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Precision Gas Monitoring: WatchGas Solutions at Contractor Essentials

Contractor Essentials is a proud supplier of WatchGas, a brand that has quickly become a favorite for contractors who demand high-end performance, modern features, and exceptional value. WatchGas specializes in "safety through innovation," providing a comprehensive range of gas detection equipment designed to handle the most demanding environments—from wastewater treatment plants to high-stakes utility excavations.

Whether you need a simple, maintenance-free personal alarm or a high-tech multi-gas monitor with smartphone integration, our WatchGas selection is built for the modern workforce.


Personal & Portable Multi-Gas Detectors

The WatchGas portable range is engineered for durability and user-friendliness, ensuring your team can focus on the job while being protected by the latest in sensor technology.

  • UNI & UNI 2 Single-Gas Monitors: Available in a wide variety of sensor types (O2, CO, H2S, SO2, and more), these units are compact, lightweight, and feature large, easy-to-read displays.

  • POLI Multi-Gas Detectors: A versatile 4-gas or 5-gas monitor available in both diffusion and pumped models. The POLI is perfect for confined space entry, offering advanced features like a dedicated "Man Down" alarm and a rugged, shock-proof housing.

  • WatchGas PDM & PDM+: These "maintenance-free" personal monitors provide up to two years of continuous operation. They are the ideal, cost-effective solution for contractors who need reliable "set and forget" protection.

Innovative Connectivity & Fleet Management

WatchGas leads the way in integrating safety gear with digital workflows, making compliance and data logging easier than ever.

  • Bluetooth & App Integration: Many WatchGas models connect directly to mobile apps, allowing for real-time gas readings, GPS location tracking, and instant alarm notifications to be sent to site supervisors.

  • Mono & Multi Docking Stations: Automate your safety checks with WatchGas docking stations. These units perform rapid bump tests and calibrations, ensuring your equipment is field-ready while automatically storing compliance records.

  • PID Detection for VOCs: High-performance Photoionization Detectors (PID) for identifying Volatile Organic Compounds, essential for environmental testing and hazmat applications.

The Contractor’s Choice for Reliable Protection

At Contractor Essentials, we recommend WatchGas for its balance of cutting-edge technology and rugged field-readiness. With clear audible, visual, and vibrating alarms, WatchGas monitors ensure that no matter how loud or dark the site, your team will receive a life-saving alert the moment a hazard is detected.


Smart Safety for Every Site: From simple personal alarms to wirelessly connected fleets, WatchGas provides the monitoring solutions today's contractors need. Shop the WatchGas range at Contractor Essentials and invest in the future of workplace safety.

Industry leading expertise

With over 135 years of technical experience, you can speak with the foremost industry experts for all of the products we carry. Ask to speak with a Product Expert today.

Trusted Brands and Products

Purchase popular items from brands like VIAVI (formally JDSU), Radiodetection, Regatron, Trilithic, Honeywell, Kingfisher, plus an extensive range of Safety Equipment, Gas Detectors, Tools, Consumables and Test & Measurement Equipment.

Free Shipping

Free shipping for all orders over $750 + GST, excludes Bulky/Heavy Items and certain Delivery Areas.