Description
VIR Generator U8794 Sensor Simulation Unit for ECU Testing
The VIR Generator U8794 is a specialized signal generation unit developed to support advanced simulation testing in automotive, industrial, and electronic maintenance environments. Designed to work in combination with the Memory HiCorder MR8740 series, this generation unit enables engineers to perform accurate sensor simulation without relying on physical sensors.
The VIR Generator U8794 is particularly effective for ECU inspection and validation. By generating precise DC voltage, DC current, and resistance signals, it allows technicians to replicate real sensor behavior under controlled conditions. This makes it easier to verify ECU response, diagnose faults, and confirm correct operation during development, inspection, or maintenance work.
A key advantage of the VIR Generator U8794 is its resistance simulation capability. When simulating resistance, the unit measures the connected voltage, calculates the appropriate output current based on the set resistance value, and generates an accurate simulated output. This intelligent approach ensures stable and realistic resistance behavior, even when connected to varying circuit conditions.
The unit features eight output channels, each fully isolated from other channels and from the chassis. This isolation design allows multiple sensor signals to be generated simultaneously without interference or ground loop risks. Engineers can safely simulate complex sensor configurations while maintaining measurement integrity.
Accuracy is central to the VIR Generator U8794. It offers fine setting resolution across voltage, current, and resistance outputs, enabling precise control during sensitive testing procedures. Built-in self diagnostic functions, offset cancellation, and connection estimation features further enhance reliability and confidence during operation.
With its compact size and lightweight construction, the VIR Generator U8794 integrates easily into laboratory setups, service benches, and mobile test environments. Although output cords are not included, the standard 25-pin D-sub connector ensures straightforward integration with existing test systems.
For professionals who require repeatable, high-accuracy sensor simulation as part of ECU inspection and maintenance workflows, the VIR Generator U8794 provides a dependable and efficient solution when paired with the appropriate Memory HiCorder system.
Technical Specifications Table
| Specification | Details |
| Product Name | VIR Generator Unit U8794 |
| Compatible Instrument | Memory HiCorder MR8740 series |
| Output Channels | 8 isolated channels |
| Output Types | DC voltage, DC current, resistance simulation |
| DC Voltage Range | -0.1000 V to +5.3000 V |
| DC Current Ranges | 50 µA to 5 mA selectable ranges |
| Resistance Range | 10 Ω to 1 MΩ |
| Output Accuracy | Up to ±0.050 percent of setting |
| Max Rated Voltage to Earth | 25 V |
| Output Connector | 25-pin D-sub |
| Additional Functions | Self diagnostic, offset cancel, connection estimation |
| Dimensions | 106 mm × 19.8 mm × 196.5 mm |
| Weight | 280 g |
| Included Accessories | None |
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