Knick 830 R, Manual

Page: 81 / 216

E-81
English
3 Description
3.1 Intended Use
The devices serve as indicating measuring
instruments in 0 (4) ... 20 mA current loops.
The auxiliary power is taken from the cur-
rent loop. Two switching outputs which
work as min and max switches are option-
ally provided (types S1, S2).
The devices are approved for operation
in hazardous locations. The devices are
installed in Zone 1 or 2, the measuring
loop may be connected into Zone 0.
Type S1/S2
The indicator is intended for installation
in a control panel or a device. It provides
IP 65 protection (front, front to control
panel) and IP 20 protection (rear side).
Type R The device comes in a robust top mount
housing with IP 65 protection. It is suitable
for outdoor use.