the "Electrical Insulating Material C & tanδ Measuring Device" manufactured by Soken Electric. It can be used for dielectric loss tangent tests and volume resistivity tests. 【Features】 ■ Applicable for tests based on JIS standards (C2101) ■ Used for dielectric loss tangent tests and volume resistivity tests ■ Option for the Electrical Insulating Material C & tanδ Measuring Device *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment
• Machine elements

The "DAC-IM-D6" is an electrical insulation material C&tanδ measuring instrument that can test the electrical characteristics of insulating materials. It complies with JIS (C2101) and IEC (60247, 60554-2) standards, and can also be utilized in the development of new materials and composite materials. Additionally, it allows testing up to 2000V, enabling the measurement of tanδ and capacitance at the actual voltage applied to the sample, thus allowing for the determination of actual characteristics. 【Features】 ■ Testing possible up to 2000V ■ Capacitance measurement available ■ Easy operation ■ Standard USB equipped ■ Data collection possible from external PC *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment
• Machine elements

The product catalog for the Electric Insulation Material C & tanδ Tester is from Soken Electric Co., Ltd., which primarily manufactures and sells electronic measuring instruments. This catalog features a variety of products made by Soken Electric, aiming to set the standard for measuring instruments worldwide, including the "Electric Insulation Material C & tanδ Tester," "tanδ Calibrator," and "Heater for Electrodes." [Contents] ■ Electric Insulation Material C & tanδ Tester ■ Liquid Electrodes ■ Electrodes for Insulation Material Measurement ■ Sheet Electrodes ■ tanδ Calibrator, etc. *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment
• Machine elements

This device is a testing apparatus that applies voltage to components such as stator coils for compressor motors in a vacuum state, allowing for the visual detection of wire defects and pinholes. By using a transparent acrylic vacuum chamber, it becomes easy to visually identify discharges from defective areas, enabling the rapid localization of defects that were previously difficult to pinpoint. Additionally, we can suggest combinations with measuring instruments according to the application, making this product suitable for a wide range of uses from product development to shipping tests. Composition: ● Vacuum chamber (made of acrylic) and controller ● Vacuum pump ● AC withstand voltage tester

• Testing Equipment and Devices
• Voltage Meter

This is a tanδ measuring instrument that can measure the dielectric loss tangent (tanδ) of electrical insulating materials with a resolution of 1 ppm (1×10^-6). It uses liquid electrodes and sheet electrodes tailored to samples such as liquids, films, paper, insulating tape, and insulating boards, allowing measurements in accordance with IEC (60247, 60554-2) and JIS (C2101) standards. The capacitance can be measured simultaneously with tanδ, enabling the determination of the sample's relative permittivity. ● Minimum resolution of tanδ is 0.0001% (1 ppm) ● Built-in test power supply output voltage AC 200V to 2200V (50/60Hz) ● Displays relative permittivity based on capacitance measurement results ● Capacitance and tan range are auto-ranging, with automatic voltage boosting available ● USB interface is standard equipment *For details, please inquire via document request or download.*

• Testing Equipment and Devices
• Image Processing Equipment
• Other measurement, recording and measuring instruments

This is a partial discharge measuring instrument that condenses all functions of partial discharge measurement and simplifies the measurement process. It pursues "certainty" in "uncertain" partial discharge measurements, achieving quantitative measurement. The DAC-PD-7 enables easy implementation of partial discharge testing by eliminating the complexities associated with partial discharge measurement and the uncertainties of measurement results as much as possible. ◆ Features ◆ - It has a built-in high-voltage power supply of 3000V, coupling capacitor, detector, and calibrator. - No complicated wiring is required. You can start measuring simply by connecting the lead wires to the sample. - Calibration is performed automatically. Calibration can be done while applying voltage. - It has an automatic gain adjustment function that responds to the specified occurrence frequency, eliminating the need for range switching. - It can measure the maximum discharge charge Q-max for one discharge per cycle. - Measurements can be performed while observing the discharge waveform. The applied voltage waveform can also be observed simultaneously. - It comes standard with a USB interface. Automatic measurements are possible with the included software. *For more details, please inquire via document request or download.*

• Testing Equipment and Devices
• Image Processing Equipment
• Other measurement, recording and measuring instruments

Composition ● Partial Discharge Measuring Device (DAC-PD-3) ● No-Corona Variable Frequency High Voltage Test Power Supply (DAC-WT-50) ● Shield Box (with Coupling Capacitor and Built-in Detector) ● Calibrator (DAC-CP-2) ● Control Computer (N-q Measurement Software) Specifications ◆ Measurement Items: Maximum Discharge Charge, Starting Voltage, Extinction Voltage ◆ Measurement Voltage: AC 0V to 5000V ◆ Test Frequency: 46Hz to 1kHz (Optional: 10kHz) ◆ Input Power Supply: AC 100V ◆ Dimensions: W570 × D630 × H1500 (mm) ◆ Weight: Approximately 100kg

• Electrical Instruments/Electrometers
• Other measurement, recording and measuring instruments

■ Features ● Capacitance 0.1nF to 10μF, measurement voltage AC100V to 12kV ● Built-in standard capacitor (CT&Cs BOX) ● Switchable between grounded (GST) and ungrounded (UST)

• Image Processing Equipment
• Other measurement, recording and measuring instruments