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$1,031.44     Availability: 4 Weeks
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Honeywell Analytics Manning EC-FX gas detector with electrochemical sensor for Ammonia (NH3) 0-100 ppm or 0-250ppm with Isolated 3-wire 4-20 mA and RS-485 Modbus RTU outputs, 24VDC Power, NEMA-1 enclosure.

HA# M-509320

Part# with Options:        EC-FX-100-N
Price with Options:        1,031.44


(1) PPM Range for Manning ECFX-100-N
(2) Enclusure type for Manning ECFX-100-N
(3) ATMOS enviro-adaptive technology for refrigerated areas or outdoors
LCD Display
(4) LCD Display for Manning gas detectors

  Availability 4 Weeks  ]

Ammonia Specific
  • Rapid response to ammonia
  • Internal monitoring of 4-20 mA loop circuitry continuity
  • Can be used with any Honeywell Analytics readout
  • Standard range of 100 ppm can be rescaled for higher ranges
  • Provides a linear output of 4-20 mA as a function of refrigerant concentration
Easy Maintenance
  • Quick and easy calibration
  • Realtime calibration eliminates maintenance downtime
Long sensor life
  • Quick and easy calibration
ATMOS™ Technology
  • Allows for operation down to -50 F and in condensing humidity environments or during washdown
  • Automatically adapts to its environment and provides accurate and reliable performance under the harshest conditions
SensorCheck™ Technology
  • Checks operating parameters of sensors and sends a notification output signal if an anomaly is identified
  • Tests the sensor every 24 hours for electrical viability
  • Indication can be detected by a Manning gas monitor or PLC
  • NEMA 1 #16 gauge heavy-duty steel enclosure
  • Explosion-proof design available
Available with an optional LCD that allows real time display of gas concentration. The easy to read display allows for quick visual error events upon startup and troubleshooting and can be calibrated without a voltmeter. The EC-F9-NH3 with LCD is designed to work in the harshest environments including chemical washdown.
Manning EC-F9-NH3 with LCD
Manning EC-F9-NH3 with LCD option

General Description

The Manning EC-F9-NH3 sensor consists of a pair of polarized electrodes isolated from the ambient air by a gas permeable membrane. As ammonia diffuses into the sensor, a redox reaction occurs, generating a current linearly proportional to ammonia gas concentration. Unlike many other ammonia sensors, this gas diffusion detector exhibits excellent zero and calibration stability over long periods of time. EC cells often last 3-4 years in the refrigerated environments of food processing and storage warehouses. This sensor can provide direct input into PLC’s and computer control systems that accept a linear 4-20 mA signal either directly from the sensor or from any Manning mulitchannel stand alone alarm consoles with relay or analog output.


  • Bakeries
  • Beverage, Bottling Plants
  • Blast, Spiral Freezers
  • Chemical Manufacturing
  • Gas Bottling Plants
  • Coolers
  • Duct-Mounted Sensors
  • Equipment Rooms
  • Food Processing
  • Fruit, Vegetable Processing
  • Ice Cream Storage
  • Penthouses
  • Perimeter Monitoring
  • Potable Water Plants
  • Poultry, Meat, Fish Processing
  • NOx Reduction (power plants)
  • Refrigeration Systems
  • Storage Freezers
  • Turbine Inlet Cooling
  • Wineries

General Specification
Use Electrochemical (diffusion) type sensor that works in conjunction with any Honeywell Analytics readout or alarm unit. Readouts have built in visual and audible alarms, as well as relay output for ventilation fan activation, central alarm tie-in, etc. The Manning EC-F9-NH3 can provide a linear 4-20 mA signal input into PLC’s.
Common Operation
OperationIn units without the optional LCD module, a group of LED’s are installed to the PCB. In units with the optional LCD, two external
push buttons, “Accept” and “Scroll” are used to navigate test functions and operating modes.
LCD display (optional)2 line by 8 alpha numeric characters and continuous backlight
OutputIsolated 4-20 mA, 700 ohms max. at 24 VDC. Signal output reduces to 0.5 mA to indicate a fault condition. RS-485, Modbus
RTU protocol
Accuracy+/- 5% generally, but limited by available calibration gas accuracy. Enclosure contains no moving parts, contributing to accu
racy levels.
Environmental IP ratingIndoor use, IP 44 in accordance with EN60529:1992
Humidity5-100% RH (condensing)
Temperature-45°C to +49°C / -50°F to +120°F, ATMOS equipped enviro-adaptive technology required for refrigerated areas or outdoors
Sensor Pressure Limit0-10 PSIG
Storage-40°C to +80°C / -40°F to +176°F, 20 to 80%RH (non condensing)
Common Module
Communication 4-20 mA output: #18/3 shielded cable (Belden 8770 or equal), cable runs < 1,500 ft. RS-485: for communication cable, use
24 AWG twisted pair, shielded (Belden #9841 or equal), cable runs up to 2,000 ft. For power cable use 14 AWG (Belden
#5100UE or equal), cable runs up to 1,000 feet.
Power Source24 VDC, 0.5 amp max.
Repeatability+/- 2% full scale
Sensor Specifications
Sensor PressureLimits 0-10 PSIG
Response TimeT50 = 10 seconds
T100 < 1 second for concentration > 1% NH3
Ranges0-100 ppm (standard)
0-250 ppm
0-500 ppm
0-1000 ppm
Sensor Viability TestSensorCheck, an internal microprocessor determines the sensor’s electrical viability every 24 hours. If the viability test fails, an
0.5 mA signal will idicate a fault. An internal light will show if a sensor is dried up or disconnected.
EnclosureNEMA 1, gasketed, #16 gauge steel (standard). Stainless steel or explosion-proof designs, including modified enclosures for
low temperatures, ventilation ducts, etc. are available.
Weight 3 Lbs.

    EC-FX-NH3-LR Honeywell EC-FX-NH3-LR Replacement Electrochemical Ammonia (0-100/250ppm) Cell for Manning ECFX-100-N ..
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    EC-FX-CK2 Honeywell ECFX Calibration Kit with 58 or 103L Cylinder. 300LPM Regulator, includes EC-FX-CA calibration adaptor and hose. ..

    2306B1000 Zareba Unipoint simple DIN rail mounted 1-channel controller with 2 wire 4-20mA, 3 wire 4-20 mA , 3 alarm relays and built-in audiovisual alarms. Flexible and low cost solution to incorporate toxic or oxygen gas detection into control and gas detection sy..

    AA96D-DLC Honeywell Manning AirAlert 96d Multi-Channel gas monitoring system for continuos monitoring and control of toxic gases, combustible gases and oxygen hazards. Supports up to 96 addressable devices, any combination of Honeywell Analytics gas detectors (Mann..

    EC-FX-CA Honeywell Calibration Adaptor, cup for Manning ECFX-100-N ..

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> GAS DETECTORS > AMMONIA :    27 Items found.
EC-F9-NH3-0/0500-N1 (3709) HONEYWELL  EC-F9-NH3-0/0500-N1

Honeywell Analytics Manning EC-F9 gas detector with electrochemical sensor for Ammonia (NH3) 0-500 ppm or 0-1000 ppm with Isolated 3-wire 4-20 mA and RS-485 Modbus RTU outputs, 24VDC Power, NEMA-1 enclosure. *** Phased out replaced by EC-FX-100 ***




Honeywell Zareba Sensepoint Gas Detector Transmitter for Ammonia (NH3) with pre-wired universal junction box (1 threaded M20, 1 clearance 3/4"NPT, 1 clearance 1/2" NPT, 3 approved stopping plugs, earth continuity plate) and factory set toxic gas sensor. 2 wire 4-20mA loop output. ATEX Approved. (Optional ranges: 0-50 ppm, 0-1000 ppm)



SPC3-1120-200US (2633) INTEC  SPC3-1120-200US

Intec Controls PolyGard SPC3-1120 Sigle-Point Gas Detector for Ammonia (NH3) 0-300 / 0-1000 ppm, 2 relay outputs, 1 4-20mA & 2-10V analog output, 83 db horn. Wall mounted. NEMA 4X Enclosure. Accepts one additional analog remote device and a secondary gas, temperature or humidity sensor. UL Listed and CSA Certified.



364-455-01-365-761-11050 (6149) DELPHIAN  364-455-01-365-761-11050

Delphian GazTell Fixed Point Electrochemical Gas Detector for Ammonia (NH3) 0-50 or 0-100 ppm. 4-20mA Output. Optional Modbus RTU Output and Alarm Relays. SIL2 Approval. Suitable for Class I Div 1 & 2 Groups C, D.



2106B1413 (1458) HONEYWELL  2106B1413

Honeywell Sieger Sensepoint Gas Detector Transmitter for Ammonia (NH3) (0-50 ppm to 0-1000 ppm) with Surecell Toxic Sensor. 2 wire 4-20mA loop output. ATEX/IECEx Certified.




Cool Air LBW-Watchman Ammonia (NH3) 0-1000ppm Leak Detector. 4-20mA analog output. NEMA 4X, UL Listed enclosure. IP66. 24VDC.



LBW-50-115-SS (910) COOL AIR  LBW-50-115-SS

Cool Air LBW-50 Ammonia (NH3) 0-1000ppm Gas Leak Detector. Dependable, low cost and low maintenance. NEMA 4X IP66 enclosure. Alarm, pre-alarm and auxiliary relays. 115 or 230 VAC, 50/60 Hz, 16 VAC, or 24 VDC


$878.15        Includes TB-100 test bottle

LBW-50-RLV-115-SS (914) COOL AIR  LBW-50-RLV-115-SS

Cool Air Ammonia Relief Line Vent Gas Detector LBW-RLV for continuos monitoring of Ammonia (NH3) 25-800ppm refrigeration gas emergency vent line headers. NEMA 4 weatherproof enclosure. 2 Alarm and 1 Auxiliary relays, 2 wires for power. 4 wires for control signals. 115 or 230 VAC, 50/60 Hz, 16 VAC, or 24 VDC UL Listed


$878.15        Includes TB-100 test bottle

GDS-49-3-20-05 (167) GDS  GDS-49-3-20-05

GDS GDS-49 Remote Gas Detector Transmitter with stainless steel sensor head (non-XP) configured for Ammonia (NH3) with range 0-50 to 0-1000 ppm. 2-Wire 4-20 mA transmitter.



LBW-420-LEL-DC-01 (6055) COOL AIR  LBW-420-LEL-DC-01

Cool Air LBW-420-LEL Ammonia (NH3) 0-9.9% Gas Leak Detector. Includes 4-20mA analog output, 3 latching relays and LED Display. 18-36 VDC (Optional AC). NEMA 4X and UL listed enclosure.



LBW-420-115-SS (912) COOL AIR  LBW-420-115-SS

Cool Air LBW-420 Ammonia (NH3) 0-100/1000ppm Gas Leak Detector. Affordable, dependable and virtually maintanance-free. 4-20mA analog output. NEMA 4X enclosure. Alarm, pre-alarm and auxiliary relays. 115/230 VAC, 50/60 Hz, or 24 VDC. User Adjustable ranges: 0-100, 0-250, 0-500 and 0-1000ppm


$1,160.25        Includes TB-100 test bottle


Honeywell Analytics Manning Vent Line (VL) leak detector for Ammonia (NH3) 0-10000ppm (1%). Continuos monitoring. Can be connected to and monitored by all Honeywell Analytics readouts. 2” cast steel “T”. 4-20mA output. NEMA 4 Enclosure. Linear pre-amp.


$1,191.84        HA# M-600253


Honeywell Analytics Manning Vent Line (VL) leak detector for Ammonia (NH3) 0-10000ppm (1%). Continuos monitoring. Can be connected to and monitored by all Honeywell Analytics readouts. 2” cast steel “T”. 4-20mA output. NEMA 4 Enclosure. Linear pre-amp. Includes mounting kit


$1,213.16        HA# M-510000


Honeywell Sensepoint XCD RTD Gas Detector for Ammonia (NH3) with Remote Electrochemical Sensor. Aluminium alloy LM25 or 316 stainless steel housing, PPS sensor head. IP67. 3-wire 24 VDC power. Includes 3 programmable alarm relays and 4-20mA output (sink or source selectable), Modbus RTU option available. User-Selectable full scale range 0 to 50 ppm. UL/cCSAus Approved for Class I Div 2.



TM-EC-48-20-05-0 (3395) GDS  TM-EC-48-20-05-0

GDS TRANSMAX EC Loop-Powered Gas Monitor with stainless steel sensor head and integrated sensor configured for Ammonia (NH3) for range 0-50 to 0-1000 ppm. 2-wire 4-20mA current sink output and large LCD Display. Polycarbonate housing (IP66/IP67).




Honeywell Series 3000 MkII Gas Detector Transmitter, with aluminum housing (optional stainless steel) for monitoring AMMONIA (NH3) with electrochemical sensor, 2-wire 4-20mA loop. Optional ranges: 0-200ppm, 0-1000ppm.



967-505090-100 (6070) DETCON  967-505090-100

Detcon DM-702-NH3 Electrochemical "Smart" Ammonia (NH3) 0-100 ppm Sensor Assembly with LED display. 4-20mA and Modbus RS-485 outputs. 316 Stainless Steel Housing. Water Proof, Corrosion Proof, Vibration Proof and Explosion proof. NEMA 4X. IP66. Class I, Div. 1, Groups B, C, & D. CSA and ATEX approvals.



TMII-48-20-05/00-00-00/0-0 (123) GDS  TMII-48-20-05/00-00-00/0-0

GDS TRANSMAX II Gas Detector with Local DELDRIN sensor head (non-XP) with integrated sensor configured for Ammonia (NH3) for range 0-50 to 0-1000 ppm with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU, 4-20mA output transmitter.



EX-NH3-1000P-O (6011) MACURCO  EX-NH3-1000P-O

Macurco Ex Series Explosion Proof Electrochemical Gas Detector for detection of Ammonia (NH3) 0-100ppm or 0-1000ppm. Includes 4-20 mA Output, Three Onboard Relays, RS-485 Communication and LCD Digital Display. Aluminium Enclosure. IP66. FM and CSA approvals for Class I Division 1.



GM/EC-03-20-05 (132) GDS  GM/EC-03-20-05

GDS GASMAX/EC 2-Wire Gas Detector with local stainless steel sensor head (non-XP) configured for Ammonia (NH3) with range 0-50 to 0-1000 ppm, 4-20 mA output transmitter.



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