Alarm System was developed by Thermalarm Products, Inc.
to provide an inexpensive alarm system capable of detecting
and alerting to the most critical environmental conditions
of any greenhouse, animal confinement, or farming operation.
This system is best suited for small commercial or hobby
operations where it is practical to run wires from the
room or building where temperature conditions are to
be monitored to the area in which the control unit is
will instantly sound a steady tone from an electronic
buzzer located on the control unit when a temperature
problem is detected by the user-adjustable Thermalarm.
The tone is similar to that of a battery operated home
smoke detector. In the even of a power failure, this
system will produce an interrupted tone (approximately
4 seconds on, 4 seconds off), and automatically switch
over to battery operation to continue monitoring the
temperature conditions. If power failure is not an immediate
concern, the power failure tone may be turned off using
a switch on the control unit . The switch will not affect
the temperature monitoring alarm circuit.
comes complete, ready for installation using connecting
wire supplied by the installer, or readily available
at hardware store.
unit, with power supply and battery charging system,
12V battery, indicator lights showing presence of
AC power and low battery or fuse condition, electronic
tone buzzer, and an on-off switch for the power failure
12 volt AC transformer/power supply
III alarm thermometer (a Thermalarm
II is also available on special order.)
may be used with this system to detect intrusion, heater
failure, water & air flow, or just about any sensor
providing a dry contact closure. This system can be
configured for use with normally-closed sensors.
connections and relay contacts (both normally-open and
normally-closed types, rated at 24V, 2V) are provided
so that a variety of accessories and other systems may
be operated with the Protect-It System.
System has been used in a variety of applications using
such accessories as exterior mounted electronic sirens,
wireless sensor links, telephone dialing systems, paging
systems, and many more.