
2 www.hydrofarm.com
In LOG mode, the meter will take the
average of sixty successive 30-second
measurements taken every 30 minutes and
store the average. A total of ninety-nine
30-minute averaged measurements can
be stored. Every 48 measurements at half
hour intervals (making a 24-hour period),
the meter will store a daily total. Ninety-
nine daily averages and totals can be
stored and are available for download only.
These measurements are not viewable
on the meter’s screen. All measurements
taken in LOG mode will connue to be
stored, deleng the oldest measurement.
The meter only stores the data when used
in the LOG mode. Any data store before
that will be overwrien.
DRIVER INSTALLATION GUIDES
In order to download or view saved data
from the meter to your computer, you
must install a driver. You can download the
QuantumParMeter at www.hydrofarm.com
and uncompress the QuantumParMeter
folder.
1. Before the installaon process, connect
the Quantum PAR Meter to your
computer by a USB cable, and wait unl
your computer detects a new device.
2. Open QuantumParMeter folder.
3. Double click Quantum Light Meter
Installaon.exe. If prompted, click “yes”
to allow the program to make changes
to the computer.
4. Once the Acve Eye Quantum Light
Meter opens, follow the instrucons to
install the drivers and required soware.
INSTRUCTION MANUAL
QUANTUM PAR METER:
GETTING STARTED
1. Remove your LGBQM from the case. It
may be necessary to charge the baery
prior to use. Plug the included USB cable
into your computer or a USB charging
staon to charge. The meter should
reach full charge in about an hour.
2. Press the POWER buon to turn on.
Note that the meter will turn itself o 2
minutes aer the last funcon, in order
to conserve power.
3. To record a PAR reading manually, press
HOLD while the meter is on and the
sensor is located in the desired posion.
You will see the number in the upper
right corner of the screen change to the
next open slot. The slots are numbered
from 0-99. You can take up to 100
sequenal readings before the memory
starts over at 0.
4. To review readings, simply press the up
or down arrows. The measurements
will be displayed along with the
memory posion. To return to real-me
measurements, press HOLD.
5. To choose LOG mode, simply press the
MODE buon. You will see LOG appear
under the PAR readout.
PARTS LIST:
1. LGBQM Quantum PAR Meter
2. Storage/Carrying case
3. USB data/charging cable
4. Instructions