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SPM-4000 Guardian Infinity Space Pressurization, Monitor, and Controller
Field configuration of engineering units, operating mode, operating range, process noise filtering, alarm set points, etc, are performed via password protected intuitive menus that are accessed through the integral six button touch pad. Device monitoring and configuration can also be performed by a building management system through either a LonWorks® or BACnet®-MS/TP communication network and through a local IR communication port using a laptop or handheld PDA. An additional network communication port is available for connection to Paragon Controls’ Guardian RPM, a remote pressure monitor that can be located at a nurse’s station. The front panel includes an 8 line graphic display for local indication of the space-room pressure and device configuration, LED indication of operational mode and status, and an audible alarm with alarm acknowledge switch. The Guardian Infinity offers an optional controller 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 a stable space-room pressure is maintained. Model SPM-4000 Technical Data Sheet
SPM-3000 Micro Guardian Space Pressure Monitor and Alarm System
The Micro Guardian is a true differential room pressure measurement system. The Micro Guardian integrates the newest microprocessor technologies with state-of-the-art, industrial grade, highly accurate, ultra low range differential pressure sensing cells. The combination of these two technologies ensures exceptional accuracy and long-term stability. The Micro Guardian is a complete system package 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 offers an optional LCD for local display of the space-room 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). A separate BACnet® communication port is available for connection to an optional Remote Pressure Monitor (i.e. Nurses Station) offered by PCI. Communication network variables include the measured space-room pressure, high and low pressure alarm values, operational mode selection, alarm status, alarm delay value and audible alarm on/off selection. The Micro Guardian also incorporates a form C SPDT room pressure alarm relay for remote alarm activation and an analog output signal linear to the measured space differential pressure. Device zero and span calibration is simply performed by removing the cover, applying the correct pressure, and depressing zero and span buttons located on the PC board. A successful calibration is indicated by a flashing green status LED. Model SPM-3000 Technical Data Sheet
RPM-2000 Guardian Remote Pressure Monitor
The Guardian RPM is a remote pressure monitor 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. The Guardian RPM includes an eight line graphics display for indicating the room number, differential pressure value, engineering units, current operating mode, and alarm setpoint values of the room being displayed. An alarm status light is provided for each room being monitored. In the event an alarm condition occurs, the associated alarm status light will flash red and the audible alarm will activate. Pressing the alarm acknowledge button will turn off the audible alarm and cause the red status light to remain on until the associated room returns to its’ safe operating pressure. When the room has returned to its’ safe operating pressure the alarm status light will change from red to green. If the room returns to its’ safe operating pressure before the alarm acknowledge button is pressed, the alarm status light will flash green until the alarm acknowledge button is pressed. Model RPM-2000 Technical Data Sheet
SPM-2000 Guardian Plus Space Pressurization, Monitor, and Controller
The GuardianPlus is designed to meet the stringent requirements for critical room pressure monitoring, alarming, and control applications such as; hospital patient isolation and operating rooms, research facility laboratories, pharmaceutical sterile fill areas, and semiconductor FAB's and cleanrooms. The GuardianPlus is a complete system package consisting of space and reference pressure sensors and a central processing module with an integral three-mode controller. The central module measures and displays the space-room pressure with a resolution of up to one ten-thousandth of an inch water column (0.025 Pascal's). The Guardian Plus three-mode (P, I, 1/D) controller modulates a control damper, VFD, etc., to maintain the desired space-room pressure to within +/-0.0005 inches of water (0.125 Pascal's). The central processing module also includes a local LED indicating both normal and alarm status, audible alarm with alarm acknowledge switch, and auxiliary dry contacts for remote alarm. A key locking front panel allows for controlled access to field configurable functions including audible alarm silence and adjustable time delay as well as critical alarm and controller setpoint values. Model SPM-2000 Technical Data Sheet
SPM-1000 Guardian Space Pressurization Monitoring and Alarm System
The Guardian room pressure monitor is a complete system package including space and reference pressure sensors and a central signal processing module. The central module includes a panel mounted LED displaying differential pressure, local LED indication of normal or alarm status, audible alarm with alarm acknowledge switch, and auxiliary dry contacts for remote alarm. A key locking front panel allows for controlled access to field configurable functions including audible alarm silence, adjustable time delay and critical alarm setpoint adjustments. The Guardian has been designed to meet the stringent requirements for critical space-room pressure monitoring and alarming applications such as; hospital patient isolation and operating rooms, research facility laboratories, pharmaceutical sterile fill areas, and semiconductor FAB's and cleanrooms. The Guardian is a true differential pressure sensing system unlike the more common thermal or hot wire air velocity measurement type of system that implies a given space-room pressure exists based on a measured air velocity through a "calibrated" passage way between two spaces. The Guardian is the first space-soom Pressure monitor to implement the newest technologies in the manufacturing of industrial grade, highly accurate, ultra low range pressure differential sensing cells. These new advancements in pressure sensor technology assure exceptional accuracy and long-term stability. Model SPM-1000 Technical Data Sheet
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