Wavetrend Technologies Limited TGA-A ユーザーズマニュアル
USER MANUAL –Active RFID Tags
Document No.
Configuration No.
Wavetrend Technologies Ltd
Issue Date
Page
25042002
REV 2.3
User Manual
25
TH
APRIL 2012
14 OF 30
Summary: What can reduce a tag’s life span?
Transmission intervals
. Shorter standard and alert intervals = shorter life span.
Ambient temperatures. The power consumption of the electrical components inside the tag will
change very slightly with changes in temperature and the battery will be less efficient in generating
change very slightly with changes in temperature and the battery will be less efficient in generating
energy.
Colder temperatures = shorter life span.
Colder temperatures = shorter life span.
Regular temperature cycles. Where the tag is subjected to repeated and regular temperature cycles (hot /
cold / hot etc.) the battery life span will be reduced. The greater the extremes in hot and cold, the greater the
reduction of life span.
Regular temperature cycles = shorter life span.
cold / hot etc.) the battery life span will be reduced. The greater the extremes in hot and cold, the greater the
reduction of life span.
Regular temperature cycles = shorter life span.
The amount of movement, and therefore how often the Alert mode is initiated, will affect life span.
More movement = shorter life span.
More movement = shorter life span.
1.10.1 End of Life
The tag will continue to transmit its data signals at a constant strength until the battery is exhausted, at which
point the tag will cease transmitting. The battery loses less than 1% of its power for every year in storage.
The battery has a maximum specified shelf life of 8 years, in the case of where the tag is never activated.
point the tag will cease transmitting. The battery loses less than 1% of its power for every year in storage.
The battery has a maximum specified shelf life of 8 years, in the case of where the tag is never activated.
The tag’s Battery Age Counter value is transmitted with every signal , by monitoring the value of the age
counter, the recipient RFID software system can alert the user to the fact that the tag is nearing the end of its
counter, the recipient RFID software system can alert the user to the fact that the tag is nearing the end of its
functional life.
It should be noted that it is not possible for the user to replace the battery in any Wavetrend tags
1.10.2 Keeping Tags in Stock
It is recommended that tags be kept in stock for
less than two years after purchase from Wavetrend. The
oldest tags held in stock should always be sold on, used or activated first. Tags should not be activated if
they are to be held in stock. Activate tags only when needed for use. If tags are to be used on occasions,
deactivate them when they are in storage between uses to maximize their useful life.
they are to be held in stock. Activate tags only when needed for use. If tags are to be used on occasions,
deactivate them when they are in storage between uses to maximize their useful life.
1.11 Tag Accessories
1.11.1 Tag Attachment Kits
Most of the Tags can be attached to most types of assets using the Tag Attachment Kits supplied by
Wavetrend. The attachment kit consists of 10 very high bond (VHB), double-sided adhesive pads which are
cut to match the size of the tag.
Wavetrend. The attachment kit consists of 10 very high bond (VHB), double-sided adhesive pads which are
cut to match the size of the tag.
The VHB gel pads will take 24 hours to cure and reach maximum adhesion to both the tag and the asset.
Within this time period it will be easier to remove the tag if it needs repositioning or has been affixed to an
asset in error. If the tag & gel pad are removed from the asset soon after first being affixed to the asset, it is
not recommended to try reuse the gel pad as it will not adhere to the asset surface as well for the second
time. Replace the pad.
Within this time period it will be easier to remove the tag if it needs repositioning or has been affixed to an
asset in error. If the tag & gel pad are removed from the asset soon after first being affixed to the asset, it is
not recommended to try reuse the gel pad as it will not adhere to the asset surface as well for the second
time. Replace the pad.
The VHB pads will not adhere to wet, greasy, dusty or rough surfaces (such as wood, concrete etc.)
1.11.2 Anti-Tamper Tag Attachment Kits
The kits of 10 VHB gel pads also include a small magnet that fits into the pre-punched hole in each gel pad.
This magnet provides the mechanism to arm the anti-tamper circuit in the tag. If any attempt is made to
remove the tag, the deformation and breakup of the gel pad caused by the attempt to remove the tag will
This magnet provides the mechanism to arm the anti-tamper circuit in the tag. If any attempt is made to
remove the tag, the deformation and breakup of the gel pad caused by the attempt to remove the tag will