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Screenshots

  • MGS-400 screenshot 1
  • MGS-400 screenshot 2
  • MGS-400 screenshot 3
  • MGS-400 screenshot 4

About MGS-400

The Bacharach MGS-400 App allows users to configure, maintain and interface with compatible MGS-400 gas detectors. Once a Bluetooth connection has been established, the app replaces the need for specialty training / tools and makes compliance with safety standards (ASHRAE 15, EN 378) easy and effective.
Features include:

- Configuration (Rename device, define alarm thresholds, adjust Modbus settings, configure relay behavior and manage analog output settings.)
- Maintenance (Test LED / buzzer function, relays and analog output level.)
- Calibration (View sensor type, serial number and “Calibration Due” timer and initiate zero / span calibrations with customizable field calibration certificate.)
- Intuitive Interface (View current gas measurement and acknowledge alarm / fault status.)

What’s new

Version 2.3.2 · Updated March 13, 2026

Added Android 16 support with necessary build and permission updates. Improved QR code scanning, including fixes for UMIDIGI devices. Rebranded logos, documents, colors, and links to align with MSA branding. Fixed issue when Bluetooth is turned off from the Control Panel while connected to the app.

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