*Electrical Safety Testers | Hipot, Insulation, Leakage Testers

	IMPULSE WINDING TESTER ST4030A • Surge tester that uses response waveform quantification to diagnose motor windings • New and improved model with higher output voltage		• Diagnose winding insulation quality while the rotor is assembled • Detect partial discharge with high accuracy • Understand insulation failure between motor windings • Output voltage up to 4200 V
	IMPULSE WINDING TESTER ST4030 • Surge tester that uses response waveform quantification to diagnose motor windings		• Diagnose winding insulation quality while the rotor is assembled • Detect partial discharge with high accuracy • Understand insulation failure between motor windings
	DISCHARGE DETECTION UPGRADE ST9000 • Option for the ST4030 Impulse Winding Tester • Detect pseudo-shorts with high accuracy		• Detect microscopic partial discharges obscured by noise • HIOKI original filter

	AC AUTOMATIC INSULATION/ WITHSTANDING HiTESTER 3174 • PWM method generates test voltage without power voltage dependency		• Insulation resistance test: up to 2000 MΩ • Withstanding voltage test: up to 5 kV AC
	HIGH VOLTAGE SCANNER 3930 • 5kV AC/DC High Voltage Scanner • Inspect multiple points with a minimum of connection changes		• Supports remote control • For automatic multipoint testing of insulation / withstand voltage • Use with the 3153’s program or with general-purpose logic sequencers
	AUTOMATIC INSULATION / WITHSTANDING HiTESTER 3153 • All-in-one tester that combines withstand voltage and insulation resistance (AC/DC) measurement		• Insulation resistance testing: up to 9999 MΩ • Withstanding voltage testing: up to 5 kV AC/DC • Full remote control
	INSULATION / WITHSTANDING HiTESTER 3159-02 • Insulation resistance and withstand voltage testing on production lines with a single device		• Insulation resistance testing: up to 2000 MΩ • Withstanding voltage testing: up to 5 kV AC • RS-232C • Manual voltage setting

• Pair with electrical safety testers to improve work efficiency and data management

• PC software for use with HIOKI electrical safety testers

• Inspect, record and save measurement data according to electrical safety standards controlling electrical safety measuring instruments

• Test insulation, withstand voltage (hipot), protective continuity, and leakage current

	LEAK CURRENT HiTESTER ST5541 • Leakage current tester for non-medical use equipment • Complies with Electrical Appliances and Materials Safety Act, JIS/IEC/UL standards		• Testing of general-use electrical devices • Built-in support for networks other than medical-use electrical devices • Supports equipment with up to 20A rated current
	LEAK CURRENT HiTESTER ST5540 • Leakage current tester for all types of equipment • Complies with IEC standards for medical-use electrical devices		• Test both medical- and general-use electrical devices • Built-in support for all networks • Supports equipment with up to 20A rated current

• Fastest insulation testers in industry
• Rapid test time is ideal for battery production lines

• Rapid 50ms testing speed

• 25 to 1000V test voltage

• Resistance up to 9990MΩ

• Designed for protection circuit testing of a wide range of electrical equipment, including industrial machinery and medical equipment

• Protective ground tester (low resistance)

• 0 to 1.8 Ω measurements

• Max. 31A testing current