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The VC2 Voltage Clamp is designed to condition the output of voltage-based airflow meters, MAP sensors and mass air flow sensors. Under normal operating conditions, the VC2 outputs a signal that is identical to the signal present at its input. When the voltage of the flow signal reaches the internally set clamp level, the VC2 maintains a constant output voltage at the clamp level as the input voltage rises.
The VC2 differs from the VC1 by offering a hard clamp function that is user adjustable. The hard clamp allows the output to track the input right up to the clamp voltage. Once in clamp, the VC2 maintains the clamp level with high accuracy, regardless of overdrive.
The VC2 is especially useful for forced induction conversions where a supercharger or turbocharger is fitted to an engine that is normally naturally aspirated. Under boost, the engine can generate higher flow or pressure levels than normal. The clamping function of the VC2 maintains the input to the ECU within normal levels. Throughout its entire tracking and clamping range, the VC2 always produces a clean, undistorted signal that the ECU can reliably read.
The VC2 allows the conversion to forced induction on engines with modern fuel injection, including those with OBDII onboard diagnostics. The stock ECU programming may be used without activation of fault codes under boost.
Features:
- Avoids fault codes due to excess flow readings
- Compatible with OBDII systems
- Versions available for different voltage clamp levels
- Clean, undistorted output signal
- Internal transient voltage suppression for high reliability
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