KROHNE OPTITEMP TT 51 EN - Manual (Page 13)

INSTALLATION
3
13
TT 51 SERIES
www.krohne.com 09/2010 - 4000754201 - MA TT 51 R01 en
3.1 Notes on installation
3.2 In-head transmitter
These transmitters are intended for installation in DIN B connection heads or larger. The large
Ø7 mm / 0.28" center hole facilitates the electrical connection of the measurement sensor and
the installation. For detailed information refer to the chapter "Dimensions and weights".
INFORMATION!
Inspect the cartons carefully for damage or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Check the packing list to check if you received completely all that you ordered.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
Figure 3-1: Connection head installation kit
1 M4 screw
2 Spring
3 Lock washer
4 Pt100
5 Protective tube
DANGER!
The TT 51 C transmitter is optionally available in a non-incendive version (zone 2) and in an
intrinsically safe version (zone 0, 1 and 2) for installation in potentially explosive atmospheres.
The intrinsically safe version must be supplied by an intrinsically safe power supply unit or Zener
barrier placed outside of the potentially explosive zone.
The Ex transmitter must be installed in a housing with the protection rating IP20 or better
according to EN 60529 / IEC 60529.