MCG 1097 — WirelessHART Relief Alarm

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Overview

MCG 1097

For terminal operators, EH&S teams, maintenance technicians, and automation engineers who need reliable visibility into pressure, vacuum, or overflow vent activity without installing new wiring, the MCG 1097 WirelessHART Relief Alarm delivers real-time, wireless monitoring directly from the vent point. It sends immediate alerts when a pressure-relief, vacuum-relief, or overflow event occurs, and continuously reports device and battery status to keep operators fully informed.

Unlike traditional wired solutions that require conduit, trenching, or expensive engineering work, the MCG 1097 installs in minutes and communicates via WirelessHART through the MCG 7030 Touch Panel Alarm Monitor and MCG 5200 Gateway for seamless PLC/DCS/SCADA integration. Its rugged construction, extended-life lithium battery, and proprietary fast-response algorithms ensure dependable operation across harsh tank farms and industrial environments.

By eliminating wiring, reducing technician exposure, and providing real-time relief monitoring, the MCG 1097 helps facilities improve safety, reduce installation cost, streamline compliance, and modernize tank-vent oversight.

Features

Wireless Freedom

Completely Wireless Operation

No conduit, no trenching; deployable on new and existing tanks.

Real-Time Pressure / Vacuum/Overflow Alerts

Immediate notification of vent activity for safer, faster operator response.

Immediate Alarms

Continuous Battery & Device Status Reporting

Ensures operators always know alarm readiness and battery life.

Battery Monitoring

Long-Life Lithium Battery

Engineered for at least one year of operation with zero wiring requirements.

Seamless WirelessHART Integration

Direct connectivity to the MCG 7030 Touch Panel Monitor and the MCG 5200 Gateway.

Rugged Industrial Construction

Designed for harsh outdoor tank-farm conditions and hazardous locations.

Remote Monitoring Capability

View vent activity and battery status locally or through SCADA/DCS systems.

Details

Applications

  • Vapor Pressure Relief: Detects pressure vent activity instantly, helping operators prevent unsafe tank overpressure events and respond quickly.
  • Vacuum Relief Monitoring: Identifies vacuum-relief valve openings to protect tanks from structural damage during emptying or thermal changes.
  • Liquid Overflow Indication: Alerts operators the moment product reaches the overflow point, reducing spill risk and supporting environmental compliance.
  • Inert Blanket Failure Detection: Identifies loss of nitrogen or inert gas blanket to prevent oxygen ingress and unsafe tank conditions.
  • Vent Activity Trending: Enables long-term visibility into relief patterns, helping diagnose recurring pressure issues before they escalate.
  • Remote/Unattended Tank Monitoring: Provides wireless relief indication on tanks located far from operators, reducing the need for manual inspections.

Technical Specifications & Key Features

Table Header Table Header
Communication
WirelessHART
Power Supply
Long-life lithium battery (≥1 year); optional 24 VDC supply
Outputs
Wireless transmission of relief status + battery health
Integration
Pairs with MCG 7030 Touch Panel Alarm Monitor and MCG 5200 WirelessHART Gateway
Enclosure
Compact, rugged design suitable for industrial and hazardous locations
Supported Relief Types
  • Pressure relief
  • Vacuum relief
  • Liquid overflow
  • Blanketing failure
System Compatibility
Simple connectivity into DCS/PLC/SCADA systems via gateway
Ordering Options
  • Communication: WirelessHART
  • Power: Battery or 24 VDC supply

Documents and Downloads

Product Flyer

Have a look at the flyer to get all the tech specs and product features. Brochure

User Manual

Read the manual for detailed information and instructions. Manual

Calibrations

Check out a sample cert from our calibration lab. Certificate

Contact Support

If you have a question that we have not covered then just get in touch and we’ll be happy to help.

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FAQs

We have tried to answer the most common questions we are asked here.

WirelessHART is an open-standard communication protocol for wirelessly connecting field devices. It is highly reliable, secure, and low-power. For the MCG 1097, it means you can easily add a critical safety alarm to a tank without running new wiring, which saves on installation costs and time.
The MCG 1097 provides real-time insight into events that could lead to dangerous situations, such as a tank over-pressuring or a liquid overflow. By wirelessly sending an immediate alert, it allows operators to take action quickly, protecting assets, personnel, and the environment. It eliminates the guesswork and risk associated with manually checking vent valves.

No. It is a fully wireless, battery-powered device that installs directly at the vent with no conduit or trenching required.

The MCG 1097 operates for a year or more on its lithium battery. The device continuously transmits its battery status wirelessly, allowing you to monitor it remotely via the MCG 7030 or host system. This proactive monitoring ensures you are alerted to a low-power condition well before the device loses functionality.
Pressure relief, vacuum relief, overflow activity, and inert blanket failure.
The MCG 1097 communicates via WirelessHART to the MCG 5200 Gateway, which provides integration into PLC, DCS, or SCADA systems.
Yes. Continuous WirelessHART reporting enables long-term analysis of vent activity and abnormal tank-pressure behavior.
Yes. Its rugged construction and WirelessHART architecture support use at industrial tank vents and classified locations.