Now you can stop wondering what s going on with your electric model and get
answers that allow you to apply science to your hobby
measurements you collect will help you fine tune your model to get all the
.
performance that you paid for
,
With watt meter function
it is now easy to determine things like
·
Current through an ESC and motor
·
The temperature & peak temperatures of ESC, motor
·
'
Estimate battery s running time for car or airplane
·
ESC, BEC and motor efficiencies
·
Charge put into and discharge from a battery
·
Presence of peak currents that can damage components
·
Presence of voltage sags that cause components to operate out of specification
·
Why power is lost during acrobatics or extreme conditions
·
Effect of gearing and propeller size and shape on power consumption and
battery currents
Clever hobbyists will discover new applications to further improve electric model
performance.
Pressing
'SW'
button to show different parameter
SW
SW
SW
The following are some example Watt Meter connections. Many other arrangements
and uses are possible.
Testing Loads(e.g.motors)
Battery
Pack
'
.
The precise
:
Ap=Peak Amps
Vm=Min Volts(Sag)
Wp=Peak Watt
Wh=Watt hours
Cp=Peak Temp.
(Celsius)
Fp=Peak Temp.
(Fahrenheit)
SW
A=Ampere
V=Volt
W=Watt
mAh=Charge
C=Celsius
F=Fahrenheit
Speed
Motor
Controller
3
Battery on SOURCE side, Electronic Speed Controller (ESC) and motor on LOAD
side, with ESC on, the meter shows the current into the motor, voltage and power at the
battery and accumulates the charge (mAh) while the motor is running.
Battery Charging
Battery
Charger
With a battery charger on the SOURCE side and battery pack on the LOAD side, the
meter shows the charging current into the battery, the voltage and charging power at the
battery and accumulate the charge (mAh) into the battery.
Battery Discharging
Battery
Pack
When the battery is discharged, the meter indicates the total charge (Ah) the battery
delivered to the load as well as current, voltage and discharging power.。
Temperature Measuring
Battery
Pack
WARRANTY & SERVICE
We guarantee this product to be free of manufacturing and assembly defects for a
period of one year from the time of purchase. The warranty only applies to material
or operational defects, which are present at t he time of purchase. During that
period, we will repair or replace free of service charge for products deemed
defective due to those causes.
You will be required to produce proof of purchase (invoice or receipt). This
warranty is not valid for any damage or subsequent damage arising as a result
of misuse, modification or as a result of failure to observe the procedures outlined
in this manual.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
MADE IN CHINA
Battery
Discharge
Load
Temperature probe
(optional part)
Speed
Motor
Controller
www.skyrc.com
2011.06
4
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