D-16 PortaSens III Gas Detector: Portable, Powerful, and Ready for Anything

When it comes to ozone detection and gas safety, having the right tools at your side can make all the difference. Whether you’re conducting routine safety checks, monitoring workplace ozone levels, or pinpointing potential leaks, the D-16 PortaSens III Gas Detector from ATI is a game-changer in portable gas detection.

Compact Versatility for Ozone and Beyond

The D-16 PortaSens III isn’t just a tool—it’s a trusted partner for safety professionals, technicians, and environmental monitors. Designed for portability without compromising performance, the D-16 is perfect for:

  • Ozone leak detection
  • Personnel safety monitoring
  • Spot-checks and inspections
  • Confined space entry
  • Long-term datalogging in fixed locations

With its lightweight, pistol-grip design and intuitive touchscreen display, the D-16 is user-friendly, even in demanding conditions.

Multi-Gas Detection Made Simple

One of the standout features of the PortaSens III is its interchangeable “Smart Sensors”. These swappable modules allow you to detect over 30 different gases with a single device. Just insert the sensor you need—no recalibration required. Switch from ozone to ammonia, or phosgene to chlorine, in under a minute.

Each sensor module is self-contained, storing its calibration data internally. That means you’re always ready to go, with no downtime and no manual configuration when changing gases.

Key Features of the D-16 PortaSens III

  • Four ozone sensor ranges available to suit different applications
  • Smart Sensor technology – hot-swappable sensors for 30+ gases
  • Internal sampling pump and flexible wand for leak pinpointing
  • Color touchscreen display with backlight for low-light operation
  • Audible and visual alarms with adjustable setpoints
  • USB interface and internal datalogger for easy data tracking
  • Rugged polycarbonate housing for durability in the field
  • Rechargeable NiMH D-cell batteries – 10 hours of continuous use

Designed for Real-World Use

Unlike some lab-only devices, the D-16 is built for the field. Its sampling wand and internal pump let you access hard-to-reach areas, while the onboard data logging (4 GB storage) lets you collect and export measurements directly to CSV files via USB. No proprietary software needed.

Data logging setup is done right on the device’s touchscreen. You can configure sample intervals and export logs effortlessly using a standard USB cable—no special adapters required.

Quick Sensor Swaps, Minimal Downtime

Changing sensors is as easy as removing two thumb screws. With the included sensor keeper, spare sensors remain powered and ready, reducing lag time between swaps. It’s perfect for professionals working in multi-gas environments who need flexibility without the hassle.

Everything You Need – Included

The D-16 comes packaged with:

  • D-16 PortaSens III Gas Detector
  • 10” Teflon-lined sampling wand
  • USB cable for data transfer
  • Two NiMH “D” cell batteries
  • 3 spare filters
  • Calibration “T” fitting
  • Sensor keeper for up to 4 spare sensors
  • Padded carrying case for easy transport

Optional accessories like battery chargers and additional sensors can be added to customize your kit.

Reliable, Accurate, and Customizable

Need custom detection ranges? No problem. Each sensor is available in standard ranges, but can be calibrated for your specific application. Don’t see your required gas on the list? Reach out—we’re happy to help you find the right sensor for your needs.

Why Choose the PortaSens III?

With over 15 years of proven performance, the PortaSens series is trusted worldwide. The latest D-16 model builds on that legacy with:

  • Enhanced pump control
  • Improved user interface
  • Modern USB connectivity
  • Higher memory capacity for data logging

It’s a modern solution backed by years of reliable service and robust engineering.


If you’re serious about gas safety and looking for a versatile, field-ready solution, the D-16 PortaSens III Gas Detector is ready to deliver. Whether you’re detecting ozone leaks or monitoring multiple gas types, this portable powerhouse puts performance in the palm of your hand.

Have questions or need help selecting the right sensor? Contact us today—we’re here to help.

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