ELEC 400, Fall 2002
Mastascusa
Request for Proposal #2:
Power Monitor
Date Assigned: Monday, Sept 30, 2002
Proposal Due, Monday, Oct. 14, 2002
The Problem
Many electrical devices
are sensitive to power interupptions. The most obvious things that
come to mind are alarm clocks which might need to be reset after a power
outage. Besides time-keeping functions there are numerous devices
including, VCRs, computers, etc. that are sensitive to power outages.
The RFP
This request for proposal
(RFP) is for a power monitor. The power monitor should do the following.
-
If the power has gone off and not come back on (the Power OFF condition),
the power monitor should sound an alarm. The alarm should be audible
within the room in which the monitor is located. The alarm for the
Power OFF condition should continue for 24 hours. Desirable options
include the following.
-
Audibility beyond the room location.
-
Visible alarm signal.
-
If the power has gone off and come back on, (the Power Back ON condition)
the power monitor should indicate that with an alarm. The same audibility
requirements as for the Power OFF condition should also pertain to the
Power Back ON condition.. In addion, the following requirement must
be met.
-
The alarm for Power Back ON should be clearly distinguishable from the
Power OFF alarm.
-
The power monitor may not require more than 4 AA batteries. Rechargeable
batteries are acceptable.
-
Smaller sizes are a desirable option.
-
Proposals will be judged on the following criteria.
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Cost - including cost of operation.
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A five year cost of purchase and operation must be provided in the proposal..
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Safety
-
Ease of maintenance and repairability