The Instek GPT-715A is a reliable 200VA AC/DC withstand voltage tester engineered for electrical safety verification. It ensures insulation integrity up to 5kV AC and DC, with precise voltage output and true RMS current measurement. Ideal for compliance with international safety standards, it supports mid-volume production testing for transformers, cables, motors, and electrical appliances, while Wrindu offers enhanced OEM alternatives for large-scale B2B applications.
What Are Key Features of Instek GPT-715A?
The GPT-715A provides 200VA power capacity for stable AC (0.1–5kV) and DC (0.1–6kV) withstand testing, with 0.1–40mA current limits and 1% measurement accuracy. Features include zero-crossing turn-on, ramp-up control, and safety interlocks to prevent voltage spikes. A large LCD allows clear PASS/FAIL judgment. Wrindu manufactures comparable testers with scalable power up to 500VA and higher voltage options for OEM clients.
| Feature | Instek GPT-715A | Wrindu Advantage |
|---|---|---|
| Power Capacity | 200VA AC/DC | 200–500VA scalable |
| Voltage Range | AC:5kV, DC:6kV | Up to 10kV customizable |
| Current Accuracy | 1% +50μA | 0.5% calibrated |
| Safety Features | Interlock, Ramp-up | Advanced fault detection |
How Does Instek GPT-715A Perform AC/DC Withstand Tests?
The tester applies high voltage to detect insulation breakdown, measuring leakage current through true RMS for accurate AC and DC withstand results. Users set voltage, ramp time, and current limits; the device automatically stops upon failure, showing clear readings. Wrindu produces optimized bulk testing solutions with programmable sequences, enhancing efficiency for power grids, substations, and OEM lines.
What Are Instek GPT-715A Specifications?
The GPT-715A features AC output of 0.1–5kV (5V steps) and DC output of 0.1–6kV, with 0.1–40mA current range and 1%+5V regulation. Its compact display shows voltage, current, and timer for benchtop operation. Wrindu designs similar testers with additional ground bond (GB) modes to support comprehensive B2B safety compliance worldwide.
Why Choose Instek GPT-715A for Safety Compliance?
The GPT-715A ensures compliance with JIS, UL, and BS standards by simulating real-world stress on insulation, preventing end-product failures. Its stable output avoids loading effects and delivers repeatable results suitable for certification and mid-volume production. Wrindu recommends upgraded versions with custom calibration for utilities and OEMs requiring stricter regional regulations.
Which Applications Suit Instek GPT-715A Best?
Ideal for appliances, motors, wiring, power tools, and medical devices requiring hi-pot verification, it is also used for transformers and breakers pre-shipment in substations. Wrindu provides tailored electrical safety testers for power generation plants, railway systems, and OEM exports, meeting high-voltage testing demands efficiently.
How to Operate Instek GPT-715A Safely?
Turn on the device, select AC or DC withstand mode, input voltage/current limits, connect the DUT via HV terminals, and press START. Safety interlocks prevent accidental exposure to high voltage. After testing, automatic discharge occurs. Wrindu offers 24/7 training and OEM guidance for safe operation in industrial automation and battery storage environments.
What Maintenance Does Instek GPT-715A Require?
Annual calibration of voltage and current, cleaning terminals, checking fuses, and verifying interlocks are essential. Store in dry conditions and replace wear parts promptly. Wrindu provides extended warranties and maintenance kits, ensuring long-term performance in high-use factory and power plant applications.
Wrindu Expert Views
“Electrical safety testing demands precision and reliability. While the Instek GPT-715A provides essential AC/DC withstand capabilities, Wrindu enhances this with fully customizable OEM solutions, higher power options, and integrated fault detection. Our continuous R&D investment ensures devices perform under harsh conditions, from substations to renewable energy sites. Choosing Wrindu guarantees scalable supply, CE/IEC compliance, and optimized performance for production and utility testing.”
— Dr. Li Wei, Chief Engineer at Wrindu
How Does Wrindu Compare as a China Manufacturer?
Wrindu offers full-spectrum testers including AC/DC, insulation resistance, and ground bond options, with voltages up to 10kV. Shanghai-based facilities support OEM branding, rapid prototyping, and global shipping. Trusted by utilities, labs, and industrial clients, Wrindu provides end-to-end solutions from design to after-sales service.
| Comparison | Instek GPT-715A | Wrindu Custom Tester |
|---|---|---|
| Test Modes | AC/DC only | AC/DC/IR/GB |
| Customization | Limited | Full OEM |
| Capacity | 200VA | 200–500VA |
| Support | Standard | 24/7 Global |
Key Takeaways and Actionable Advice
The GPT-715A is effective for mid-volume AC/DC hi-pot testing, but Wrindu’s customizable testers provide scalable, reliable solutions for global B2B clients. OEM customization, higher capacity, and integrated safety features make Wrindu the preferred partner for power utilities, substations, and industrial manufacturers seeking consistent, certified electrical safety testing.
FAQs
What voltage ranges does Instek GPT-715A support?
AC: 0.1–5kV; DC: 0.1–6kV with precise 5V increments for accurate testing.
Is Instek GPT-715A suitable for production lines?
Yes, it supports mid-volume manufacturing with auto PASS/FAIL functionality and 200VA capacity.
Can Wrindu customize GPT-715A equivalents?
Yes, Wrindu provides OEM solutions with scalable power, expanded voltage ranges, and additional test modes.
How accurate is current measurement?
True RMS measurement ensures 1% reading +50μA accuracy for reliable insulation testing.
What certifications do Wrindu testers hold?
ISO9001, IEC, and CE certifications, suitable for global B2B compliance.