Retroreflective Mode Models (based on retroreflector BRT-84)

Excess Gain

Beam Pattern

Excess Gain

Beam Pattern

1

10

100

0.01 m

0.4"

0.1 m

4.0"

1.0 m

40.0"

10.0 m

400.0"

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20 LP

Retroreflective Mode

5 m

16'

4 m

13'

3 m

10'

2 m

6.6'

1 m

3.3'

0

0

50 mm

100 mm

150 mm

50 mm

100 mm

150 mm

0

2"

4"

6"

2"

4"

6"

DISTANCE

Q20 LP

Retroreflective Mode

1

10

100

0.01 m

0.4"

0.1 m

4.0"

1.0 m

40.0"

10.0 m

400.0"

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20 LV

Retroreflective Mode

8 m

26'

6 m

20'

4 m

13'

2 m

6.6'

0

0

50 mm

100 mm

150 mm

200 mm

50 mm

100 mm

150 mm

200 mm

0

2"

4"

6"

8"

2"

4"

6"

8"

DISTANCE

Q20 LV

Retroreflective Mode

Diffuse Mode Models (based on 90% reflectance white test card)

Excess Gain

Beam Pattern

Excess Gain

Beam Pattern

1

10

100

1.0 mm

0.04"

10.0 mm

0.4"

100 mm

4.0"

1000 mm

40.0"

1000

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20

Short Range Diffuse

250 mm

10"

200 mm

8.0"

150 mm

6.0"

100 mm

4.0"

50 mm

2.0"

0

0

10 mm

20 mm

30 mm

10 mm

20 mm

30 mm

0

0.4"

0.8"

1.2"

0.4"

0.8"

1.2"

DISTANCE

Q20 Diffuse – short range

1

10

100

1.0 mm

0.04"

10.0 mm

0.4"

100 mm

4.0"

1000 mm

40.0"

10000 mm

400"

1000

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20

Long Range Diffuse

Infrared

Visible

1500 mm

59"

1200 mm

47"

900 mm

35"

600 mm

24"

300 mm

12"

0

0

20 mm

40 mm

60 mm

20 mm

40 mm

60 mm

0

0.8"

1.6"

2.4"

0.8"

1.6"

2.4"

DISTANCE

Q20 Diffuse – long range

Visible

Infrared

Q20DVS Models

Excess Gain

Beam Pattern

Distance (mm)

1

1

10

100

1000

10

100

Distance (mm)

0

50

100

150

200

250

-4

-3

-2

-1

0

1

2

3

4

Fixed-Field Excess Gain (based on 90% reflectance white test card)

1

10

100

1.0 mm

0.04"

10.0 mm

0.4"

100 mm

4.0"

1000 mm

40.0"

1000

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20 FF

50 mm

1

10

100

1.0 mm

0.04"

10.0 mm

0.4"

100 mm

4.0"

1000 mm

40.0"

1000

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20 FF

100 mm

1

10

100

1.0 mm

0.04"

10.0 mm

0.4"

100 mm

4.0"

1000 mm

40.0"

1000

E

X

C

E

S

S

G

A

I

N

DISTANCE

Q20 FF

150 mm

4

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P/N 127816 Rev. M