Bacharach

MGS-450 NH3 Gas Detector, Light & Sound Alert

Model: HZ663

Mfr. No.: 6302-1029

  • MGS-450 NH3 Gas Detector, Light & Sound Alert Seagulf Marine Industries Inc.

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Sold as: Each

Ships September 2026

Shipping times are based on information available at the time of order and are subject to change.

Display Type

Analogue

Alert Type

Light & Sound

Operating Temperature

± -40°C to 50°C (±-40°F to 122°F)

Measuring Range

0-300 ppm

Accuracy

SC - < -10%/+15% of Full-Scale; IR, Cat, EC - < ±5% of Full-Scale

Dimensions

6.5" × 6.5" × 3.4" (165 × 165 × 87 mm)

  • Optional IP41 or IP66-rated enclosures protect from dust and water ingress
  • Plug-and-play pre-calibrated sensor modules allow for quick, simple sensor replacement
  • Temperature-compensated measurements mitigate false alarms and optimize accuracy in refrigeration applications (suitable for use in cold rooms and freezers down to -40°C)
  • Configurable analog output (4-20mA, 0-5V, 0-10V, 1-5V or 2-10V) and Modbus communications for integration with Bacharach's MGS-408 controller or third-party BMS / BAS control systems
  • Three user-configurable relays (fault, low and high alarm) may be used to activate external beacons / sounders, ventilation or other countermeasures
  • Integrated audible / visual alarms for refrigeration safety compliance – no additional hardware required
  • MGS-400 mobile app (available for Android and iOS) allows users to interface via Bluetooth® with gas detector for easy commissioning and maintenance without specialty tools or training