What are the key features of the OFM-3700?

The OFM-3700 is a 37" (1920x540 ultra-wide stretched bar) high-brightness display with a 1000-nit sunlight-readable Hi-TNi panel, optical bonding with low-reflect cover glass, a 5000:1 contrast ratio, IP65/IK10 front, a wide -25~55°C range, EN50155/EN45545 rail certification, and a wide +24~110V DC input.

Is the OFM-3700 a monitor or a panel PC?

It is an open-frame industrial display (monitor) — it provides the stretched screen and is driven by an external source via HDMI; it has no onboard CPU.

What is a stretched bar display?

A stretched (bar) display has an ultra-wide aspect ratio — here 1920x540 — designed for passenger information, wayfinding, and signage where a long, short panel fits the mounting space.

Is the OFM-3700 sunlight readable?

Yes, it uses a 1000-nit high-brightness Hi-TNi panel with optical bonding and a low-reflect cover glass for readability in bright and direct-sunlight conditions.

What does the EN50155 / EN45545 certification mean?

EN50155 covers electronic equipment used on rolling stock and EN45545 covers railway fire-safety — the OFM-3700 is certified for in-vehicle rail/transportation deployment.

How rugged is the OFM-3700?

The front is IP65-rated against dust and water and carries an IK10 impact rating, with a wide -25~55°C operating range and -30~85°C storage.

What is the OFM-3700's resolution and display area?

1920 x 540 across a 904.32 x 254.34 mm active area — an ultra-wide stretched format.

What power input does the OFM-3700 use?

A wide +24V ~ +110V DC input suited to transportation power systems; maximum power consumption is approximately 85W.

What does optical bonding do for the OFM-3700?

Optical bonding laminates the cover glass to the panel, removing the air gap to cut glare and condensation and improve sunlight readability and impact resistance.

Where is the OFM-3700 typically used?

In transportation — buses, trains, and platforms — for passenger information displays and route/destination signage.

What applications is the OFM-3700 best suited for?

Rugged transportation passenger-information and wayfinding signage requiring a bright, wide stretched display with rail certification.

Avalue · Panel PC / Monitor / Mobile

OFM-3700

Data Sheet

*Price on request. Contact us for a quote.

Manufacturer: Avalue

Highlights

37" (1920x540 ultra-wide stretched bar) high-brightness display (CVD)
1000-nit sunlight-readable Hi-TNi panel
Optical bonding with low-reflect cover glass
5000:1 contrast ratio, 11 ms response
IP65 / IK10 rated front
Wide -25~55°C operating temperature
EN50155 / EN45545 rail certification
HDMI input, wide +24~110V DC input
Application: transportation passenger information

Product Description

The Avalue OFM-3700 is a 37" high-brightness stretched bar display (CVD) built for demanding transportation environments.

With a 1920x540 ultra-wide Hi-TNi panel, 1000-nit brightness, optical bonding with low-reflect cover glass, and a 5000:1 contrast ratio, it delivers a clear, robust image for in-vehicle and platform signage.

An IP65/IK10-rated front, a wide -25~55°C operating range, EN50155/EN45545 rail certification, and a wide +24~110V DC input make the OFM-3700 a rugged, integration-ready stretched display for transportation passenger information.

Technical Specifications

Certification Information

EN50155/EN45545

HDMI

1x HDMI

LCD Size

37"

Resolution

1920 x 540

Luminance

1000 cd/m2

Contrast ratio

5000

Frame Rate (Hz)

Active Display Area (mm)

904.32 x 254.34

Response time

11 ms

Operating Temp.

-25°C ~ 55°C

Storage Temp.

-30°C ~ 85°C

Power Consumption (W/max.)

Power Requirement

+24~+110V DC In

Dimension (W x L x H)

961 x 290.9 x 86.76 mm

Ordering Information

OFM-3700-X000G-1R | 37" Open frame transportation monitor/ 1920 x 540/ 1000nits/ HDMI/ DC-IN/ EN45545/EN50155 certify/+24 ~ 110V DC-in, VMS-RPPS, Intel® 13th Core 7/5/3/Celeron®Processor/4LAN/4COM/4USB/2DP/2HDMI, VMS-CFS, 8th/9th Gen Intel® Core™ i7/i5/i3/Pentium®/Celeron® Processors/2LAN/3COM/4USB/1DP/2HDMI

AIB-Q6490 | Qualcomm® Kryo™ 670, 8 cores, up to 2.7 GHz, 12 TOPS (INT8)/1LAN/1COM/6USB/1HDMI/DC IN

AIB-3588 | Rockchip RK3588/2LAN/4USB/1HDMI IN/2HDMI OUT/1Type C DP/DC IN

AIB-3566 | Rockchip RK3566/1LAN/2USB/1HDMI IN/1HDMI OUT/DC IN

What is OFM-3700?

The OFM-3700 is a panel pc / monitor / mobile manufactured by Avalue, designed specifically for industrial-display applications. The Avalue OFM-3700 is a 37" high-brightness stretched bar display (CVD) built for demanding transportation environments. With a 1920x540 ultra-wide Hi-TNi panel, 1000-nit brightness, optical bonding with low-reflect cover glass, and a 5000:1 contrast ratio, it delivers a clear, robust image for in-vehicle and platform signage. An IP65/IK10-rated front, a wide -25~55°C operating range, EN50155/EN45545 rail certification, and a wide +24~110V DC input make the OFM-3700 a rugged, integration-ready stretched display for transportation passenger information.

Key Features & Benefits

37" (1920x540 ultra-wide stretched bar) high-brightness display (CVD)
1000-nit sunlight-readable Hi-TNi panel
Optical bonding with low-reflect cover glass
5000:1 contrast ratio, 11 ms response
IP65 / IK10 rated front
Wide -25~55°C operating temperature
EN50155 / EN45545 rail certification
HDMI input, wide +24~110V DC input
Application: transportation passenger information

Applications & Use Cases

The OFM-3700 is ideal for various industrial automation applications:

Harsh industrial environments requiring dust and water protection
DC-powered industrial installations and mobile applications
Extreme temperature environments and outdoor installations
Outdoor and high-ambient-light environments
Visual monitoring and data display systems
Industrial control and monitoring systems
Outdoor and extreme condition operations
Factory automation and process control

Frequently Asked Questions

An Industrial Display is a rugged, durable monitor designed for use in harsh manufacturing, automation, and industrial environments. These displays feature robust construction, high brightness for visibility in varied lighting conditions, wide operating temperature ranges, and protection against dust and moisture (often IP65-rated). They typically offer multiple mounting options and advanced touchscreen capabilities for operator interface applications.

Industrial Displays offer better durability with reinforced housings, higher brightness (300-600 cd/m² vs 200-250 cd/m² for consumer displays), IP-rated protection against dust and water, wider operating temperature ranges, longer product lifecycles, specialized mounting options, increased shock/vibration resistance, and industrial-grade components designed for 24/7 operation in demanding environments.

Open frame displays (OFM series) feature a slim profile with mounting brackets around the edges for integration into custom enclosures, kiosks, or control panels. Fully enclosed displays (ARC series) come in complete housings with IP65 front panel protection ready for standalone use. Open frame models offer more installation flexibility and customization, while enclosed models provide immediate environmental protection without custom integration.

Industrial Displays typically offer multiple video inputs including HDMI, DisplayPort, and VGA to support various legacy and modern systems. They include USB connections for touchscreen functionality, audio inputs for built-in speakers, and occasionally serial ports for industrial control systems. These multiple input options ensure compatibility with both new and legacy industrial computing equipment.

Industrial Displays primarily use Projected Capacitive (PCAP) multi-touch technology, which offers excellent optical clarity, durability, and support for multi-touch gestures. Some applications may still use resistive technology, particularly when gloved operation is required. PCAP has become the standard for most modern industrial applications due to its responsiveness, longevity, and compatibility with modern operating systems.

IP65 protection is an international standard indicating that a device is completely protected against dust (first digit '6') and protected against low-pressure water jets from any direction (second digit '5'). For industrial displays, this rating is crucial as it ensures the front panel can withstand harsh factory environments with airborne particulates, occasional water spray during cleaning procedures, and humidity without damage to sensitive electronic components, extending the display's operational life.

Display brightness, measured in candelas per square meter (cd/m²) or nits, is critical in industrial environments because factories, control rooms, and field installations often have bright ambient lighting or direct sunlight that can wash out standard displays. Industrial displays typically offer 300-600 cd/m² brightness (compared to 200-250 cd/m² for consumer displays) ensuring visibility in well-lit environments, reducing operator eye strain, and maintaining readability at various viewing angles.

Industrial displays handle vibration and shock through reinforced chassis construction, component selection rated for industrial environments, secure mounting of internal components to prevent disconnection, specialized display bonding techniques, shock-absorbing design features, and rigorous testing to standards like MIL-STD-810G for shock (typically 20G) and IEC 60068-2-64 for vibration (typically 1.5Grms). These measures ensure reliable operation in environments with machinery vibration or occasional impacts.

Projected Capacitive (PCAP) touch technology uses a grid of micro-fine wires embedded in a glass layer to detect touches through electrical capacitance changes. It's preferred for industrial applications because it offers excellent durability with a scratch-resistant surface, superior optical clarity (typically 85-90% light transmission), multi-touch capability supporting gestures, operation with thin gloves, immunity to surface contaminants, and long operational lifespan without the calibration drift common in older touch technologies.

Wide operating temperature ranges (typically -10°C to 50°C or wider) benefit industrial display installations by enabling deployment in non-climate-controlled environments like factory floors, outdoor kiosks, cold storage facilities, loading docks, or hot production areas. This eliminates the need for costly environmental control systems, ensures consistent performance during seasonal temperature variations, prevents component failure in extreme conditions, and reduces system downtime in critical industrial applications.

ARC series displays support multiple mounting options including: panel mounting using the included mounting kits for integration into cabinets or walls; VESA mounting with both 75mm x 75mm and 100mm x 100mm patterns for attachment to standard arms, stands, or brackets; wall mounting for fixed installations; and optional stand mounting for desktop use. These versatile options ensure compatibility with virtually any industrial installation requirement while maintaining proper protection and stability.

When planning power for industrial displays, consider: the required voltage (typically 12V DC standard with optional 9-36V DC for industrial environments); power consumption needs including inrush current; appropriate cable gauge for longer runs to prevent voltage drop; clean power source free from spikes or surges that could damage the display; accessibility of power connections for maintenance; compliance with local electrical codes; possible need for backup power in critical applications; and appropriate cable management to prevent accidental disconnection.

For industrial display installations, cables should be managed by: using appropriate strain relief to prevent tension on connectors; implementing proper cable routing through conduit or cable trays to protect from physical damage; maintaining minimum bend radius specifications to prevent internal conductor damage; separating signal cables from power cables to reduce electromagnetic interference; securing cables at regular intervals to prevent vibration damage; using cable labels for easy identification during maintenance; and ensuring sufficient service loop for future adjustments while avoiding excess cable that could collect debris.

Key considerations for panel mounting cutouts include precise dimensional accuracy following the manufacturer's specifications (typically with only 1-2mm tolerance), appropriate material thickness of the mounting panel to support the display weight, sufficient clearance behind and around the panel for cables and ventilation, proper sealing to maintain environmental ratings, accessibility for maintenance, and the use of all mounting points with appropriate torque on fasteners to prevent display distortion that could affect touch calibration or introduce stress points.

To resolve touch calibration or responsiveness issues: verify the USB touch cable is properly connected; install correct and updated touch drivers for your operating system; run the calibration utility provided by the OS or manufacturer; check for sources of electrical interference near the display; ensure the display isn't exposed to direct bright light that can interfere with some touch technologies; verify no physical pressure is distorting the screen; and test different USB ports or cables to eliminate connection problems. For persistent issues, contact technical support.

If your display shows no image or incorrect colors: verify power supply is connected and within specification (typically 12V DC); check that video cables are securely connected at both display and source; confirm the video source is outputting a compatible resolution and refresh rate; cycle through input sources using the OSD menu to ensure the correct input is selected; check for physical damage to cables or connectors; adjust brightness and contrast settings; and try an alternative video source to determine if the issue is with the display or the source device.

To address condensation or moisture issues: never power on a display showing visible condensation; allow sufficient time for the display to reach room temperature before powering on if moved from a cold to warm environment; consider installing in a climate-controlled enclosure if repeatedly experiencing condensation; ensure proper sealing when panel mounting to maintain IP ratings; use appropriate cable glands or connectors that maintain environmental protection; implement a preventive maintenance schedule to check seals and gaskets; and in extreme environments, consider display models with wider temperature specifications or integrated heaters.

If OSD controls aren't working: check if the OSD is locked (many industrial displays have a key combination to lock/unlock the OSD); verify the control buttons aren't physically damaged or obstructed if mounted in a panel; ensure power is stable and within specifications as fluctuating power can affect microcontroller functionality; disconnect and reconnect power to reset the controller; check if the display is in a special mode that disables OSD functions; and as a last resort, perform a factory reset according to the user manual, noting this will revert all settings to defaults.

OFM-3700

Highlights

Product Description

Technical Specifications

Certification

Certification Information

External I/O

HDMI

Panel

LCD Size

Resolution

Luminance

Contrast ratio

Frame Rate (Hz)

Active Display Area (mm)

Response time

Mechanical & Environmental

Operating Temp.

Storage Temp.

Power Consumption (W/max.)

Power Requirement

Dimension (W x L x H)

Ordering Information

Ordering Information

What is OFM-3700?

Key Features & Benefits

Applications & Use Cases

Frequently Asked Questions