Matrix Orbital LK404-25 - Manual (Page 35)

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7.7 Optical Characteristics
Table 34: Display Optics
Module Size 190.00 x 54.00 x 27.0 mm
Viewing Area 148.0 x 42.9 mm
Active Area 140.45 x 30.30 mm
Character Size 2.78 x 4.89 mm
Character Pitch 3.53 x 6.09 mm
Pixel Size 0.50 x 0.55 mm
Pixel Pitch 0.57 x 0.62 mm
Viewing Direction 12 O’clock
Viewing Angle -30 to +30 °
Backlight Half-Life 100,000 Hours
8 Ordering
8.1 Part Numbering Scheme
Table 35: Part Numbering Scheme
LK -404 -25 -VPT -E
1 2 3 4 5 6 7
8.2 Options
Table 36: Display Options
# Designator Options
1 Product Type LK: Liquid Crystal Display with Keypad Input
2 Display Size -404: 40 columns by 4 rows
3 Keypad Size 25: 25 key maximum
4 Colour * NP: Standard (YG for LCD/ no filter for VFD)
5 Voltage
* NP: Standard Voltage
-V: Wide Voltage
-VPT: Wide Voltage with Efficient Switching Power Supply
6 Protocol * NP: Standard Model
7 Temperature
* NP: Standard
-E: Extended Temperature
*Note: NP means No Populate; skip this designator in the part number and move to the next option.