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b1 Airflow/Pressure Measurement
b1 LEED Green Buildings
b1 Room/Space Pressure Monitoring
b1 Industrial Process Applications
b1 Airflow/Pressure Control
 
 
 
New Products
 
FAATS-1000 Fan Array Airflow Totalizing System
 
 
The FAATS-1000 Fan Array Airflow Totalizing System has been specifically designed to provide a cost effective means for accurate (±0.25%F.S.) airflow measurement of up to forty individual fans within a single fan array or forty combined fans in an air handling unit with both supply and return fan arrays. The individual airflow rate of each fan in an array is indicated on a seven inch, full color, Human-Machine-Interface (HMI) touch screen panel as well as the summed (total) airflow rate of each array. The total airflow rate of each array is also made available to the Building Management System (BMS) via dedicated field selectable 0 to 5 VDC, 0 to 10 VDC, or 4 to 20 mA analog outputs. Individual fan airflow rates and total airflow rates for each array are also available to the BMS via BACnet®-MS/TP Master or Modbus® RTU Slave network communications. Independent monitoring of each fan allows the FAATS-1000 to identify and alarm fan failures and airflow rate discrepancies between fans.
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OAFE-1550 Outdoor Airflow Measurement System
 
 
The OAFE-1550 is an AMCA certified outdoor airflow measurement system capable of producing an overall ±0.5% accuracy through the velocity range of 200 to 1,200 fpm. The airflow measurement system consists of an integral signal processor and multipleairflow elements, factory mounted and pre-piped in a casing designed for flanged connection to ductwork, control dampers, louvers, etc. An optional inlet bell is available for plenum applications. The signal processor accepts a temperature input signal for air density compensation for standard (scfm) or actual (acfm) airflow calculations. 
 
 

Device monitoring and configuration can also be performed by a building management system through either a LonWorks®, BACnet-MS/TP® Master or Modbus® RTU Slave communication network.  An optional controller is available that utilizes a proprietary algorithm which results in true three mode control incorporating proportional band, integral (reset) and inverse derivative (P, I, 1/D) controller functionality and tuning. The controller will provide responsive modulation of a control damper or variable speed drive guaranteeing that a constant airflow is maintained. An economizer override option is available that allows the building management system to override the minimum outdoor airflow rate.

 
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MicroTransII Airflow Signal Processor & Controller
 
 

The MicroTransII transducer can produce accuracies of ±0.1% of reading and includes an optional three mode (P, I, 1/D) controller. The ultra low 0.03"w.c. differential pressure (693 fpm at standard air density conditions) full scale operating range and the auto zeroing function provides accurate air flow measurement down to 100 fpm making this product ideal for control of outdoor air dampers.  An optional economizer override feature is included to allow the BMS system to override the constant volume controller output. The MicroTransII controller can also be used to maintain a constant duct volume or duct pressure by controlling a variable speed drive or damper. For easy use on fan inlet applications with piezometer ring systems, the MicroTransII incorporates a special piezometer ring flow algorithm with easy flow coefficient entry through display menus.  A 4-point flow correction and K-factor field menu are included to reduce time and save money spent on balancing.  Device monitoring and configuration can also be performed by a building management system through either a LonWorks®, BACnet-MS/TP® Master, or Modbus® RTU Slave communication network.

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MicroTransEQ Airflow Signal Processor
 
 
The MicroTransEQ flow transducer utilizes a 24 bit A/D converter for signal processing and can produce accuracies of ±0.1% of reading. The ultra low 0.03"w.c. differential pressure (693 fpm at standard air density conditions) full scale operating range and the auto zeroing function provides accurate air flow measurement down to 100 fpm making this product ideal for outdoor air flow measurement applications and for use on projects seeking to obtain credit for IEQ Credit 1: Outdoor Air Delivery Monitoring under the LEED® Green Building Rating System. The MicroTransEQ also accepts a temperature input signal for air density compensation for standard or actual airflow calculations. For easy use on fan inlet applications with piezometer ring systems, the MicroTransEQ incorporates a special piezometer ring flow algorithm with easy flow coefficient entry through display menus. A 4-point flow correction and K-factor field menu are included to reduce time and save money spent on balancing. Device monitoring and configuration can also be performed by a building management system through either a LonWorks®, BACnet-MS/TP® Master, or Modbus® RTU Slave communication network.
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SPM-3000 Micro Guardian Room/Space Pressure Monitor & Alarm System
 
 
The SPM-3000 Micro Guardian is a complete room/space pressure measurement system including space and reference pressure sensors and a central signal processing module. The central module includes a flush mount electrical box, local LED indication of alarm status and operational mode, audible alarm with alarm acknowledge button, and an optional LCD for local display of the space pressure. Device monitoring and configuration is performed via LonWorks® or BACnet®-MS/TP communication networks. Additionally, the monitor can be configured locally via IR communication using a laptop or Palm Tungsten E2® (or equivalent). An additional network communication port is available for connection to PCI’s RPM-2000 Guardian Remote Pressure Monitor that can be located at a nurse’s station.
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SPM-4000 Guardian Infinity Room/Space Pressurization Monitor and Controller
 
 
The SPM-4000 Guardian Infinity is a complete room/space pressure measurement system including space and reference pressure sensors and a central signal processing module. The central module includes a flush mount electrical box, 8 line graphic display for local indication of the space pressure and device configuration, six button touch pad for field configuration, LED indication of operational mode and status, and an audible alarm with alarm acknowledge switch. The Guardian Infinity offers an optional controller to provide responsive modulation of a control damper or variable speed drive guaranteeing a stable space pressure is maintained. Device monitoring and configuration is performed via LonWorks® or BACnet®-MS/TP communication networks. Additionally, the monitor can be configured locally via IR communication using a laptop or Palm Tungsten E2® (or equivalent). An additional network communication port is available for connection to PCI’s RPM-2000 Guardian Remote Pressure Monitor that can be located at a nurse’s station.
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RPM-2000 Guardian Remote Pressure Monitor
 
 
The RPM-2000 Guardian Remote Pressure Monitor is designed for indicating the differential pressure value and alarm status from multiple Guardian Space Pressure Monitors (SPM). The Guardian RPM can also be used to make global and individual SPM configuration changes such as high and low alarm setpoints, alarm delay value, operating mode, engineering units, etc. The Guardian RPM communicates with the individual SPMs through a dedicated twisted pair connection using BACnet®-MS/TP communication protocol. The Guardian RPM is typically located at the nurse’s station for hospital applications or at the facility maintenance office for laboratory applications.
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