4
Sound
Sound level 58
to 93 dB
Measuring
sound level
10/s
sound
level
Not required
Microphone
Sound wave
0 to 5 V
Measuring
sound waves
24,000/s
Not required
pH
0 to 14 pH
Measuring
pH level
10/s
pH electrode
Relative
humidity
0 to 100% RH
Measuring
relative
humidity
100/s
Not required
Universal
input
0 to 5 V
Connecting
Fourier or
Vernier
analog
sensors
24,000/s
Universal input
adapter cable
Voltage
-30 to +30 V
Measuring
electric
voltage
24,000/s
Banana cable
1.4 Using the Labdisc
CHARGE THE LABDISC BATTERY BEFORE STARTING
Before working with the
Labdisc
for the first time, the unit should be charged for
six hours with the supplied 6V charger. The
Labdisc
charging input is located to the left of
the
On/Off
key. Simply rotate the orange ring
until the charging input on the
Labdisc
is
exposed and then connect the charger plug to the charging input.
The
Labdisc
charger will accept any input voltage ranging from 100 to 240 VAC
50/60 Hz, making it functional worldwide.
Please note:
For optimal battery functionality a minimum re-charging rate of once
every 4 months is recommended.
Labdisc
charging
input