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Omron NT NT31-ST123B-EV3

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NT31-ST123B-EV3

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The NT31-ST123B-EV3 from Omron is a pressure-sensitive touch panel integrated with a monochrome STN LCD screen. Designed for durability, it features a resolution of 320 x 240 pixels and can withstand a range of environmental conditions, making it suitable for various applications.

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Technical specifications for NT31-ST123B-EV3

ManufacturerOmron
Product LineNT
Part NumberNT31-ST123B-EV3
Weight0.81 lbs (0.37 kg)
Touch PanelPressure-sensitive, 192 switches (16 x 12), operating force: 1 N max, service life: 1,000,000 operations min
Shock Resistance147 m/s², 3 times each in X, Y, and Z directions
Vibration Resistance5 to 9 Hz, single amplitude: 3.5 mm; 9 to 150 Hz, 9.8 m/s²
Display TypeMonochrome STN LCD
Resolution320 x 240 dots
Display Area118.2 x 89.4 mm (5.7")
Display ColorsBlack/White (2 colors)
Service Life50,000 hours (until contrast is reduced by 50%)
Noise ImmunityConforms to IEC 61000-4-4 at 2 kV (power supply line)
Operating Humidity35% to 85% (with no condensation)
Power Supply Voltage24 VDC
Allowable Power Supply Voltage20.4 to 26.4 VDC (24 VDC -15%/+10%)
Power Consumption15 W max
Storage Temperature-20 to 60 °C
Operating Temperature0 to 50 °C
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Omron's NT31-ST123B-EV3 touch panel is engineered for accuracy and longevity. The display area measures 118.2 x 89.4 mm, providing ample space for user interaction. Its monochrome STN LCD features a resolution of 320 x 240 dots, enabling clear visibility of operations. The touch interface is composed of 192 switches configured in a 16 x 12 layout. Each switch operates at a maximum force of 1 N and is rated for a service life of 1,000,000 activations.

This model boasts robust physical durability, showcasing shock resistance up to 147 m/s² and vibration resistance across a frequency range of 5 to 9 Hz with a single amplitude of 3.5 mm, and from 9 to 150 Hz at 9.8 m/s². The operational environment is also a key consideration; the panel can manage operating humidity levels of 35% to 85% without condensation. It effectively operates under standard temperature conditions ranging from 0 to 50°C and can be stored in environments between -20 to 60°C.

The NT31-ST123B-EV3 maintains an expected service life of up to 50,000 hours before the contrast diminishes significantly. It operates on a power supply of 24 VDC, with an allowable voltage range between 20.4 to 26.4 VDC, consuming a maximum of 15 watts. This panel also features exceptional noise immunity, conforming to the IEC 61000-4-4 standard at 2 kV, enhancing its reliability in electrically noisy environments.