
1
www.phywe.com, © All rights reserved
12925-00 / 2621
Operating
instructions
Cobra SMARTsense Current ± 10 A
12925-00
PHYWE Systeme GmbH & Co. KG
Robert-Bosch-Breite 10
D
–37079 Göttingen
Telefon
+49 (0) 551 604–0
Fax
+49 (0) 551 604–107
Internet
www.phywe.com
The unit complies
with the applicable
EC-guidelines
Fig. 1: 12925-00 Cobra SMARTsense Current ± 10 A
TABLE OF CONTENTS
FUNCTIONAL AND OPERATING ELEMENTS
1 SAFETY PRECAUTIONS
Carefully read these operating instructions completely
before operating this instrument. This is necessary to
avoid damage to it, as well as for user-safety.
Only use the instrument for the purpose for which it was
designed.
Only use the instrument in dry rooms in which there is no
risk of explosion.
Protect the instrument from dust, moisture and vapours.
Use a slightly moist lint-free cloth to clean the instrument.
Do not use aggressive cleaning agents or solvents.
Take care that no liquid penetrates in through the hous-
ing openings, as such penetration would result in dam-
age to Sensor.
Do not open the unit.
Do not use the device in electrical circuits where voltage
> 25 VAC or > 60 VDC may occur.
The sensor is protected by way of a self-resetting fuse (a
semiconductor element which, in the event of a high cur-
rent load, becomes highly resistive, thereby reducing the
current flow. The electrical circuit, however, is not com-
pletely interrupted!). Avoid short-circuit current above
20 A. It may destroy the sensor.
2 PURPOSE AND CHARACTERISTICS
The sensor is used for measuring current values and for
transferring the values to a terminal device, e.g. a tablet
computer, smartphone, etc., via Bluetooth or USB.
Caution!