2000 Sep 05

8

Philips Semiconductors

Product specification

Integrated rotational speed sensor

KMI16/1

handbook, halfpage

gear wheel

sensor

d

d

MRA963

Fig.11 Sensor positioning.

handbook, halfpage

module m (mm)

1

0.5

1.5

0

0

12

3

4

5

d

MRA966

d0

Fig.12 Normalized maximum sensing distance as

a function of gear wheel module; typical

values.

do = measuring distance for a gear wheel with module m = 2 mm.

handbook, halfpage

1

2

4

3

01

2

3

4

0

d

(mm)

MRA965

d

ft

tooth

frequency

f (kHz)

Fig.13 Sensing distance as a function of tooth

frequency; typical values.

VCC = 12 V; module = 2 mm.