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Charging Gun Wiring Harness Testing System SAIMR8000
High Voltage Wire Harness Tester
The High Voltage Wire Harness Tester is a professional-grade testing instrument designed to ensure the safety, reliability, and performance of complex electrical wiring systems under high-voltage conditions. It is primarily used in industries such as automotive manufacturing, new energy vehicles (EV), aerospace, and industrial automation, where precision, insulation integrity, and compliance with strict standards are essential.
The latest model, SAIMR8000, developed by Suzhou Saimr , represents a new generation of intelligent high-voltage cable and wire harness testing solutions. Established in 2011, Suzhou Saimr is a high-tech enterprise that integrates R&D, manufacturing, and marketing of testing instruments. The company’s products are widely used across 3C consumer electronics, new energy vehicles, energy storage batteries, aerospace, and defense. With continuous innovation and cooperation with universities, Saimr drives the advancement of testing technology and quality control worldwide.
Comprehensive One-Stop Testing:
Performs multiple test items in a single process, including on-resistance, DC/AC withstand voltage, insulation resistance, airtightness, NTC, and switch tests.
Wide Voltage Capability:
Standard configuration supports DC5000V / AC4000V, with optional upgrades to DC6000V / AC5000V, allowing flexible adaptation to different product specifications.
High Precision & Stability:
Uses a four-wire measurement method for ultra-accurate resistance testing (precision up to 10μΩ) and insulation measurement up to 10GΩ, with an optional upgrade to 400GΩ.
Scalable Testing Points:
Modular design supports 32 to 2048 testing points, ideal for large and complex wiring systems such as EV battery harnesses or industrial automation cables.
Intelligent Self-Learning Function:
Automatically generates test tables and allows users to import/export test data, improving setup efficiency and repeatability.
MES Integration and Data Management:
Seamlessly integrates with MES (Manufacturing Execution Systems) for smart factory environments. Automatically saves test results in multiple formats (CSV, XLSX, PDF, WORD) for traceability and quality audits.
User-Friendly Operation:
Features a simple, intuitive interface with three-level user authority management, ensuring both ease of use and data security.
Customizable System Design:
Supports tailor-made configurations, including desktop and cabinet versions, and can be equipped with standard resistances, industrial computers, and label printers.
Capabilities: Supports DC5000V / AC4000V (optional DC6000V / AC5000V) high-voltage testing, multi-channel detection (32–2048 points), four-wire measurement with resistance accuracy up to 10μΩ.
Application Benefits:
Tests battery harnesses, charging ports, and control module wiring for insulation integrity
Prevents short circuits, open circuits, and wiring errors
Quickly generates test tables and automatically records results, enabling high-efficiency production line testing
Capabilities: Performs on-resistance, DC/AC withstand voltage, insulation resistance, switches, NTC, and airtightness tests in a single process; supports custom test points and import/export of test files.
Application Benefits:
Ensures safety and reliability of powertrain, dashboard, and in-vehicle electronics harnesses
Accurate resistance measurements enhance circuit performance and energy efficiency
MES system integration allows automated production and traceability
Capabilities: Supports multi-voltage and multi-signal testing (e.g., CAN, LIN, high-voltage lines), programmable test scripts, and automated report generation in CSV, XLSX, PDF, WORD formats.
Application Benefits:
Verifies insulation and continuity of industrial machinery, PLCs, and robotic cabling
Prevents equipment failures caused by miswiring or insulation issues
High-throughput testing improves production efficiency and reduces human error
Capabilities: High-voltage withstand up to DC6000V / AC5000V, expandable to 2048 test points, with built-in user authority management and multi-level safety controls.
Application Benefits:
Ensures safety and reliability of spacecraft and military harnesses
Automatically records test data for strict certification and traceability
Supports complex wiring layouts and high-standard safety testing
Capabilities: Supports custom test points, rapid test table generation, and barcode/scan-based batch testing.
Application Benefits:
Tests high-density internal wiring in laptops, tablets, and smart home devices
Improves product reliability and reduces after-sales issues
Exportable test data facilitates quality tracking and analysis
Capabilities: DC/AC leakage current testing with high precision (DC: 0.1–6mA, AC: 0.01–12mA), multi-channel and high-voltage testing, automatic test file generation and management.
Application Benefits:
Ensures safe operation of battery harnesses and inverter cabling
Verifies insulation and continuity for high-voltage and multi-signal wiring
Supports MES integration for intelligent and efficient production management
DC5000V AC4000V (optional: DC6000V AC5000V)
One-stop test of multiple test items
Test items: (on-resistance, DC withstand voltage, AC withstand voltage, insulation solenoid valve, NTC, switch, airtightness)
Precision four-wire test, resistance accuracy 10μΩ
Insulation standard 10G0, optional 400GD
The number of points (32PIN/board) can be expanded more
Self-learning to quickly generate test tables
Points can be customized and imported and exported
Support scanning test, customized printing labels
Customizable plug-in MES docking
Test files are automatically saved (support multiple formats)
CSV XLSXPDF and WORD Format
User authority management, three-level management settings
System settings are simple, easy to understand and easy to operate
| High Voltage test | SAIMR8000 | |
| Test Mode | Four- wire | |
| Number of Points | 32/64/128/256…2048 points (support expand if need) | |
| Test Project | Test Range | Test Accuracy |
| OS Test (Max 40V/DC) (0.1mA-2A） | 0-10 kΩ | ±1% |
| 10k~10MΩ | ±2% | |
| Insulation Resistance Test | 500KΩ-10GΩ(10V-1000V) Optional 10V-3000V Optional 400GΩ (±20%) | 500kΩ~100MΩ: ±2% |
| 100MΩ~ 4GΩ: ±5% | ||
| 4GΩ~ 10GΩ: ±10% | ||
| DC Resistance Test | Full scale | <100mΩ: ±1%(1μΩ) |
| 100mΩ-1kΩ: ±1% | ||
| Four-wire NTC Test (10k, 100k) | Temperature Judgment (accuracy 0.1°C) | Users can self-defined RT table for resistance and temperature judgment |
| Resistance Judgment (accuracy 10k: 1% 100k: 5%) | The resistance value can be judged according to the real -time temperature of the environment | |
| Comparison Judgment (accuracy 0.1°C) | Maximum resistance difference between tested and standard parts (Range) | |
| AC Hi-pot Test | 10V-4000V (Optional 5kV,10kV) | Step value: 10V |
| DC Hi-pot Test | 10V-6000V (Optional 6KV,10KV) | Step value: 10V |
| AC Leakage Current Test | 0.01mA-12mA | Step value: 0.01mA |
| DC Leakage Current Test | 0.1mA-6mA | Step value: 0.1mA |
| Diodes / Zener Diodes | 0-40V | 0.1 mA / 1 mA (test signal) |
| Dimensions (in mm) | Desktop 1500*800*900 (Support tailor-made) | Cabinet type 1200*570*630 (Support tailor-made) |
| Maximum Weight (in kg） | 50 | 60 |
| Standard Configuration | User’s manual in U disk, power cord, network cable, port adapter board, test line, patrol pen. | |
| Optional Configuration | Insulation standard resistance, conduction standard resistance, industrial computer, desktop computer, monitor, mouse, keyboard, speaker. | |
The SAIMR8000 High Voltage Wire Harness Tester is a state-of-the-art instrument designed for comprehensive testing of complex wiring systems. Its main testing strengths include:
Multi-Item One-Stop Testing:
On-resistance, DC/AC withstand voltage, insulation resistance, switches, NTC, solenoid valves, and airtightness
Supports both DC5000V / AC4000V standard and optional DC6000V / AC5000V for higher voltage requirements
High-Precision Measurements:
Four-wire resistance testing with accuracy up to 10μΩ
Insulation resistance measurement from 500kΩ to 10GΩ, optional up to 400GΩ
Multi-Channel Capability:
Supports 32 to 2048 points, expandable to meet large or complex harness requirements
Self-learning function quickly generates test tables for faster setup
Advanced Features for Automation:
Customizable MES integration enables intelligent production line control
Scanning and label printing support for batch management
Automatic data saving in CSV, XLSX, PDF, WORD formats
User authority management for secure and controlled operations
Additional Functional Tests:
DC/AC leakage current, diodes and zener diodes, temperature-dependent NTC measurement
Step-wise AC/DC hipot tests for high-voltage insulation verification
Established in 2011, Suzhou Saimr is a high-tech enterprise specializing in advanced testing instruments, including the SAIMR8000 High Voltage Wire Harness Tester.
Proven Experience: Over 10 years serving automotive, EV, aerospace, energy storage, and 3C electronics industries.
Certified Quality: Products meet ISO 9001, ISO 26262, IPC/WHMA-A-620, CE, and UL standards.
Innovation & R&D: Independent development ensures fast customization and cutting-edge solutions.
Global Support: OEM customization, MES integration, remote diagnostics, and dedicated technical support.
Reliable Performance: Trusted by Tier 1 suppliers and industrial OEMs for high-precision, high-voltage wire harness testing.
