Heinrichs Messtechnik GmbH
Page 16 of 28
Operating Manual K09
9
Electrical connection for limit switch (option)
with cable length of 2 m
Wiring diagram for limit switch
10
Indicator unit
Direct indication of the position of the float in the measuring tube via magnetic transmission
The limit switch (ring form) can be adjusted up and
down the measuring tube. It is fixed via two screws (1)
at the back wall of the instrument.
Adjusting of the contact:
-release the fixing screws (1)
-move contact (2) up or down
-secure the fixing screws (1)
ATTENTION: (limited switching range)
Measuring ranges 87, 78 and all ranges with glass
float cannot be equipped with contact. For the
measuring tubes N° 77 and 86 the contact cannot be
moved to the max. flow range.
Auxillary power
Inductive contact Type: RC 10/15-14 NO/N3
PTB 99 ATEX 2128 X
II 2G Ex ia IIC T6 Gb
Hazardous area
Inductive contact Type: N7R**A
BVS 08 ATEX E026, IECEx BVS 09.0016,
II 1G Ex ia IIC T6 Ga II 1D Ex ia IIIC T85°C Da
2
(2) Contact on
measuring tube
