3
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12945-00 / 2821
Disconnect the charger at the latest four hours af-
ter the completion of the charging process. Other-
wise, the service life of the battery may be nega-
tively affected.
5.2 Start-up
Use without software / App
Switch on the sensor by pressing and holding the power but-
ton for more than 3s. The start screen is now displayed.
A measurement can be started ( ) or stopped ( ) by press-
ing the power button .
Press the arrow keys to access the selection of modes
or settings. The modes are also confirmed by pressing the
power button .
The following modes can be selected:
Mode 1
Speed
Dual Photogate
Mode 2 Counter
Dual Photogate / Laser
Mode 3
Acceleration
2x Dual Photogate
Mode 4
Distance
Grating
Mode 5
Shading time
Dual Photogate / Laser
Measured value recording
A measurement can be started ( ) or stopped ( ) by press-
ing the power button .
Use with software / App
Switch the sensor on by pressing the on-button for more than
3 seconds. The Bluetooth LED lights up red. Start the
measureApp application and select the sensor.
A 9-digit code is printed
on the back of the sensor
(Fig.6). The last 4 digits
of the code are displayed
as sensor designation in
the software (Fig.7). This
enables
an
exact
assignment
of
the
sensors
with
the
software.
Fig. 6
Fig. 7
Selection of the sensor via the Bluetooth interface
Make sure that the Bluetooth interface is activated on the
terminal device (PC/Tablet/Smartphone) and that the soft-
ware is allowed to access the interface.
After the sensor has been selected in the software, the LED
flashes green to indicate that the connection has been estab-
lished correctly. After the sensor has been coupled with the
software, the sensor is no longer visible to other users in the
software, and therefore can no longer be selected.
If the sensor is switched on and not connected, it switches off
automatically after 5 minutes.
Selection of the sensor via the USB interface
For this purpose the sensor must be plugged into the USB
port of the end device. It is not necessary to switch on the
sensor. The sensor is automatically recognized and dis-
played. It can be selected and connected directly.
6 TECHNICAL DATA
Operating temperature range: 5 - 40°C
Rel. humidity < 80%
Time:
Range
Resolution
Accuracy
Speed:
Range
Resolution
Acceleration:
Range
Resolution
0…∞ s
1 µs
± 10 µs
± 100 m/s
0,01 m/s
± 100 m/s
2
0,01 m/s
2
Max. date rate
Battery capacity
Max. wireless range (open field)
100 Hz
250 mAh
30 m
Dimensions (length x width x height)
130 x 105 x 26 mm
Weight
165 g
7 SCOPE OF DELIVERY
The scope of delivery 12945-00 includes:
Cobra SMARTsense Dual Photogate
12945-00
USB-connecting cable type C
RJ-45 connecting cable
2x Grating
Threaded rod (length 10cm)
Operating instructions
The scope of delivery 12945-01 includes:
2x knurled screw
2x mounting brackets for track mounting
Incremental Base socket (clamping socket)
Incremental wheel
Operating instructions
Measuring mode
Available light barriers
From left to right:
Device A gate 1, gate 2
Device B gate 1, gate
2
Laser receiver
Bluetooth connection
Measurement start/stop ( )
