Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas
HONEYWELL ECFX-250-N
  • Overview
  • Features
  • Specs
  • CONSUMABLES
  • ACCESSORIES & RELATED
  • Literature

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

HA# M-509320

Part# with Options:        ECFX-250-N
Price with Options:        Please Email us your request for quote   

Options:    

Options
(1) Enclusure, ATMOS & Display for Manning ECFX-250-N

  Availability 4 Weeks  ]

Ammonia Specific
  • Rapid response to ammonia
  • Internal monitoring of 4-20 mA loop circuitry continuity
Versatility
  • 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
Housing
  • 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.

Applications

  • 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
Operational
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.
Export Info
Harmonized Tariff Code (HTC)9027102000

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