In applications where a local display is not required, the Iso-Tek
SPM2000 can be substituted. The SPM2000 includes the same
components as the SPM2100, except the room display module.
Configuration of the SPM2000 is performed with the SPM7000
Setup Tool, described later. A display module can be added to the
SPM2000 at any time in the future. As an economical alternative to
the standard Iso-Tek display module, Tek-Air now offers the
IMD5000 Mini Display. Contact your Tek-Air sales rep for more
information.
The transmitter is the heart of the Iso-Tek system. It incorporates the
microprocessor based electronics and the thermal mass airflow sensor.
The transmitter provides several types of logic and signal interfaces to
meet the requirements of a wide variety of applications. Simple interface
to Building Management Systems includes contact closures for alarms
and a 4-20mA analog output signal for transmitting measurement
values. The transmitter can be interfaced to contact inputs for remote
polarity indexing. Full, seamless integration with many Building
Automation systems can be achieved with Iso-Tek’s direct digital
communications.
Two space pressure probes (available in ceiling or wall mount) are pro-
vided with each pressure monitoring system. One is mounted in the
room to be monitored, and the other in the adjacent hallway. These
probes are designed to minimize the effect of room turbulence on the
measurement pickup points.
The probes connect to the transmitter by means of standard 1/2" O.D.
control tubing (provided), which may be up to fifty feet in length. The
narrow width of the tubing eliminates the need for large penetrations
normally associated with “through the wall” type thermal anemometers.
The 4.5" x 4.5" room display is provided with the SPM2100, and is
designed for use where continuous visual monitoring of the space
pressurization status is required. The display includes setpoint alarm
and status LED’s (light emitting diodes), an alarm horn, and an
acknowledge button. Unlike other displays that use confusing numbers,
the Iso-Tek display is designed to be simple and intuitive, requiring
little or no interpretation by the user.
The room display module is mounted in the lab, patient room,
anteroom, or hallway on a standard electrical utility box. Alarm settings
are made via adjustment controls on the rear of the display housing.
The room display and functions of the transmitter can be configured
through selection switches located on the rear of the display as well, to
tailor the operation to the needs of the application.
For selectable room pressure, or rooms that need to be turned to stand-
by mode to shut off nuisance alarm during maintenance, an electronic
key switch is available as an option. The KSA7000 Electronic
Key Switch options allow selectable Negative, Positive, and
Standby pressure polarities from convenient wall-mounted switch
assemblies. Contact your Tek-Air sales rep for more information.
ISO-TEK Space Pressurization Monitor
Tek-Air Systems, Inc.
41 Eagle Road • Danbury, CT 06810 • (203) 791-1400 • FAX: (203) 798-6534 • SALES
FAX: (203) 730-9564 • www.tek-air.com
T-Iso-Tek • 5-05
Monitor System Components
(133 paginas)
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