WB/PB 43 Eddy-Current and Powder Dynamometers0 pages

M AGTROL

WB/PB 43
Data Sheet

WB/PB 43 Series Eddy-Current
and Powder Dynamometers
Features
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4 Models with Maximum Torque from 1.5 N·m to 10
N·m (1.1 lb·ft to 7.3 lb·ft)
Braking Power: 0.5 kW to 3 kW
Stable Braking Torque, without Shock
Low Moment of Inertia
Low Residual Torque
Operation in Either Rotational Direction
Braking Torque Measurement Included
High Rotational Speed
Rated Torque Available From Zero Speed (Powder
Dynamometers)
Integrated Optical Speed Sensor

Description

Model 2 WB 43
Eddy-Current Dynamometer

Motor Testing SYSTEMS

Eddy-Current Brake Dynamometers (WB series) are ideal for
Magtrol’s M-TEST 7 Software is a state-of-the-art motor
applications requiring high speeds and also when operating in
testing program for Windows®-based data acquisition. Used
the middle to high power range. Eddy-Current Brakes provide
with a Magtrol DSP7000 Programmable Dynamometer
increasing torque as the speed increases, reaching peak torque
Controller, Magtrol M-TEST 7 Software provides the control
at rated speed. The dynamometers have low inertia as a result
of any Magtrol Eddy-Current or Powder Brake Dynamometer
of small rotor diameter. Brake cooling is provided by a water
and runs test sequences in a manner best suited to the overall
circulation system, which passes inside
accuracy and efficiency of the Magtrol
the stator to dissipate heat generated by Magtrol offers three types of dynamometer Motor Test System. The data that is
the braking power. The water cooling brakes to absorb load: Hysteresis, Eddy- generated by Magtrol’s Motor Testing
in the WB provides high continuous Current and Magnetic Powder. Each type Software can be stored, displayed and
of Dynamometer has advantages and
power ratings (max. 3 kW).
printed in tabular or graphic formats,
limitations and choosing the correct one will
and can be easily imported into a
Powder Brake Dynamometers (PB depend largely on the type of testing to be spreadsheet.
series) are ideal for applications operating performed. With over 50 models to choose
in the low to middle speed range or from, Magtrol Sales professionals are readily Written in LabVIEW™, M-TEST 7 has
when operating in the middle to high available to assist in selecting the proper the flexibility to test a majority of motor
torque range. Powder Brakes provide Dynamometer to meet your testing needs.
types in a variety of ways. Because of
full torque at zero speed and are waterLabVIEW’s versatility, obtaining data
cooled, allowing for power ratings up to 1 kW. Both WB and
from other sources (e.g. thermocouples), controlling motor
PB Dynamometers have accuracy ratings of ±0.3% to ±0.5% full
power and providing audio/visual indicators is relatively easy.
scale, depending on size and system configuration.
Magtrol’s M-TEST 7 Software is ideal for simulating loads,
cycling the unit under test and motor ramping. Because it is
Applications
easy to gather data and duplicate tests, the software is ideal
for use in engineering labs. Tests can be programmed to run
Mounted on test benches, WB/PB 43 Series Dynamometers
on their own and saved for future use allowing for valuable
allow performance and reliability testing on driving elements
time savings in production testing and incoming/outgoing
such as electric motors, combustion engines, hand-held drills,
inspection.
windshield wiper motors, servomotors, fans, geared motors,
reduction gears, pneumatic equipment, hydraulic transmission
systems and motors for domestic appliances.
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