1
INTRODUCTION
Sensor Harness Connector
DC Input
7.4-8.4V
Motor Stand
Rotary Dial
Hall Effect
Sensors Indicator
Throttle Level
LED Indicators
LCD Display
Motor Power
Wires Connector
Noise Sensor
Inside
P o l e o f M o t o r
1 4
P o l e o f M o t o r
1 4
P o l e o f M o t o r
0 2
P o l e o f M o t o r
0 2
2
FUNCTIONS
SPECIFICATION
MOTOR MAGNET POLES
In order to measure the RPM and KV value correctly, you need to select the magnet poles number
according to the motor you are testing. The default values of this motor analyzer for car motor are 2
poles.
For magnet poles other than 2, you need do the setting as follow:
3 . N o i s e L e v e l
4 . P o l e o f M o t o r
Turn Rotary Dial
and press
Press Rotary Dial again
number of pole will blinking
Turn Rotary Dial to select
number of pole
Press again to confirmRotary Dial
number of pole
3
CONNECTION DIAGRAM
RC Car Brushless Motor without Sensor
(1) Connect Motor Power Wires A, B, C to Motor Analyzer A, B, C
(2) Connect to Power Source (Reverse Polarity Will Damage This Unit)
(1) Connect Sensor Cable and Motor Power Wires A, B, C
(2) Connect to Power Source (Reverse Polarity Will Damage This Unit)
Brushless Motor with Sensor
CONNECTION PROCEDURES
Connect Motor Analyzer to 7.4V-8.4V power source, the screen will be light up and display will
show functions selection.
1 . K V R P M U I
2 . M o t o r T i m i n g
INSTRUCTION MANUAL
BRUSHLESS MOTOR ANALYZER
Thank you for purchasing the Motor Analyzer BMA-01. We are confident you will find it to be an
indispensable tools you use to make your hobby more funs and enjoyable.
Brushless motors are the most popular motor choice now in the RC Car and model aircraft industry.
With their superior power to weight ratios, a large range of sizes, from under 5 grams to large motors
rated at thousands of watts, they have revolutionized the market for electric-powered model field.
The motor analyzer is a precision electronic device that is especially designed for measuring the KV
value, RMP, current drawn, motor timing, vibration noise level and checking the function of hall effect
sensors of a brushless motor. It comes with a 2X16 characters LCD that is able to display real time
measuring value of either sensor or sensor-less brushless motor.
ILLUSTRATION
KV Measurement
RPM Measurement
Voltage Measurement
Ampere Measurement
Motor Timing Checking
1) Average Timing 2) Phase A, B, C Timing
Noise Level
Hall Effect Sensor Test
Input Voltage 7.4-8.4V (Suggested to Use 2S LiPo Battery)
LCD Display Screen: Blue Backlight Background, White Text, 16 Characters X 2 Lines
KV Value Accuracy: +/- 3%
Motor Timing Accuracy: +/- 4%
Motor Timing Range: 0-70°
Noise Level Measurement Range : 60dB - 120dB
Dimension: 136.5mm x 80.6mm x 24.5mm
Net Weight: 282gram (Without Cabel)
Supported Motor: Sensor or Sensor-less Brushless Motor (2 Poles to 36 Poles)
Current Drawn Less Than 30A at 8.4V Without Loading
SK-500020
A B
C
LiPo 2 Cells
Battery
Motor
B
C
A
MOTOR ANALYZER
K V = 4 0 8 4 U = 8 . 2 V
R P M = 3 3 4 9 0 I = 3 . 1 A
THROTTLE LEVEL
SENSOR
ENTER
START/STOP
KV VOLT
RPM AMP
MOTOR TIMING
NOISE LEVEL
C B A
SENSOR TEST
A B
C
Motor
B
C
A
MOTOR ANALYZER
K V = 4 0 8 4 U = 8 . 2 V
R P M = 3 3 4 9 0 I = 3 . 1 A
THROTTLE LEVEL
SENSOR
ENTER
START/STOP
KV VOLT
RPM AMP
MOTOR TIMING
NOISE LEVEL
C B A
SENSOR TEST
LiPo 2 Cells
Battery
For sensor type motor, connect A, B, C wire cable from Motor Analyzer to motor A, B, C connector.
Please make sure the wires should be connected properly before starting operation.
Wire A: Blue Color
Wire B: Yellow Color
Wire C: Orange Color
Connect sensor harness cable.
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