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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.

Wearable Instruments

Product Category

Wearable Instruments

Personal gas detectors small enough for a keychain or phone case, providing real-time exposure monitoring, dosimetry, and audible/visual alarms for worker safety and personal health.

4 products in this category

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Pocket CO 300

Wearable Instruments

Pocket CO 300

The world's smallest carbon monoxide detector, alarm, and dosimeter — monitors low CO levels, collects max/average dosimetry data, and fits on a keychain.

CO
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Pocket H2S 300

Wearable Instruments

Pocket H2S 300

The world's smallest and most affordable hydrogen sulfide detector — 0.0 to 50.0 ppm range with dual alarm levels and 8-hour TWA monitoring.

H2S
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Pocket Ozone

Wearable Instruments

Pocket Ozone

Compact, portable ozone detection for air quality monitoring — ideal for ozone treatment areas, HVAC systems, and personal safety monitoring.

O3
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SPARROW CO & Air Quality Monitor

Wearable Instruments

SPARROW CO & Air Quality Monitor

Smartphone-connected wearable CO and air quality monitor with SPEC Sensors electrochemical sensor, real-time graphing, location mapping, and customizable health alerts.

CO
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