Crystal Rugged

Crystal Group Inc., an employee-owned and -operated small business founded in 1987, designs and manufactures rugged, high-performance computer hardware, embedded computers, networking devices, displays, power supplies, and data storage devices for high-reliability, mission- and safety-critical applications in harsh environments. In addition to field-tested, combat-proven systems, the company provides in-house customization, engineering, integration, configuration management, product life cycle planning, warranty, and support services to defense, aerospace, government, industrial, commercial, and autonomous vehicle customers.

Industry leaders and innovators have selected Crystal Group rugged computer and electronics hardware for use on more than 600 military programs, across more than 35 countries, as well as a growing number of cutting-edge autonomous vehicle, power and critical infrastructure, industrial, and commercial projects.

Crystal Group products meet or exceed IEEE, IEC, and military standards (MIL-STD-810, 167-1, 461, MIL-S-901) and FIPS 140-2 and NIAP certified options; are backed by warranty (5+ year) with in-house support. All products are manufactured in the company’s NIST compliant Hiawatha, Iowa, USA, facilities and are certified to ISO 9001:2015/AS9100 quality management standards.

Crystal Group continues to innovate and invent useful solutions to pressing challenges, and holds 25 patents on novel systems and methods, assigned between 2001 and 2017.

Crystal Group, together with its capable staff and state-of-the-art facilities, prides itself on helping to support customer goals, meet program and product requirements, and improve the lives and missions of end users – by delivering robust, rugged, and reliable products, backed by industry-leading warranty and support, and high-quality services on-time and on-budget.

Contact Details

Crystal Group, Inc.

855 Metzger Drive

Hiawatha, IA 52233

Phone (Toll-free): 1-800-378-1636

Phone (International): +1 319-978-1636

Fax: 319-393-2338

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Crystal Rugged - Wireless Access Point

Crystal Rugged - Wireless Access Point

  • Small form factor
  • IP-67 and industrial temperature rated
  • Improve throughput with ChannelFly, which dynamically finds less congested Wi-Fi channels to use
  • Extended coverage with patented BeamFlex+™ adaptive antenna technology utilizing multi-directional antenna patterns
  • Deploy Wi-Fi in previously unreachable environments


  • Precision multifunction process calibrator designed specifically for the process industry
  • Delivers precise measurement and calibration source performance with accuracies of 0.01%.
  • Stores up to eight calibration results in memory for later analysis
  • Offers HART mode that inserts a 250 ohm resistor in mA measure and source for compatibility with HART instrumentation

  • Ergonomic handle that adapts to user’s hand, causes less strain and work fatigue and provides maximum torque.
  • Full length, impact proof handle core is coated with soft-grip outer material, hanging hole for extra security, and anti-roll handle design.
  • Slim insulated shaft allows access in hard to reach areas.
  • Two sizes (#1 and #2), sold individually, also in kits

Hart Scientific manufactures these Micro-Baths for calibration of thermometers and sensors that do not fit in block calibrators.

  • Generates pressures to 20,000 psi (1400 bar)
  • Operational with a wide range of fluids
  • Built-in hand pump for system priming and large volume applications
  • High quality screw press for fine pressure control
  • Acrylic reservoir for visibility of fluid level and quality
  • Portable

Copper qualification tester troubleshoots and qualifies Ethernet network cabling speed (10/100/1000/VoIP)
  • Works on live networks to provide Ethernet switch detection and device configuration
  • Measure network capacity (10 Meg, 100 Meg, 1 Gig) to determine support for VoIP, data and video
  • Advanced troubleshooting diagnostics; insertion loss, cross talk, noise issues
  • Core troubleshooting features; length, distance to fault, graphical wire mapping, opens, shorts, power over Ethernet (POE) detection
  • Tests all copper cabling media: twisted-pair, coax, and audio
  • Locate and trace cables with digital toning technology. Requires IntelliTone 200 Digital Probe (included with CIQ-KIT)
  • Qualifies and troubleshoots Industrial Ethernet cabling