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T&D Sensor Networks
We are proud to offer T&D logger-sensor
networks. These systems work on the basis of remote
logging and sensing units connected to a central data
collection monitor. The systems consists of a network of
individual temperature, humidity or sensor/voltage loggers at
specific locations.
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| Basic Temperature Logger
RTR-51 |
Remote Temperature Probe
Logger RTR-52 |
Remote Humidity Probe
Logger RTR-53 |
These are combined with our unique
RTR-57C Data Collector working in combination with a PC
computer. The Data Collector can be used alone or in
combination with the PC for monitoring critical limits and/or
collecting data for trend analysis, alarm purposes or other
monitoring functions.

The heart of the system is the RTR-57C Data
Collector (shown in the middle, above). Individual
loggers can be queried by groups (as indicated above), and up
to 3,840 units can be registered to report to a single RTR-57C
Data Collector unit. The RTR-57C is connected to a PC
computer that can be used to subsequently store and further
process data collected from individual units.
The benefits of this system compared to
standard sensor networks are numerous:
| Function |
T&D System |
Other Types of Sensor Networks |
| Data Security |
Each sensing location is a
logger, so a separate backup of data is assured. |
Sensor locations have no
recording function, so data collection failures mean no
backup. |
| Sensor Flexibility |
Logger sensor types can be
humidity, temperature or any sensor type that can produce
a voltage output. Pulse and events can also be
recorded. So, users can choose from thousands of
inputs. |
Sensor types are limited in
most systems and are custom fabricated. |
| Communication Integrity |
If communications
interruption occurs, data is safe. |
Communication interruptions
mean lost data. |
| Programming Flexibility |
Each location can be
programmed to have different recording intervals and upper
and lower ranges. |
Non-logging sensors are not
programmable. |
| System Cost |
System can be purchased and
integrated by user; no system installation costs are
charged, just individual hardware purchases.
Software is flexible and free. |
System cost embeds
installation and integration charges in addition to
hardware and software costs. |
| System Maintenance |
Battery packs allow
unattended monitoring for 2.5 years at each logger
location and can be remotely checked. Monitoring
locations are user-serviceable by standard replacements. |
Sensor locations do not
indicate battery problems and are usually custom
integrated and calibrated. This requires an
expensive service call to the system integrator.
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One convenient way to set up a system is to
have groups that are designated by frequency of monitoring.
Critical functions can be grouped so that they are monitored
on a frequent basis; other, more routine functions can be
monitored for trends on a daily, weekly or monthly basis.
Call us to discuss how to set up your
system. We provide expertise to advise you on setting up
these systems, but never charge for system setup or
integration. We sell system components and provide
support for software and hardware.
CheckPoint Sensor Network Technology
We offer a highly competent standard wireless monitoring network
designed to ensure maintenance of temperature and other
environmental variables in a variety of different
applications:
processing plants, institutional and commercial food
preparation, cold storage, retail and food service.
Global Sensors CheckPoint monitoring is state of the art, and
specifically designed for real challenges in a variety of
different locations.
The system is built on the 900 MHz Frequency Hopping
Technology which provides redundant data transmission for
reliable communication from every sensor. 900 MHz is an
unlicensed frequency range and the Frequency Hopping
technology will cause no interference with other 900 MHz
devices or any other wireless devices operating at other
frequencies.
The program works with Windows 2000 or XP Professional
operating system, and uses SQL, a very stable database engine
capable of supporting multiple users simultaneously sharing
the program over a computer network. A Pentium III or higher
is recommended.

An unlimited number of small wireless temperature sensors
can be placed anywhere within a facility or plant, and each
sensor transmits the temperature data every 15 minutes to a
receiver connected to the PC. The sensors can communicate even
from inside an equipment, such as a refrigerator, with the
door tightly shut. With the use of signal repeaters, there is
virtually no limit to the distance of communication from the
sensors so that the system can monitor a facility of any size.
Click here to view our
extensive FAQ page on Global Sensors CheckPoint systems.
Global Sensors CheckPoint
Probes
All probes are NIST traceable and serialized, and many
different types of temperature probes are available for a wide
variety of applications and equipment types:
- Rugged waterproof probes for wash-downs and harsh
environments
- Stainless steel piercing probes for internal product
temperature
- Cook-Chill product temperature tracking probes
- Blast Freezer probes
- Process water temperature probes
- Storage trailer probes
- Oven probes
- Dishwasher final rinse temperature probe
- Ultra Low temperature probes for –80 °C Freezers
- High accuracy probes for laboratory applications
- Snap-calibration probes for easy re-calibration
certification
- Air-pressurized freezers probes
- Water bath probes
- Incubator probes
- Glycol solution temperature probe
Almost any type of probe can be adapted for remote
monitoring with central alarming and data-basing of the
information.
Global Sensors CheckPoint Software
The heart of this system is a highly adaptable software
that can be configured to give you the data handling you need
for your specific operation.
Screen Views:

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Global Sensors CheckPoint Software provides key
features that set it apart from other monitoring systems:
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- Alert suppression by time and day
- Alert email can be sent to multiple recipients by
equipment name
- Automatic data back up
- Alert escalation
- Automatic alert if an equipment is not turned off
after a specified number of hours, regardless of start
time.
- Automatic daily, weekly or monthly report printing
- Complete record keeping of all corrective action and
user comments for all temperature alerts
- Scheduled preventive maintenance and task reminder
alerts
- Integrated HACCP corrective action notification
- Signature verification for tracing of data
authenticity
- Time-based graphing
- User-friendly interface - one or two hours of
on-line training for a working knowledge of the entire
system
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