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SCI 266 – Ground Bond Tester (60A)
$2,599.00
Chroma 19572 – Ground Bond Tester
$2,191.00
SCI 264 – Ground Bond Tester (40A)
$1,104.00
Digital High-Voltage Surge Testers
Measure raw winding dielectric breakdown limits and secure immaculate motor insulation quality assurance using our commercial-grade surge-testing diagnostics. Built to survive punishing electric motor overhaul shops, generator calibration benches, and coil manufacturing lines, these heavy-duty electrical safety testing platforms provide precise high-voltage transient metrics. Discover your required peak pulse voltages, insulation resistance checking scales, and automated software interfaces to log pulse decay profiles, identify microscopic turn-to-turn shorts, and maintain strict industrial safety standards.
Surge Tester Waveform Comparison & Turn-to-Turn Fault Features
Allowing heavy industrial armature coils or commercial pump motors to pass repair lines with unchecked internal insulation micro-faults risks catastrophic field short-circuits and severe factory grid blowouts. To secure flawless, trace-legal safety certifications throughout continuous workshop testing workflows, verify your selected testing apparatus matches these five foundational hardware technologies:
- High-Voltage Transient Pulse Generators: Powerful internal capacitor networks generating precise adjustable testing electrical stress pulses scaling up to 12kV or 15kV safely.
- Automated Pulse-to-Pulse Waveform Comparisons: Advanced digital processing software built to overlay active wave lines instantly to isolate fraction-of-a-percent error differences.
- Zero-Loop Inductance Switching Networks: High-speed internal solid-state switches engineered to deliver clean, sharp pulse rise times without distorting insulation signal metrics.
- NIST-Traceable Measurement Accuracies: Precision calibrated internal measuring bridges providing fraction-of-a-volt digital readouts fully certified to national tracing standards laboratories.
- Fast Automated Safety Discharge Switches: High-speed active discharge paths that instantly drain residual capacitive voltage from tested coils upon cycle termination.
Frequently Asked Questions
Q: Why is a surge test necessary if a motor has already passed a standard Hipot test?
A: A Hipot test checks ground insulation (insulation between wires and the frame), while a surge test applies high-voltage pulses to catch weak turn-to-turn insulation inside the coil bundle.
Q: How does a digital surge tester identify an active turn-to-turn insulation fault?
A: It compares the output wave shape with a master reference wave; a turn-to-turn short changes the coil’s inductance, causing the active wave line to shift and frequency drift.