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iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR
Designed for hazardous industrial environments, the iKey DU-5K-FSR-NI is a non-incendive rugged keyboard that supports safe operation in areas with flammable gases or vapours. The keyboard features a sealed, reinforced ABS polycarbonate case rated to NEMA 4X standards, ensuring resistance to dust, corrosion, and 100% humidity. Built for continuous use, it offers shock and vibration resistance confirmed by MIL-STD testing alongside reliable operation in temperatures ranging from -20°C to 60°C.
This unit integrates a Force Sensing Resistor (FSR) pointing device which avoids moving parts, enhancing durability and maintaining precise cursor control. Compatible with both USB and PS/2 interfaces, it supports a variety of Windows and Macintosh systems. The keyboard’s robust industrial silicone rubber keys with tactile mechanical snap provide a lifespan exceeding 10 million actuations. Certified for Class I, Division II hazardous locations, it includes Factory Mutual approval and meets UL60950 safety standards to assure secure deployment in classified settings.
DU-5K-FSR-NI Features
- Non-Incendive Class I, Division II
- 116-Key Functionality
- Integrated Force Sensing Resistor
- Polycarbonate Case With Mounting Holes (AMPS)
- USB, PS2 and AT/Serial Configurations Available
- Various Keyboard and Language Layout Options
- Customisation Available On Request
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Product Type
Manufacturer
Ruggedness
IP Rating
Mounting Format
Country Of Manufacture
United States
Backlight
No Backlight
Case Material
ABS Polycarbonate
Certifications
IP Rated, NEMA 4X UL60950, FCC Part 15 Class B - Factory Mutual approval for Class I, Division II locations
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
14.94" x 6.63" x 1.81" (w-h-d) 379.5mm x 168.4mm x 45.9mm
Housing Colour
Black
Humidity
100% Humidity Resistant
Cable
Single-Cable USB
Compatibility
All Windows and Macintosh Operating Systems
Flammability
PRINTED CIRCUIT BOARD: 94 VO SILICONE OVERLAY: 94HB INTERFACE CABLE: 94 VO
Function Keys
24 Keys
Key Feedback
Tactile with Mechanical Snap
Key Material
Industrial Silicone Rubber
Key Switch
MATERIAL: Industrial silicone rubber LIFE: 10 million cycles TRAVEL: 0.055 in. (1.4mm) ACTUATION FORCE: 6.35 oz. +/- 1.06 oz. (180g +/- 30g) FEEDBACK: Tactile with mechanical snap
Lifespan
>10 Million Actuations
No. Of Keys
116
Pointing Device
Force Sensing Resistor
Power
PS/2 or AT/Serial: KEYBOARD: 50mA@5V (from Keyboard port) HULAPOINT: 35mA@5V (from Mouse port) USB: 85mA@5V (from CPU port)
Product Weight
2.25 lbs +/- 0.10 lbs (1.02 kg +/- 0.05 kg)
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Switch Force
180g (+/- 30g)
Switch / Key Travel
0.055 in (1.4mm)
Vibration
POWER SPECTRAL DENSITY: 0.04g/Hz FREQUENCY RANGE: 20Hz - 2 kHz DURATION OF TEST PER AXIS: 3 hours
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Temperature Rating
STORAGE: -40C to +70C (-40F to +158F) OPERATING: -20C to +60C (-4F to +140F)
The iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR is designed and engineered for use in demanding environments where reliability, durability are essential. The DU-5K-FSR-NI supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Defence And Military, Energy and Utilities, Industrial Manufacturing, Marine And Offshore, Natural Resources and Mining, Offshore Operations, Oil and Gas.
Across these sectors, the DU-5K-FSR-NI is typically used in applications such as ATEX And Hazardous-Area Data Capture, Health, Safety, And Compliance Inspections, Industrial HMI And Machine Interfacing, Preventive And Corrective Maintenance, Process Control And Shop-Floor Monitoring, SCADA And Control-Room Access, Secure Access, Authentication, And Control Terminals.
These examples demonstrate the versatility of the DU-5K-FSR-NI across both industry sectors and real-world operational use cases. Its suitability extends well beyond the scenarios listed above, making it a flexible solution for a broad range of requirements.
For further information, or to assess whether the DU-5K-FSR-NI is appropriate for your specific application, please contact us.
The iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR comes with a 3 Years Manufacturers Limited Warranty + Option To Extend against defects in workmanship and materials, effective from the date of shipment (unless otherwise agreed in writing).
To receive service under this warranty, the eligible product, iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR, must be presented to RUGGED in the United Kingdom.
For more information about the iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR or to arrange repairs and services not covered by the warranty, please visit the warranty section on our website.
Do you need further details about the iKey DU-5K-FSR-NI Non-Incendive (NI) Rugged Keyboard With FSR, or would you like to discuss a customised solution or demonstration?
At RUGGED, we recognise that every project has its own unique demands. If you have any questions about the iKey DU-5K-FSR-NI or need a custom Rugged Keyboard solution designed specifically for you, our team of technical experts are ready to assist you.
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DT-102-SS-XXX-AT2
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- Over 10 million key actuations

PM-1000-IS
- Intrinsic safety certified for Class I II III hazardous environments
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SLP-81
- NEMA 4X sealed construction
- Red backlit for low-light visibility
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DU-5K-FSR-IS
- Intrinsically safe certification for hazardous zones
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- Force Sensing Resistor pointing device
- Shock and vibration tested for field use

Having trouble finding what you're looking for?
Selecting the correct solution for your specific application and operating environment requires careful consideration.
At Rugged, our engineering and product specialists can advise on specifications, environmental suitability, mounting requirements, connectivity, and lifecycle planning to ensure the right fit for your deployment.
With extensive industry experience and a focus on reliability and performance, we help you select a solution aligned with your operational requirements.
Frequently Asked Questions
RUGGED offers free technical support for the lifetime of products you purchase. This includes help with setup, troubleshooting, and integration. Support is available online or directly from the technical team
Rugged Limited’s rugged keyboards are engineered with long lifecycle availability as a core consideration, making them a reliable choice for industrial and challenging settings. This focus on longevity means that the keyboards are built to withstand continuous use and harsh conditions, reducing the need for frequent replacements.
The design principles behind these rugged keyboards prioritise durability and sustained performance. By utilising robust materials and manufacturing processes, Rugged Limited ensures that their keyboards offer extended operational lifespans, providing consistent functionality over many years of service. This commitment to long-term availability is a significant advantage for businesses seeking dependable input solutions.
Rugged Limited specialises in providing industrial-grade input devices built to withstand challenging conditions, including very cold and very hot temperatures. These devices are engineered with robust materials and design principles to ensure consistent performance where standard keyboards would fail.
A key feature of a rugged keyboard is its ability to function across a broad temperature range. This resilience makes them ideal for use in industrial settings, outdoor applications, or any environment where temperature fluctuations are common. Rugged Limited ensures that each rugged keyboard meets stringent durability standards, providing dependable operation no matter the thermal extremes.
Rugged keyboards are engineered for environments where standard keyboards would quickly fail. Unlike typical office keyboards, a rugged keyboard offers enhanced durability and protection against elements such as dust, dirt, liquids, and extreme temperatures. They feature robust construction, often incorporating sealed casings and industrial-grade components to ensure reliable performance in demanding conditions.
Key differences include:
- Durability: Rugged keyboards are designed to endure significant impact, vibration, and continuous use in challenging settings.
- Environmental Protection: They typically boast high Ingress Protection (IP) ratings, indicating resistance to water and dust—essential for industrial, marine, or outdoor applications.
- Material and Build: Constructed from rugged materials like stainless steel or silicone, they offer longevity that standard plastic keyboards cannot match.
- Functionality: Many rugged keyboards include features such as integrated pointing devices (e.g., trackballs or touchpads), backlighting for low-light conditions, and specialised key layouts for specific industrial tasks.
Rugged Limited provides a range of rugged keyboard solutions tailored for various harsh environments, ensuring sustained operation where standard peripherals would falter.
Absolutely, rugged keyboards are engineered to be highly compatible and functional with kiosks and Human Machine Interfaces (HMIs). These environments often require input devices that can withstand continuous use, potential spills, dust, and even vandalism. Rugged Limited provides a range of rugged keyboard solutions that are purpose-built to meet these stringent demands.
Our rugged keyboards feature durable construction, often including stainless steel or silicone, and are designed to offer protection against liquids and particulates. This makes them an ideal choice for public-access kiosks, industrial control panels, and other HMI applications where standard keyboards would quickly fail. The robust design ensures consistent performance and a long operational lifespan, reducing maintenance needs and improving user experience in challenging settings.
Rugged keyboards are an excellent choice for vehicle integration due to their robust construction and ability to withstand challenging conditions. These keyboards are engineered to operate reliably in environments subject to constant vibration, extreme temperatures, and exposure to dust and liquids, which are common occurrences in vehicles.
For instance, one such rugged keyboard solution features a compact design, making it suitable for dashboards or other space-constrained areas within a vehicle. It includes a fully sealed IP67 trackball for precise cursor control and is equipped with an integrated red backlight, ensuring readability in low-light conditions often experienced in vehicle cabins. Additionally, its 2.5m USB cable provides flexible connectivity options for various vehicle setups.
The durability of a rugged keyboard ensures consistent performance, whether it’s used in emergency services, logistics, or field operations, where reliability is paramount.
Choosing a rugged keyboard over a consumer keyboard is essential in environments where standard equipment simply won’t withstand the conditions. Rugged keyboards are specifically engineered to endure extreme temperatures, dust, dirt, liquids, and vibrations, which are common challenges in industrial, medical, and military settings.
Unlike consumer keyboards, which are designed for typical office use, a rugged keyboard features robust construction, often incorporating sealed components and durable materials like stainless steel or silicone. This enhanced build quality prevents ingress of contaminants and protects internal electronics, ensuring reliable performance and a significantly longer lifespan.
Furthermore, Rugged Limited’s range of rugged keyboards are built for reliability in the harshest conditions, minimising downtime and maintenance costs often associated with frequent replacement of less durable alternatives.
Rugged keyboards are designed for durability and consistent operation in demanding conditions, and their connection types reflect this need for reliability. The primary connection type used for Rugged Limited’s range of rugged keyboards is USB.
USB connections offer several advantages for industrial and harsh environments, including broad compatibility, ease of use, and a secure physical connection that can withstand vibrations and impact. This ensures that the rugged keyboard maintains a stable link to the host system, critical for uninterrupted data entry and control in sectors such as manufacturing, logistics, and marine applications.
Rugged keyboards are indeed typically more expensive than standard consumer-grade keyboards. This price difference stems from several key factors related to their construction and intended use. Unlike standard keyboards, a rugged keyboard is engineered to withstand harsh environments and demanding conditions, meaning they are built with higher-grade materials and often feature specialised sealing against dust, liquids, and extreme temperatures.
For instance, many rugged keyboards incorporate features like silicone membranes, stainless steel casings, or industrial-grade plastics to ensure longevity and consistent performance where a regular keyboard would quickly fail. The design and manufacturing processes for these durable peripherals are more intricate, involving rigorous testing to meet stringent industrial and military standards. This commitment to resilience and reliability contributes significantly to the overall cost, making a rugged keyboard a worthwhile investment for operational continuity in challenging settings.








