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MSA TRIGARD Monitoring System
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The MSA TRIGARD Monitoring System is designed for monitoring chlorine, sulfur dioxide and other toxic gases, as well as for oxygen deficiency or enrichment.

MSA TRIGARD Monitoring System

The MSA TRIGARD Monitoring System is designed for monitoring chlorine, sulfur dioxide and other toxic gases, as well as for oxygen deficiency or enrichment. These new monitors were designed specifically for water and wastewater facilities which are typically large producers of these gases. The MSA TRIGARD Monitor offers an affordable monitoring solution for a variety of needs.

View: Trigard Datasheet

  • Adjustable range
  • Internal, pre-wired sensors in 25, 50 and 100 foot lengths
  • AC-powered
  • On-board relays
  • NEMA 4X design
  • Highly visible LED indicators
  • Piezo horn with horn silence button
  • LCD display
  • Long-life, MSA-designed sensors
  • Simple push-button calibration
  • Available as single-point or 3-point unit

Advanced Features
  • Sensor Disconnect Under Power: MSA’s patented feature allows for sensor change-out without declassifying a hazardous area.
  • Interchangeable Smart Sensors: Pre-calibrated sensor modules are ready for installation out of the box. Sensors can be replaced in the field without the use of tools.The unit quickly recognizes the new sensor type and reconfigures alarm and relay settings to optimize the new sensor.
  • State-of-the-Art Display: Liquid crystal display conveniently alternates between sensor reading and gas type and features scrolling messaging, indicating ongoing diagnostic checks such as sensor “end-of-life” condition.
  • World-Class Design: Engineering efforts feature a single-board design for ultimate reliability and serviceability. The mounting enclosure has been designed to be separate from the electronics and sensor, allowing for problem-free installation and servicing.
  • Onboard LEDs and Relays: “Quickcheck” LEDs and four relay outputs allow for increased indication of alarm and fault conditions. “Quick-check” LEDs, viewable from up to 50 feet, indicate NORMAL (green) and ALERT (red) status conditions. Field-programmable alarm levels and normally energized/de-energized, normally opened/closed and latching/non-latching relay functions offer three levels of alarm and a fault.

  • 25-, 50- and 100-foot shielded cables on remote sensors
  • Sulfur dioxide sensor option

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About is operated by Accurate Instruments (NZ) Ltd.
Accurate is one of the few 100% New Zealand owned and operated safety instrumentation companies in New Zealand today. This is in a market dominated by larger foreign owned companies, yet we continue to operate as a strong independent supplier to the NZ market.

We specialize in the supply, service and support of safety equipment and safety systems to protect workers and their workplaces with some of the world’s top quality technical safety instruments available, yet our pricing is highly competitive and represents value for money.

We are instrument consultants, and endeavour to find the right solution for our client by careful analysis of the application and intended result. We pride ourselves on our professionalism, ethical industry responsibility, specialist advice and service, quality of product, and of course our people.



 0800 500 380

192 Marua Road
Mt Wellington
Auckland 1051

4 Avenger Crescent
Christchurch 8042