AquaTelemetry Instruction Manual
10401-01193 Rev H
2.2. Antenna Installation
Standard AquaTelemetry units have a strip antenna attached to the inside of the enclosure
(see photograph below. If your unit has this antenna fitted, please skip the next paragraph.
If your unit is set up for use with an external antenna, there will be an SMA type female
antenna socket fitted to the underside of the enclosure. Connect a suitable GSM antenna
and locate it in a position likely to receive a good network signal.
2.3. Real Time Clock Battery Installation
The AquaTelemetry unit requires two Alkaline 1.5V AAA batteries to supply power to the
real time clock. These batteries will last approximately five years and once fitted, should not
be removed unless being replaced with new.
If these batteries are removed, the time
and date will be lost and the real time clock must be reset using the PC utility.
2.4. D Cell Version Battery Installation
If you have specified the D Cell version of this equipment, the
main power for the system is supplied by either two pairs of
Primary Lithium-thionyl Chloride 3.6V D cells or two pairs of
Alkaline 1.5V D cells (international size reference: UM1/R20/D).
A selector switch allows the battery type to be chosen. The
photograph shows the switch set to the 1.5V (Alkaline battery)
position.
ENSURE THE CORRECT BATTERY TYPE IS SELECTED
BEFORE
INSERTING THE BATTERIES
2.4.1. Battery Life
Battery life varies greatly with battery type selected, logging rate, cellular signal strength,
temperature and the number of emails programmed to transmit.
With normal use (reasonable signal strength, 15 minute logging rate and email upload once
per 24 hours hours), a set of four Lithium-thionyl Chloride batteries should last around 9 -
12 months.
With normal use, one set of good quality Alkalline batteries (such as Duracell Ultra) should
last 4 – 6 months. The capacity of Alkaline batteries varies by up to 50% with temperature,
so expect a shorter battery life in the winter months.
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