Magnaflux QB2-Plus Manuel utilisateur
155 Harlem Avenue,
Glenview, Illinois 60025 USA
+1 847-657-5300 Fax: +1 847-657-5388
www.magnaflux.com support@magnaflux.com Rev: 1.A.110218
Operating Manual
Quick Break Tester QB2-Plus
Part Numbers:
628989
1QB2-Plus Operating Manual
TABLE OF CONTENTS
Getting Started................................................2
Precautions. .....................................................2
Specifications ..................................................3
Operation..........................................................3
Maintenance ....................................................4
Troubleshooting .............................................5
Warranty ............................................................6
Support ..............................................................6
2
QB2-Plus Operating Manual
GETTING STARTED
The QB2-Plus is a test meter used to verify shot time and quick-break function of magnetic
particle equipment. Quick-break function applies to 3-phase FWDC equipment only.
PRECAUTIONS
Inspect QB2 PLUS meter and probe before each use. If damaged, it is strongly recommended
to replace the unit.
WARNING
Magnetic particle equipment produces a strong magnetic field.
WARNING
Persons with pacemakers or medical implants must stay at a safe
distance. Refer to magnetic particle equipment specifications.
CAUTION
Do not use in wet locations. Liquids inside the housing may
permanently damage the meter.
3QB2-Plus Operating Manual
SPECIFICATIONS
Shot Time
1-Phase Mode
3-Phase Mode
+/- 0.02 sec
0.40 – 5.00 sec
0.40 – 2.80 sec
Quick Break (3-Phase Mode only) 0 – 30 V +/- 0.2 V
Display Dot-matrix LCD
Operating Environment 32-104°F (0-40°C)
Sampling Time 1 second
Power Supply DC 9V Battery
Probe
Dimensions
Weight
Lead Length
1.5 in / 38 mm dia x 17 in / 43 cm
0.9 Lb / 0.4 kg
66 in / 168 cm
Meter
Dimensions
Weight
6.25 x 3.75 x 2.25 in / 16 x 9.5 x 5.7 cm
1.1 Lb / 0.5 kg
OPERATION
1. Connect the probe to the port on the front of the meter.
2. Press the ON/OFF button on the right. After a startup sequence the display will read:
PUSH RESET TO SELECT MODE
a. Press the center RESET button once for SHOT TIME mode. This mode will measure
the duration of the mag shot for all equipment and waveforms, including AC, HWDC,
FWDC, and 3-phase FWDC
b. Press the center RESET button twice for QUICK BREAK mode. This mode will
measure the Quick Break voltage for 3-phase FWDC equipment
c. Pressing the RESET button multiple times will toggle between SHOT TIME mode
and QUICK BREAK mode
3. After 3 seconds, the display will change to indicate the meter is ready to use
In SHOT TIME mode, the display will read: ST_READY
In QUICK BREAK mode, the display will read: QB_READY
4. Place the probe longitudinally in the magnetizing coil with the central sensor inside the
coil. For accurate results, the probe should be in the center of the coil.
5. Set magnetizing current to provide 15,000 amp-turns
For a 5-turn bench coil, set for 3,000 A
For a 3-turn cable wrap, set for 5,000 A
6. Initiate mag shot and observe results on the meter
a. SHOT TIME mode: Display will read x.xx SEC
b. QUICK BREAK mode: Display will read VAL=x.x
7. Press the center RESET button to clear the display for next reading.
4
QB2-Plus Operating Manual
8. Repeat test up to 5 times. Minimum acceptable Quick Break voltage depends on the
inner diameter of the magnetizing coil.
Coil Diameter (ID) Min QB Voltage
12 in / 30 cm 8.0 V
16 in / 41 cm 6.0 V
20 in / 51 cm 4.0 V
25 in / 64 cm 3.0 V
30 in / 76 cm 2.0 V
36 in / 91 cm 1.0 V
9. Press the ON/OFF button to turn the meter o
NOTE: To change between SHOT TIME and QUICK BREAK modes, turn the meter o and
back on to select the new mode.
MAINTENANCE
• Use mild soap and a damp cloth to clean the probe as needed
• Do not spray QB2-Plus or immerse any part in liquid
Battery Replacement
• Remove screws at the corners and lift meter out of housing
• Replace battery
• Slide meter back into housing and replace screws
5QB2-Plus Operating Manual
TROUBLESHOOTING
Problem Possible Cause Possible Solution
Meter does not
power up
Low Battery Replace 9V battery
Damaged or defective meter Contact Authorized Magnaflux Service
Center
Erratic readings Wrong mode selected Power unit o. Follow instructions in
Operation
Probe not positioned
correctly in coil
Place the probe longitudinally in the
magnetizing coil with central sensor
within the coil
Damaged or defective probe Contact Authorized Magnaflux Service
Center
Low Battery Replace 9V battery
6
QB2-Plus Operating Manual
WARRANTY
Refer to the Magnaflux Warranty Statement at www.magnaflux.com.
SUPPORT
If you have a question please contact Magnaflux at:
1-847-657-5300
support@magnaflux.com
www.magnaflux.com
You can also contact your local Distributor or Magnaflux Authorized Service Center directly;
contact information is available at www.magnaflux.com.
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