Core Focus
Gas Detection and Environmental Monitoring
Interlink Subsidiary
KWJ Engineering
Innovative solutions for gas detection, environmental monitoring, and application-specific engineering services.
Delivery Model
Custom Engineering + Product Integration
KWJ Engineering is part of the Interlink group ecosystem, with ties across gas-sensing organizations including SPEC Sensors and Ecosensors.
Engineering Services
From sensor design to mass manufacturing
KWJ Engineering provides end-to-end gas detection services from its Newark, California facility. Whether you need custom sensors manufactured to your specification, a complete product designed from concept, OEM modules integrated into your system, or access to cutting-edge R&D in printed and nanotechnology-based sensing — the KWJ team delivers.
Service
Sensor Manufacturing
KWJ Engineering designs and manufactures gas sensors in-house at its Newark, California facility. The sensor manufacturing operation covers electrochemical gas sensors for high-sensitivity toxic and combustible gas detection, MEMS gas sensors using microelectromechanical systems for ultra-compact and low-power applications, and solid-state sensors for durable long-lasting continuous monitoring. All sensors are manufactured in the USA with rigorous quality control and calibration traceable to NIST standards.
Capabilities
- Electrochemical gas sensors — high-sensitivity toxic and combustible gas detection
- MEMS gas sensors — ultra-compact, low-power, microelectromechanical systems
- Solid-state sensors — durable, long-lasting continuous industrial and environmental monitoring
- NIST-traceable calibration and quality control
- All manufacturing done in the USA
Service
Custom Solutions & Contract Development
KWJ Engineering provides custom gas detection product development from initial concept through mass manufacturing. The team works with clients to design custom products and solutions for unique gas sensing needs across both traditional and emerging applications. Services include product specification, circuit design, prototype development, testing and validation, and manufacturing scale-up support.
Capabilities
- Custom product specification and requirements definition
- Circuit design and optimization for sensitivity and stability
- Prototype development and iterative testing
- Characterization, compensation, and calibration
- Manufacturing scale-up and production support
- Both traditional and emerging gas detection applications
Service
Original Equipment Manufacturing (OEM)
KWJ Engineering provides OEM gas sensor modules designed for seamless integration into existing products and systems. The ULPSM (Ultra-Low Power Sensor Module) line exemplifies this capability, combining SPEC Sensors electrochemical elements with ultra-low-power signal conditioning in compact form factors. OEM modules can be customized for specific gas targets, power budgets, output interfaces, and mechanical constraints.
Capabilities
- ULPSM module line for ultra-low-power integration
- Customizable gas targets and detection ranges
- Flexible output interfaces (analog voltage, digital)
- Power budget optimization for battery applications
- Mechanical integration support
- Volume manufacturing and supply agreements
Service
Research & Development
KWJ Engineering's R&D program pushes the boundaries of gas detection technology. Current research areas include printed wearable sensors for air, oxygen, and toxic gas detection; MEMS-based wearable sensors for energy gases; micro-reactor technology for water purification and ozone generation; sensors for chlorinated hydrocarbons and explosives; and low-power and zero-power wireless multi-sensor systems for distributed environmental monitoring.
Capabilities
- Printed wearable sensors for air, O2, and toxic gas detection
- MEMS wearable sensors for energy gases
- Micro-reactor technology for H2O and O3 generation
- Sensors for chlorinated hydrocarbons and explosives
- Low-power and zero-power wireless multi-sensor systems
- NSF SBIR grant-funded research programs
Get Started
Ready to discuss your gas sensing project?
Whether you need a custom sensor design, OEM module integration, or a complete gas detection product built from concept to production — the KWJ Engineering team is ready to help. Reach out with your application requirements and timeline.