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U.S. DEPARTMENT OF TRANSPORTATION - SaferCar.gov

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Polarity Check Data Sheet For Z - Axis Accelerometers<br />

Dummy Type:_____________ Serial No._______________ Date:_____________<br />

Channel Output<br />

( g )<br />

Component<br />

Upright<br />

(U)<br />

Orientation<br />

Lean Down<br />

(D)<br />

Orientation of<br />

Most Positive<br />

Value<br />

(U or D)<br />

J211<br />

Orientation for<br />

Positive Polarity<br />

Negative<br />

Channels to<br />

be Reversed In<br />

Data<br />

Acquisition<br />

System<br />

Head C.G.<br />

D<br />

Head C.G.<br />

Redundant<br />

NAAH*<br />

D<br />

Head Left<br />

NAAH*<br />

D<br />

Head Front<br />

NAAH*<br />

D<br />

* NAAH - Indicates Nine Accelerometer Array Head<br />

8

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