Instructions for Use SS 20.260
Page 14
Current interface T
M
C
mA
I
mA
C
T
wN
Out
M
20
)
4
(
16
140
,
Figure 7 Representation for medium temperature
Even short-term overshooting of the operating medium
temperature can cause irreversible damage of the sensor.
6 Startup
Prior to switching on the
SCHMIDT
®
flow sensor SS 20.260
, the follow-
ing checks have to be carried out:
Immersion depth of the sensor probe and alignment of the housing
Tightening of the fastening screw of the compression fitting
Correct electrical connection in the field (switch cabinet or similar)
Prior to startup the sensor check mounting and electrical
connection.
5 seconds after switch-on the sensor is ready for operation. If the sensor
has another temperature than the ambient, this time is prolonged until
the sensor has reached its ambient temperature.
If the sensor has been stored at very cold conditions, before commis-
sioning you have to wait until the sensor and its housing have reached
ambient temperature.
!
!