RKI Instruments ESR-B134-NH3 Sensor, Ammonia (NH3) 0-400 ppm for GX-3R Pro / SC-04

The RKI Instruments ESR-B134-NH3 Sensor is a replacement ammonia NH3 sensor designed for compatible RKI portable gas detection instruments. Built for NH3 monitoring from 0-400 ppm, this sensor helps maintain accurate ammonia gas detection for safety teams, maintenance departments, industrial facilities, refrigeration operations, chemical plants, and other workplaces where ammonia exposure must be monitored.

This RKI ESR-B134-NH3 ammonia sensor is made for use with the GX-3R Pro / SC-04 and is listed as a Premier Portable Instruments GX-3R Pro 04 Series Replacement Sensor. It is a direct replacement option for buyers who need to keep their RKI gas detection equipment operational without replacing the full detector.

Designed for professional gas detection programs, this 0-400 ppm ammonia sensor supports industrial safety applications where workers need dependable NH3 readings. It is a practical replacement part for facilities using ammonia in or around refrigeration systems, manufacturing areas, chemical handling zones, maintenance spaces, and other monitored work environments.

The RKI Instruments NH3 replacement sensor is useful for safety managers, service technicians, EHS teams, calibration teams, and gas detection equipment suppliers who need compatible RKI gas detector replacement parts. Keeping replacement sensors available helps reduce downtime and supports ongoing gas detector maintenance programs.

Order the RKI Instruments ESR-B134-NH3 Sensor, Ammonia (NH3) 0-400 ppm for GX-3R Pro / SC-04 from Life Protectors for a compatible portable gas detector replacement sensor with free shipping, no state or local sales tax, and direct shipment from RKI to your door, as listed on the product page.