Wireless Motion Sensor |
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The OMWT-MOT Wireless Motion
Transmitter is a battery operated
digital motion sensor with a
microprocessor controlled 418 MHz
FCC certified radio transmitter. This
transmitter is useful in applications
that need to sense when motion is
present or not. The OMWT-MOT
has an on board time of day clock
that allows it to spend most of the
time in a low power quiescent state.
At predetermined time intervals the
clock will wake up the onboard
microprocessor. Unique serial
number information and digital
vibration data is combined with a
CRC-16 error check and transmitted
in a very short data packet that
results in a transmitter on time of
only 15 milliseconds. This
architecture allows the OMWT-MOT
to consume very low energy
resulting in a battery life of up
to 2 years.
The electronics are coated with a
conformal rubber material that
provides a moisture barrier against
condensation. Submersion in water
is not recommended. An integral
pushbutton is used to activate the
service switch. The OMWT-MOT is
shipped with the transmitter turned
off (anytime the device is to be
shipped the transmitter should be
turned off or must be placed in a
shielded container to prevent
interference that might cause
shipping problems). Start the device
by momentarily pushing the service
switch (you will feel the button click).
When the service switch is pushed,
a data transmission occurs
immediately and a special mark is
introduced in the ID field of the
transmitted data packet to indicate
which device is in service or
installation. The service switch is
also used to put the device in a
quiescent mode (no transmissions
and very low power consumption).
This is the state the device is in
when you receive it. Push and hold
the service switch for 10 seconds or
more to enter this powered down
state.
Using the OMWT Series Windows
software incoming data being
received from OMWT Series
Wireless Transmitters can be
viewed in a real-time or historical
time-base chart or numerical view.
High/low alarms can also be set for
each transmitter signal with either a
visual or audible alarm indication on
the PC. Data can also be logged to
disk at a user-specified rate in a text
file format that can be opened up
into Microsoft Excel. The OMWT
Series Windows software also
includes a DDE Server that can
interface the data being received
from OMWT Series Wireless
Transmitters to other Windows
software packages.
Tranmission Distances Up to 20 Miles with Optional Repeater and Transceiver
The OMWT-REP-900 Wireless Repeater is a 418 MHz RF receiver with an integrated 900 MHz RF
transceiver. It receives data packets from all OMWT Series 418 MHz Wireless Transmitters within its range,
and then transmits the data via the built-in 900 MHz radio to an
OMWT-XREC-SER-900. Data received by the OMWT-XREC-SER-900 receiver with serial interface can be displayed and
logged using the OMWT-SOFT Windows Software.
* Indoors(with 1/2 wave antenna, conditions allowing) up to 1500ft
Outdoors(with Dipole antenna, conditions allowing) up to 7 mi
Outdoors(with Yagi antenna, conditions allowing) up to 20 mi
See the Related Links section below for links to the Repeater and Transceiver.
Specifications
Motion Range: not a calibrated
range
(transmits a value
of 0 to 100%)
Transmission Frequency:
418 MHz
Transmission Range:
up to 180 m (600')
Actual distance may be much less
depending on environmental conditions.
Transmission Rate:
30 to 37 seconds
Operating Temperature:
-40 to 85°C (-40 to 185°F)
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Storage Temperature:
-40 to 85°C (-40 to 185°F)
Humidity: 10 to 90%
RH non-condensing
Battery: 3.6V lithium
battery included
Battery Life with Transmissions:
2 years
Shelf Life with Battery Installed:
4 years in quiescent mode
FCC Certified: FCC ID: M5ZVM1
Dimensions:
38 H x 53 W x 15 mm D
(1.5 x 2.1 x 0.6")
Weight: 43 g (1.5 oz)
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† All dollar amounts on this site are shown in US currency.
Note: Each unit comes with complete operator’s manual.
Ordering Example: (1) OMWT-MOT Wireless motion transmitter, $145, plus (1) OMWT-REC232 Wireless receiver and 1.8 m (6') RS-232 cable with DB9F termination, $222, plus (1) OMWT-SOFT OMWT Series Windows software (WIN95/98/NT/2000/XP), $100, $145 + 222 + 100 = $467.00
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Related Links -
Related Products
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Related Products
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OMWT-SOFT:
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Windows Software for OMWT Series Wireless Transmitters
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OMWT-REP-900:
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Wireless Repeater for OMWT Series Wireless Transmitters
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OMWT-XREC-SER-900:
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Wireless Transceiver with RS-232 Interface for OMWT Series Transmitters/General Purpose Radio Modem
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