Display Type
 (lines x characters)

2 x 20 backlit
LCD

2 x 20 backlit
LCD

2 x 20 backlit
LCD

4 x 20 backlit
LCD

4 x 20 backlit
LCD

2 x 20
VFD

2 x 20
VFD

 4 x 20
VFD

4 x 20
VFD

 Dimensions

6" x 4" x 1.77"

6" x 4" x 1.77"

6" x 4" x 1.77"

6" x 4" x 1.77"

6" x 5" x 1.77"

6" x 4" x 1.77"

6" x 4" x 1.77"

6" x 4" x 1.77"

6" x 5" x 1.77"

 Function Keys

12

6

24

16

24

6

24

16

24

 Programmable Keys

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

 Custom Legends

Yes

No

Yes

Yes

Yes

No

Yes

Yes

Yes

 Tactile Feedback

No

Yes

No

No

No

Yes

No

No

No

 Slide-in Legend

Yes

No

Yes

Yes

Yes

 No

 Yes

 Yes

Yes

 Operating Termperature

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

 14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

14 to 149ºF;
-10 to 65ºC

 Class I Division 2

No

Yes

Yes

Yes

Yes

 Yes

 Yes

 Yes

Yes

 Price

$185

$295

$295

$345

$345

 $395

 $395

 $495

$495