HT Instruments HT8 kaksinapainen jännitteenkoetin CAT III 690 V, CAT IV 600 V akustinen, palkkinäyttö, LCD, LED 1009600

Electricians and maintenance technicians working on industrial electrical systems can use the HT Instruments HT8 two-pole voltage tester to verify the presence of voltage, test continuity, and check phase rotation. It is suitable for measurements in low-voltage installations up to 690 V AC/DC.

Key specifications

• Voltage measurement range: 6 V to 690 V AC/DC
• Safety category: CAT III 690 V, CAT IV 600 V
• Display: LCD, LED bargraph, and LED voltage steps
• Acoustic indication for voltage and continuity
• Continuity test with acoustic and visual indication
• Phase rotation test (2-pole)
• RCD/FI trigger test via push button
• Polarity indication for DC voltage
• Integrated flashlight
• Removable test probe tip protection
• Automatic range selection
• Response time: less than 0.1 s
• Operating temperature: -10°C to +50°C
• Power supply: 2x 1.5 V AAA batteries

Why choose it

The HT8 combines multiple testing functions in one compact device, reducing the need to carry separate instruments. Its clear visual and acoustic indicators allow for quick and safe verification, while the integrated flashlight helps in poorly lit working areas.

Ideal use cases

• Verifying absence of voltage before starting work
• Testing continuity of circuits and components
• Checking phase rotation in three-phase systems
• Triggering RCDs to test their functionality

Good to know

The HT8 is designed for use by qualified electricians in accordance with EN 61243-3:2014. It operates on two AAA batteries and has an IP64 rating for protection against dust and water splashes.