High-voltage tester AT 40

compatibilityvoltagepartial discharge

Product description
Test device for MW 40 and HW 40 partial discharge antennas for connection to an oscilloscope.

Key features

• Compatible with MW 40 and HW 40 partial discharge antennas
• 24 VDC supply
• Voltage measurement up to 5500 VAC / 6000 VDC via voltage divider
• Trigger output for oscilloscope synchronization
• Enables direct partial discharge measurement using a separate oscilloscope
• Carrier signal output to record time-critical events

Usage / functions

• Connects MW 40 and HW 40 antennas to an oscilloscope for PD analysis
• Measures and transmits high-voltage signals for partial discharge diagnostics
• Provides synchronous trigger and carrier signals for reliable event capture

Technical specifications

• Brand: SPSelectronic
• Model: AT 40
• Article number (SKU): AT 40
• Supply voltage: 24 VDC
• Voltage measurement range: up to 5500 VAC / 6000 VDC (via voltage divider)
• Compatibility: MW 40 and HW 40 partial discharge antennas
• Trigger output: yes (for oscilloscope)
• Function: direct partial discharge measurement via external oscilloscope; carrier signal for time-critical recording
• Net price (listed): 1484 EUR
• Release date: 2026-08-06