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Realtime &
Video Captioning,
Transcription,
Stenography,
Proofreading,
Products
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Single-Line LED Display Sign Message Centers
| Model | LED
Colors |
Characters / Lines |
LED Array
Pixel WxH |
Weight
Pounds |
Case Size
(L x H x D) |
Type |
|
BigDot |
Eight-colors |
|
80 x 7 |
12.25 |
49.0" x 6.25" x 2.5" |
Indoor |
|
WindowRed |
Red only |
|
80 x 7 |
12.25 |
49.0" x 6.25" x 4.25" |
Indoor |
|
WindowAmber |
Amber only |
|
80 x 7 |
12.25 |
49.0" x 6.25" x 4.25" |
Indoor |
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215C |
Tri-color |
|
90 x 7 |
6.25 |
28.9" x 4.50" x 2.1" |
Indoor |
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215R |
Tri-color |
|
90 x 7 |
6.25 |
28.9" x 4.50" x 2.1" |
Indoor |
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220C |
Tri-color |
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120 x 7 |
4.70 |
37.7" x 3.80" x 2.9" |
Indoor |
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320C |
Tri-color |
|
120 x 7 |
12.50 |
57.4" x 5.50" x 3.8" |
Indoor |
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330C |
Tri-color |
|
180 x 7 |
17.00 |
84.4" x 5.50" x 3.8" |
Indoor |
420C-N12
Nema 12 Specs |
Tri-color |
|
120 x 7 |
36.50 |
71.9" x 7.80" x 5.6" |
Indoor |
420R-N12
Nema 12 Specs |
Red only |
|
120 x 7 |
36.50 |
71.9" x 7.80" x 5.6" |
Indoor |
LED Sign /
Display Message Center Readability Chart |
Character Height |
7' |
8' |
9' |
10' |
12' |
14' |
24' |
Readable Distance |
350' |
400' |
450' |
500' |
600' |
700' |
1200' |
Drive By Speed |
Average Readable Time in Seconds |
25 MPH |
10 |
11 |
12 |
14 |
16 |
19 |
33 |
35 MPH |
7 |
8 |
9 |
10 |
12 |
14 |
23 |
45 MPH |
5 |
6 |
7 |
8 |
9 |
11 |
18 |
55 MPH |
4 |
5 |
6 |
6 |
7 |
9 |
15 |
65 MPH |
4 |
4 |
5 |
5 |
6 |
7 |
13 |
75 MPH |
3 |
4 |
4 |
5 |
5 |
6 |
11 |
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| Generally a minimum of 7 seconds of readable time is recommended for most applications |
| A readable time displayed in GREEN in the table above would be considered ideal |
| A readable time displayed in YELLOW in the table above would be considered a minimum |
| A readable time displayed in RED in the table above would not be recommended |
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