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Spilba Sensor O2

Brand Spilba
Model Sensor O2
Output Type Differential mode (signal ground and power supply ground are separate)
Sensor Type Bosch LSU 4.2 or 4.9
Fuse 5A

Wideband controller with display. Can be connected to 12V battery or a 12V/5A power supply.

Typical installation is a fixed installation in the exhaust pipe, a few centimeters after the manifold junction. In dynamometers, it can be used with an adapter at the exhaust pipe outlet as explained here.

IMPORTANT

Read the manufacturer's instructions and follow the recommendations for position, mounting, and fuse.

Connection to Accudyno

Connection to Accudyno

Pin# Function GO/PRO Gyra/Forza
Pin 5 Power Supply Positive (+) Battery(+)
Pin 6 Power Supply Positive (-) Battery(-)
Pin 10 Analog Output (+) Accudyno IN+ (AFR Pin 3) AIN1
Pin 11 Analog Output (-) Accudyno IN- (AFR Pin 2) and Battery(-) GND

Connection to Accudyno

Calibration

Voltage Lambda AFR (Gasoline)
0 V 0.65 9.56
5 V 2.5 36.75