3500/94M 120M8155-01 Bently Nevada 10" Display

3500/94M 120M8155-01 Overview

The 3500/94M 120M8155-01 from Bently Nevada is a rugged 10-inch industrial display engineered for demanding environments. It combines a bright LCD with LED backlight and a resistive touch screen, making it suitable for control room and field applications. With a wide operating temperature range and hazardous area approvals, this display is built to perform where standard monitors fail.

Key Features and Technical Specifications

• Screen Size: 10” diagonal LCD with LED backlight.
• Power: 24 Vdc power supply included; permissible voltage range 10 Vdc to 28 Vdc.
• Inrush Current: 3.5 A @ 24 V (less than 500 µs).
• Operating Current: Less than 500 mA.
• Operating Temperature: -20°C to 65°C (-4°F to 149°F).
• Humidity: 10% to 85% RH non-condensing.
• Touch Interface: GFG resistive touch screen.
• Dimensions (W x H x D): 387.4 mm x 248.9 mm x 49.0 mm (15.25 in x 9.8 in x 1.93 in).
• Weight: 4.0 kg (8.78 lb) shipping.
• Certifications: CE, UL, CUL, ATEX/IECEx, Class I, Div 2.

Hazardous Area Approvals

The 3500/94M 120M8155-01 is certified for use in hazardous locations, including Class I, Division 2, Groups A, B, C, D T4 (USA and Canada) and ATEX/IECEx Zone 2. These approvals make it a reliable choice for oil and gas, chemical, and other process industries where flammable gases or vapors may be present.

Installation and Mounting Flexibility

This display supports multiple mounting styles, including face mount, 19” rack mount, panel mount, and independent mount. The panel cutout is 342.9 mm x 228.6 mm (13.5 in x 9.0 in). The included 24 Vdc power supply simplifies installation, and the wide voltage range accommodates varying plant power conditions.

Reliability and Maintenance

Designed for IP54 ingress protection, the 3500/94M 120M8155-01 resists dust and water spray, reducing the risk of downtime. For long-term reliability, inspect the display periodically for dust accumulation on the screen and ensure the enclosure seals remain intact. Avoid exposing the unit to temperatures below -20°C without a heated enclosure.

Comparison with Similar Displays

Compared to standard industrial monitors, the 3500/94M 120M8155-01 offers a wider operating temperature range and hazardous area certifications. Many competing displays lack the ATEX/IECEx approval, limiting their use in explosive atmospheres. Additionally, the low operating current (<500 mA) makes it energy-efficient, reducing heat generation and extending component life.

Availability and Support

The 3500/94M 120M8155-01 is available from AutoDCSTech. Contact us for current stock and lead times. Our team can assist with technical questions and ordering.