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KWJ Engineering

Interlink Technology Platform

Gas Detection Solutions

Advanced gas detection instrumentation and electrochemical sensing programs for safety, environmental monitoring, and OEM development.

Core Focus

Gas Detection and Environmental Monitoring

Delivery Model

Custom Engineering + Product Integration

KWJ Engineering logo

Multi-decade gas detection R&D and instrumentation platform. Acquired by Interlink Electronics in 2022.

A333 Inline O2 & N2 Monitor

Inline Instruments

O2N2

A333 Inline O2 & N2 Monitor

The A333 is a life-safety inline monitoring and low-pressure alarm system for bottled gas cylinders including oxygen, nitrogen, halocarbon, and medical air. It continuously monitors supply line pressure and gas composition, providing alarm notification when levels deviate from safe parameters. Available in 9V battery and 115 VAC power configurations. Widely used in hospitals, clinics, nursing homes, veterinary facilities, and research laboratories where reliable gas supply monitoring is critical to patient safety.

  • Life-safety alarm for bottled gas cylinders
  • Monitors O2, N2, Halocarbon, medical air
  • Available in 9V or 115 VAC configurations
  • Hospital, clinic, and laboratory applications
  • Low-pressure alarm notification

Technical Specifications

Gas Types

O2, N2, Halocarbon, Air

Power

9V battery or 115 VAC

Applications

Hospitals, clinics, nursing homes, labs

Contact for Pricing

Request technical and commercial details

Interlink product programs are typically scoped and quoted based on application context, deployment requirements, and expected production profile. Submit this form and the team will follow up with pricing and fit guidance.

Include in your request:

  • Application environment and target gas profile
  • Expected operating range and integration constraints
  • Prototype timeline and estimated annual volume
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