Fruit, Vegetable Processing Areas
Sensor selection for ammonia gas detection is fairly simple in fruit and vegetable processing because there is really only one choice - the EC-F9-NH3 electrochemical sensor for low ppm ammonia trip levels without false trips.
High moisture conditions, chemical or steam hose down and product off-gasing all contribute to a complex, chemically active food processing environment. Manning Systems sensors will operate in 100% RH (condensing) conditions without false trips.
Manning Systems enclosures with optional ATMOS equipped® technology (Adaptive Temperature and Moisture Optimizing System) feature the first enviro-adaptive technology available for gas sensors. Manning Systems electrochemical and infrared gas sensors with ATMOS equipped® technology can automatically adapt to environments from -50°F to 100% humidity and washdown conditions, assuring industry leading performance in the harshest environments.
Personnel protection is also a high priority in process areas and that, along with a complex environment, dictates the use of electrochemical gas sensors to detect ammonia leaks in the low ppm range. The EC-F9-NH3 can be housed in a stainless steel enclosure, if required, and will survive repeated washdown.
Manning Systems offers personal protection portables for the single- and multi-sensor toxic gas detector market. These innovative, low-cost portables are ideal for industrial hygienists, safety managers, petrochemical applications, fire departments, police and emergency responders at risk of exposure to toxic contaminants.
Because of processing or sanitation activities, other gases may need to be monitored, including oxygen, carbon dioxide, chlorine, chlorine dioxide, ozone, etc. Manning Systems can monitor all of these gases without false trips.
If halocarbons are present, the infrared AirScan™ iR monitors refrigerants without nuisance trips. It operates without pumps or filters for long-term reliable performance and minimal maintenance.
Unlike sample draw systems, diffusion sensors monitor an entire facility continuously without concern for pump or filter maintenance, sample dilution or moisture in sample draw lines. Degradation inherent to sample draw systems is not a concern with the solid reliability of diffusion devices. This is especially apparent in facilities with continuous high moisture levels.
Related products and technology
The Manning Primary Safety System (MPSS) is a total, turnkey solution for the detection of toxic gas leaks showing gas safety status of an entire industrial facility at a single glance. It provides a "hardened" gas safety equipment system utilizing dedicated MPSS electrochemical and infrared sensors connected in realtime to GM-10, GM-4 or GM-1 dedicated central gas alarm monitors – all protected by a single uninterruptible power system. Multiple relays trigger key emergency safety control of equipment shutdown functions and allow Emergency Responders to easily assess an ammonia or other gas leak situation - even in the event of computer viruses, operating system crashes or human error.
The new AirAlert 96d multi-channel gas monitoring system adds addressable RS-485 Modbus communication protocol to the broad line of Manning Systems readout/alarm units. A total of 96 gas sensors and relay modules can be linked to a single controller.
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Manning Systems is a Honeywell Company.






