User's Manual

19
Permalog 1 Deployment Instructions
Permalog units have no user serviceable parts. The enclosure protects the user from electrical shock
and other hazards. Servicing must be referred to competent personnel. If any unit does not appear to
function correctly then it must be returned to Palmer Environmental or an authorised Palmer
representative. Caution: Permalog units contain batteries. There is a danger of explosion if they are
incorrectly replaced. They must only be replaced with the same or equivalent type recommended by the
manufacturer. Used batteries must be disposed of according to the manufacturers instructions.
Redeployment
•
Ensure you have sufficient keepers for the magnets and pieces of card to put between the
keepers and the logger magnets. Removing keepers from logger magnets takes some effort.
Always insert a piece of thin card between the keeper and the magnet to make this job easier.
•
On retrieval, always grasp the main body of the logger. Do not pull loggers by the aerials.
•
Ensure the magnet from one logger is kept more than 3 inches (8cms) away from the window
of the nearest logger. If any magnet is held too close to the logger window, the logger will
continually reset causing an incorrect internal clock setting.
•
An option during transport is to magnetically attach the loggers to a large piece of metal. This
will act as a keeper and prevent the loggers from moving.
1. Ensure that both the screw thread on the
aerial and the screw hole on top of the Permalog are
clean.
3. Reset the Permalog by passing a magnet
close to, and across, the communications window.
(Fig 2). Look into the communications window to see
a faint red LED flash every 5 seconds. If the LED
does not flash, then pass the magnet across the
window again and look into the window to verify.
4. Attach the Permalog to a metal pipe fitting
using the magnet on the base. Always ensure that
the contact point is free from dirt so that the magnet
makes a good contact.
5. The Permalog must remain in an upright/
vertical position when installed. The aerial is flexible
and may be bent out of the way to refit a manhole
cover.
the aerial into the top of the Permalog
firmly by hand. Ensure that the rubber washer is
fitted to make a watertight seal (Fig 1).
Resetting the Permalog erases the internal memory.
Should the logger be moved from one location to
another, it must be reset to remove historical data.
This is the only way to reset the unit - it cannot be
switched off even if a magnet is passed over it many
times. Once reset, it will operate continuously for the
life of the batteries. The guaranteed battery life is 5
years. Any medium strength magnet will reset the
Permalog; for convenience, the magnet on another
Permalog may be used (Fig 2).
Do not attempt to remove the magnet from the
bottom of any Permalog - it is loctited on and should
not be removed.
Only aerials supplied by Palmer Environmental may
be used. Permalog units have no user serviceable
parts. If any unit does not appear to function
correctly then it must be returned to Palmer
Environmental or an authorised Palmer
representative.
2. Screw
Permalog is a permanently installed
leak noise monitoring unit.
It transmits a short 1mW radio
signal at 173MHz every 5 seconds.
AERIAL
RUBBER
WASHER
COMMUNICATIONS
WINDOW
MAGNET
FLASHING LED
Fig 1
Fig 2