Elo Touch Solutions 1991L 19" Open-Frame Touchscreen Monitor
- 19"
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Hetai Tech
A 15 inch 4:3 resistive touchscreen monitor with 1024x768 resolution, 350 cd/m² brightness and VESA mounting for industrial use
The Hetai Tech portable monitor is a 15-inch open-frame display with a 4:3 aspect ratio and a native resolution of 1024x768. It uses a 5-wire resistive touchscreen suited for gloved or stylus input. The metal chassis supports VESA 75mm and 100mm mounting for fixed installations in kiosks or control panels. It operates on 12V 2.6A DC power with multiple plug options included.
Video connectivity is limited to VGA and DVI ports, so the panel cannot accept modern digital signals such as HDMI or DisplayPort without an active adapter. The LED backlight delivers 350 cd/m² brightness with a 450:1 contrast ratio and 16.2M colours. Horizontal frequency ranges from 30 to 80 kHz and vertical refresh from 60 to 75 Hz. Viewing angles are 80 degrees in all directions, and the operating temperature spans 10 to 65 °C.
Installation requires a custom enclosure or bracket because the unit ships as an open-frame module without a stand or bezel. The dual VESA patterns (75x75 mm and 100x100 mm) simplify mounting, but integrators must provide their own structural support and cable management. Resistive touch calibration may be needed after installation. Buyers who need a ready-to-use desktop monitor with HDMI input or an integrated stand should look elsewhere.
| Monitor Type | Touchscreen Monitor |
|---|---|
| Touchscreen Type | 5-wire Resistive |
| Screen Size | 15" |
The 15-inch panel gives a 1024x768 4:3 workspace at 350 cd/m², while the 12-inch variant reaches 1000 nits for bright environments.
Indoor lighting is handled well; outdoor or direct-sun use will appear dim compared with 1000-nit panels.
They carry analogue VGA or single-link DVI signals, capping resolution at 1024x768 and refresh at 75 Hz with no audio channel.
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