Emerson MRLDS-250 Broad Spectrum 0-3500 ppm

SKU: 809-0030

Same as Bacharach MGS-250 Broadband Infrared Gas Detector 6401-0500.

The MRLDS-250 NDIR (non-dispersive infrared) is a fixed gas detector that can detect a wide range of refrigerant gases. The MRLDS-250 can be used on a stand-alone basis or integrated into controls or a Building Management System (BMS).

The MRLDS-250 can be used in locations that require continuous monitoring and to add gas detection solutions to an existing system.

The broadband gas detector (P/N 809-0030) is used as a general purpose gross leak detector and is factory tested and certified. It is shipped from the factory with ±35% accuracy.


  • 0-3500 ppm

  • 35% accuracy

  • MRLDS-250 supports Refrigerants R123, R134a, R404a, R407a, R407c, R407f, R410a, R427a, R507, HFO1233ZD, R448A, R449A

  • Part number: 809-0030

  • The MRLDS-250 809-0030 replaces discontinued part numbers 809-1000, 809-1001, 809-1010. 809-1011, 809-1012, and 809-1014.

  • Equivalent to Bacharach part 6401-0500

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