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Honeywell 301EM for Refrigerant, Toxic & Combustible Gases
Honeywell 301EM Refrigerant, Toxic & Combustible Gas Controller -
The 301EM Controller is the compolete solution for mechanical room. The controller delivers a sophisticated control functionality for up to 20 remote refrigerant sensors and can detect a variety of gases. Protect your personnel and property when you have this controller mounted in a mechanical or chiller rooms. The easy to read LCD display and the auto-diagnostic capabilities make this controller user friendly.
301EM Brochure
301EM Specifications
Controller Description
Part Number
Controller, Type 3
301-EM-US3
Controller with horn and strobe, Type 3
301-EM-RFSA-US3
S301-IRF Sensors for use with 301-EM
Sensor
Part Number
R11 refrigerant gas sensor
S301-IRF-R11
R123 refrigerant gas sensor
S301-IRF-R123
R125 refrigerant gas sensor
S301-IRF-R125
R134a refrigerant gas sensor
S301-IRF-R134A
R22 refrigerant gas sensor
S301-IRF-R22
R404a refrigerant gas sensor
S301-IRF-R404A
R407c refrigerant gas sensor
S301-IRF-R407C
R410a refrigerant gas sensor
S301-IRF-R410A
R4310 refrigerant gas sensor
S301-IRF-R4310
R507a refrigerant gas sensor
S301-IRF-R507A
*Note: S301-IRF sensors operate on 12 Vdc power only. Higher voltage will result in damage to the sensor.
S301-D2 Sensors for use with 301-EM
Sensor
Part Number
Combustible sensor - (GAIN 1.0-1.3 / Methane)
129570-L3
Combustible sensor - (GAIN 1.3-1.599 / Hydrogen)
29426-L3
Combustible sensor - (GAIN 1.6-1.999 / Propane, Ethanol)
129427-L3
Combustible sensor - (GAIN 2.0-2.219 / n-Pentane)
129428-L3
Combustible sensor - (GAIN 2.220-2.5 / Toluene)
129429-L3
Combustible sensor - (GAIN +2.5 / n-Decane)
129430-L3
Carbon monoxide (CO) sensor
129431-L3
Chlorine (Cl2) sensor
129435-L3
Nitrogen dioxide (NO2) sensor
129432-L3
Hydrogen sulfide (H2S) sensor
129433-L3
Oxygen (O2) sensor
129436-L3
Sulfur dioxide (SO2) sensor
129434-L3
EC-FX-EM Sensors for ammonia (NH3) detection for use with 301-EM
Sensor
Part Number
Gas Sensor Combustible (LEL)
M-501427
Gas Sensor 0240XV
AAY80-390
Ammonia (NH3) monitor, 4-20 mA, Modbus 0-500 ppm, NEMA 1 Encl.
ECFX-500-N-EM
Ammonia (NH3) Monitor, 4-20mA, Vulbus 0-250 ppm, NEMA 1 Encl.
ECFX-250-N-EM
Ammonia (NH3) Monitor, 4-20mA, Vulbus, 0-100 ppm, NEMA 1 Encl.
ECFX-100-N-EM