129426-L3
This sensor is designed to detect hydrogen and other combustible gases. It connects with 301EM expansion modules or 301C controllers and can be positioned up to 500 feet away. Response time ranges fro
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Honeywell 301EM Series
Honeywell's 301EM Series includes refrigerant controllers and gas sensors. The 301EM Series controllers can detect many gas types and support up to 20 remote gas sensors at a time. The 301EM Series controllers and gas sensors can protect machines and personnel in chiller rooms and other mechanical environments. Different 301EM Series sensors can detect oxygen, toxic gases, and combustible gases. The controllers have LCDs that are easy to read, and they support auto-diagnostic features and Modbus RS-485 communication. Users can program the 301EM Series controllers for automatic horn, fan, and strobe activation. The controllers can operate in networks or as standalone devices.
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Browse 301EM Series
Browse available units in our catalog of 301EM Series.
129433-L3
This sensor is engineered to monitor hydrogen sulfide gas, showcasing an electrochemical sensing method for accurate measurements. It operates across a temperature range of -40°C to 40°C and can handl
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5.0
301-EM-RFSA-CA2
This infrared gas detector efficiently measures hydrocarbons with a range of 0-100% LEL. It features an IP66/IP67 rating for dust and water resistance, operates within an extensive temperature range o
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5.0
301-EM-RFSA-US3
This flame detection device weighs 1.05 lb and features a sensing technology based on ultraviolet (UV). It boasts a detection range of 80 feet (25 meters) and supports a minimum cone of vision of 90°
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5.0
301-EM-US3
Designed for reliable operation, this gas detection expansion module operates with an input voltage frequency of 50/60 Hz. It weighs 2.26 lbs and has a current rating of 2 A at 29 Vdc. The device oper
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5.0
S301-IRF-R123
This sensor measures refrigerant gas within a range of 0 to 1000 ppm, offering a resolution of 1 ppm. The response time for achieving 90% of the final value is 60 seconds, and it requires a 15-minute
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5.0
S301-IRF-R134A
The S301-IRF-R134A operates with a measurement range of 0-1000 ppm and provides a resolution of 1 ppm. This sensor features a warm-up time of 15 minutes and has a response time (T90) of 60 seconds. It
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S301-IRF-R410A
This sensor operates within a temperature span of 0 °C to 40 °C and can withstand humidity levels up to 95% RH without condensation. Its warm-up period is 15 minutes, and it achieves a response time o
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5.0
S301-IRF-R514A
This refrigerant gas sensor supports a voltage rating from 8.5 to 12.5 Vdc and operates with a maximum current of 1 A at 10 Vdc. It features an accuracy of ±10 ppm at low concentrations and ±40 ppm at
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