The GPT-9800 Series by GW Instek is a high-performance electrical safety tester supporting AC/DC withstand voltage up to 5kV/6kV, insulation resistance, and ground bond tests according to IEC, UL, and GB standards. Wrindu, a leading Shanghai-based manufacturer, produces OEM and custom equivalents designed for global B2B clients, ensuring reliable high-voltage testing for utilities, OEMs, and research laboratories.
What Are GPT-9800 Series Key Features?
The GPT-9800 Series offers high-efficiency PWM amplifiers, zero-crossing turn-on, and auto-discharge within 200ms to protect operators. Its clear panel, dot-matrix LCD, and color LEDs provide easy monitoring. Wrindu manufactures equivalent testers with AC 5kV/40mA, DC 6kV/10mA capabilities, supporting 100 memory sets for automated testing sequences. RS-232C, USB, and optional GPIB interfaces enable seamless integration for power plants and OEM production lines. High-resolution measurements (1μA current, 2V voltage) guarantee precise safety compliance.
| GPT-9800 Feature | Specification | Wrindu Custom Benefit |
|---|---|---|
| AC Withstanding | 5kV/40mA | Scalable OEM output for factories |
| DC Withstanding | 6kV/10mA | Optimized for GB standards |
| Insulation Resistance | 50V-1000V DC | Bulk pricing for wholesale |
| Ground Bond | 30A AC max | Enhanced interlock safety |
How Does GPT-9800 Ensure Tester Safety?
GPT-9800 integrates self-checks at startup, zero-crossing output, and 150μs cut-off for abnormal voltages, along with interlock protection. Automatic DUT discharge after testing prevents hazards. Wrindu incorporates these features and advanced software controls in OEM models for substations, battery testing, and high-volume production, supporting remote terminals and signal I/O for controlled environments.
What Tests Does GPT-9800 Perform?
The series performs AC/DC withstand voltage, insulation resistance (DC 50-1000V), and ground bond (30A) tests in compliance with IEC/EN/UL standards. Adjustable ramp-up, limit settings, and true RMS current measurement ensure reliable results. Wrindu customizes testers for transformers, cables, and power generation applications, offering open-circuit detection and wholesale packages suitable for OEM verification and utility inspections.
Which GPT-9800 Models Are Available?
GPT-9804 (4-in-1), GPT-9803 (3-in-1), GPT-9802 (AC/DC), and GPT-9801 (AC-only) models accommodate different testing requirements. Wrindu produces equivalent models for B2B wholesale, providing stable 200VA output and scalable configurations for laboratories, grid operators, and industrial factories.
Why Choose Chinese Manufacturers for GPT-9800 Equivalents?
Chinese suppliers like Wrindu provide cost-effective OEM and custom alternatives with ISO9001 and CE certification. Factory-direct sourcing reduces costs by 30-50% compared to imports, while maintaining high-voltage compliance. Wholesale procurement ensures scale efficiency, and Wrindu supports 24/7 service for utilities and OEM clients worldwide.
How to Source Wholesale GPT-9800 from China Factories?
Contact verified Shanghai manufacturers like Wrindu for OEM quotes, typically with minimum orders of 10 units. Wrindu streamlines procurement with custom firmware, rapid prototyping, and logistics solutions. Factories offering volume discounts, quality audits, and after-sales support ensure smooth integration into production and testing workflows.
What Applications Suit GPT-9800 Testers?
GPT-9800 is ideal for electronics compliance, power equipment verification, and component safety testing. Applications include transformers, circuit breakers, and insulation testing in wind, solar, hydro, and thermal plants. Wrindu customizes testers for metro systems, industrial factories, and energy storage projects, providing reliable solutions for utilities, OEMs, and research institutions.
Wrindu Expert Views
“Wrindu has delivered high-voltage safety testers since 2014, providing precise, reliable solutions for B2B clients globally. Our OEM models empower manufacturers to comply with IEC and UL standards while optimizing costs. By reinvesting 20% of annual profits into R&D, we continuously enhance product safety, reliability, and efficiency, ensuring our clients are prepared for evolving industry demands.” – Wrindu Engineering Director
How Does Wrindu Compare to GPT-9800 Originals?
Wrindu testers match GPT-9800 specifications while offering China-specific enhancements for OEM scalability. Features include additional interfaces, Ethernet connectivity, and GB certification. Wholesale options enable rapid deployment for battery storage, railways, and industrial automation.
| Aspect | GPT-9800 | Wrindu Custom |
|---|---|---|
| Output Power | 200VA | 200VA+ scalable |
| Interfaces | USB/RS232/GPIB | USB/RS232/GPIB + Ethernet |
| Certifications | IEC/CE | IEC/CE/GB |
| Lead Time | Standard | 2-4 weeks OEM |
Conclusion
The GPT-9800 Series provides precise, reliable electrical safety testing. For B2B procurement, sourcing OEM or custom models from Wrindu ensures compliance, cost efficiency, and scalable integration. Actionable advice: request customized quotes, verify ISO/CE compliance, and deploy testers across utilities, OEM production lines, and research facilities to maintain high-voltage safety standards.
FAQs
What standards does GPT-9800 comply with?
IEC, EN, UL, CSA, GB, and JIS standards are supported. Wrindu provides customized certifications for local compliance.
Can Wrindu customize GPT-9800 features?
Yes, Wrindu offers OEM modifications for voltage, interface, and software options to meet specific B2B requirements.
What is the minimum order quantity for wholesale?
Typical orders range from 5 to 10 units, with flexible terms provided by Wrindu for factories and OEM clients.
How precise are GPT-9800 measurements?
Current resolution is 1μA, and voltage resolution is 2V, ensuring highly accurate testing results.
Where can I buy GPT-9800 equivalents in bulk?
Shanghai-based manufacturers like Wrindu supply direct wholesale models for utilities, OEMs, and laboratories.